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Law of the United States



 
 
The law of the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
 was originally largely derived from the common law
Common law

Common law refers to law and the corresponding Legal systems of the world developed through legal opinion of courts and similar tribunals , rather than through statute law or Executive ....
 system of English law
English law

English law is the Legal systems of the world of England and Wales, and is the basis of common law legal systems used in most Commonwealth of Nations countriesand the United States ....
, which was in force at the time of the Revolutionary War
American Revolutionary War

The American Revolutionary War , also known as the American War of Independence, began as a war between the Kingdom of Great Britain and Thirteen Colonies on the North America, and ended in a global war between several European great powers....
.






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Constitution Pg1of4 Ac
Unitedstatesreports
The law of the United States
United States

The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
 was originally largely derived from the common law
Common law

Common law refers to law and the corresponding Legal systems of the world developed through legal opinion of courts and similar tribunals , rather than through statute law or Executive ....
 system of English law
English law

English law is the Legal systems of the world of England and Wales, and is the basis of common law legal systems used in most Commonwealth of Nations countriesand the United States ....
, which was in force at the time of the Revolutionary War
American Revolutionary War

The American Revolutionary War , also known as the American War of Independence, began as a war between the Kingdom of Great Britain and Thirteen Colonies on the North America, and ended in a global war between several European great powers....
. However, the supreme law of the land is the United States Constitution
United States Constitution

The Constitution of the United States of America is the supreme law of the United States. It is the foundation and source of the legal authority underlying the existence of the United States of America; the Federal Government of the United States; and all the State & local governments and Territorial Administrative bodies contained therein....
 and, under the Constitution's Supremacy Clause
Supremacy Clause

The Supremacy Clause is a clause in the United States Constitution, article VI, paragraph 2. The clause establishes the Constitution, Federal Statutes, and U.S....
, laws enacted by Congress and treaties
Treaty

A Treaty is an agreement under international law entered into by actors in international law, namely states and international organizations. A Treaty may also be known as: agreement, protocol, covenant, convention, exchange of letters, etc....
 to which the U.S. is a party. These form the basis for federal law
Federal law

Federal law is the body of law created by the federal government of a country. A federal government is formed when a group of political units, such as state or provinces join together in a federation, surrendering their individual sovereignty and many powers to the central government while retaining or reserving other limited powers....
s under the federal constitution
Federation

A federation is a Political union comprising a number of partially self-governing states or regions united by a central government. In a federation, the self-governing status of the state is typically constitutionally entrenched and may not be altered by a Unilateralism decision of the central government....
 in the United States, circumscribing the boundaries of the jurisdiction of federal law and the laws in the fifty U.S. state
U.S. state

A U.S. state is any one of the 50 state of the United States that share sovereignty with the federal government of the United States . Because of this shared sovereignty, an United States is a citizen both of the federal entity and of his or her state of Domicile ....
s and in the territories.

General overview


Sources of law

In the United States, the law is derived from four sources. These four sources are constitutional law
United States constitutional law

United States Constitutional law is the body of law governing the interpretation and implementation of the United States Constitution....
, statutory law
Statutory law

Statutory law or statute law is written law set down by a legislature or other governing authority such as the executive branch of government in response to a perceived need to clarify the functioning of government, improve civil order, to codification existing law, or for an individual or company to obtain special treatment....
, administrative regulations, and the common law (which includes case law
Case law

Case law is the general term for the principles and rules of law set forth in judge legal opinion from courts of law. Case law incorporates courts' decisions from individual legal case and encompasses courts' interpretations of statutes, constitution provisions, administrative law regulations and, in some cases, law originating solely f...
). The most important source of law is the United States Constitution
United States Constitution

The Constitution of the United States of America is the supreme law of the United States. It is the foundation and source of the legal authority underlying the existence of the United States of America; the Federal Government of the United States; and all the State & local governments and Territorial Administrative bodies contained therein....
. All other law falls under, and is subordinate to, that document. No law may contradict the Constitution. For example, if Congress enacts a statute that conflicts with the Constitution, the Supreme Court
Supreme Court of the United States

The Supreme Court of the United States is the highest judicial body in the United States, and leads the federal United States federal courts. It consists of the Chief Justice of the United States and eight Associate Justice of the Supreme Court of the United States, who are nominated by the President of the United States and confirmed with th...
 may find that law unconstitutional, and declare it invalid.

Notably, a statute does not disappear automatically merely because it has been found unconstitutional; it must be deleted by a subsequent statute. Many federal and state statutes have remained on the books for decades after they were ruled to be unconstitutional. However, under the principle of stare decisis
Stare decisis

Stare decisis is the legal principle under which judges are obligated to follow the precedents established in prior decisions.In the United States, which uses a common law system in its federal courts and most of its state courts, the United States Court of Appeals for the Ninth Circuit has stated:...
, no sensible lower court will enforce an unconstitutional statute, and any court that does so will be reversed by the Supreme Court. Conversely, any court that refuses to enforce a constitutional statute (where such constitutionality has been expressly established in prior cases) will risk reversal by the Supreme Court.

American common law

The United States and most Commonwealth
Commonwealth of Nations

The Commonwealth of Nations, also known as the Commonwealth or the British Commonwealth, is an intergovernmental organization of fifty-three independent member states....
 countries are heirs to the common law
Common law

Common law refers to law and the corresponding Legal systems of the world developed through legal opinion of courts and similar tribunals , rather than through statute law or Executive ....
 legal tradition of English law
English law

English law is the Legal systems of the world of England and Wales, and is the basis of common law legal systems used in most Commonwealth of Nations countriesand the United States ....
; for example, U.S. courts have inherited the principle of stare decisis
Stare decisis

Stare decisis is the legal principle under which judges are obligated to follow the precedents established in prior decisions.In the United States, which uses a common law system in its federal courts and most of its state courts, the United States Court of Appeals for the Ninth Circuit has stated:...
. Certain practices traditionally allowed under English common law were expressly outlawed by the Constitution, such as bills of attainder
Bill of attainder

A bill of attainder is an act of legislature declaring a person or group of persons guilty of some crime and punishing them without benefit of a trial....
 and general search warrants.

English law was formally "received" into the United States in several ways. First, all U.S. states except Louisiana have enacted "reception" statutes which generally state that the common law of England (particularly judge-made law) is the law of the state to the extent that it is not repugnant to domestic law or indigenous conditions. Some reception statutes impose a specific cutoff date for reception, such as the date of a colony's founding, while others are deliberately vague. Thus, contemporary U.S. courts often cite pre-Revolution cases when discussing the evolution of an ancient judge-made common law principle into its modern form, such as the heightened duty of care traditionally imposed upon common carrier
Common carrier

A common carrier is a business that transports people, goods, or services and offers its services to the general public under license or authority provided by a regulatory body....
s.

Second, a small number of important British statutes in effect at the time of the Revolution have been independently reenacted by U.S. states. Two examples that many lawyers will recognize are the Statute of Frauds
Statute of frauds

The statute of frauds refers to the requirement that certain kinds of contracts be made in writing and signed.Traditionally, the statute of frauds requires a writing signed by the defendant in the following circumstances:...
 (still widely known in the U.S. by that name) and the Statute of 13 Elizabeth (the ancestor of the Uniform Fraudulent Transfers Act). Such English statutes are still regularly cited in contemporary American cases interpreting their modern American descendants.

However, it is important to understand that despite the presence of reception statutes, much of contemporary American common law has diverged significantly from British Commonwealth common law. The reason is that although the courts of the various Commonwealth nations are often influenced by each other's rulings, American courts rarely follow post-Revolution Commonwealth rulings unless there is no American ruling on point, the facts and law at issue are nearly identical, and the reasoning is strongly persuasive.

Early on, American courts, even after the Revolution, often did cite contemporary English cases. This was because appellate decisions from many American courts were not regularly reported until the mid-19th century; lawyers and judges, as creatures of habit, used English legal materials to fill the gap. But citations to English decisions gradually disappeared during the 19th century as American courts developed their own principles to resolve the legal problems of the American people. The number of published volumes of American reports soared from eighteen in 1810 to over 8,000 by 1910. Today, in the words of Stanford law professor Lawrence Friedman: "American cases rarely cite foreign materials. Courts occasionally cite a British classic or two, a famous old case, or a nod to Blackstone
William Blackstone

Sir William Blackstone was an England jurist and professor who produced the historical and analytic treatise on the common law called Commentaries on the Laws of England, first published in four volumes over 1765–1769....
; but current British law almost never gets any mention." Foreign law has never been cited as binding precedent, but merely as a reflection of the shared values of Anglo-American civilization or even Western civilization in general.

Federal law

Federal law originates with the Constitution, which gives Congress the power to enact statute
Statute

A statute is a formal written enactment of a legislative authority that governs a country, state, city, or county. Typically, statutes command or prohibit something, or declare policy....
s for certain limited purposes like regulating interstate commerce. Nearly all statutes have been codified in the United States Code
United States Code

The United States Code is a compilation and codification of the general and permanent federal law of the United States. ...
. Many statutes give executive branch agencies the power to create regulation
Regulation

Regulation refers to "controlling human or societal behaviour by rules or restrictions." Regulation can take many forms: law restrictions promulgated by a government authority, self-regulation, social regulation , co-regulation and market regulation....
s, which are published in the Federal Register
Federal Register

The Federal Register , abbreviated FR, or sometimes Fed. Reg.) is the official journal of the United States Government that contains most routine publications and public notices of government agencies....
 and codified into the Code of Federal Regulations
Code of Federal Regulations

File:Codeoffederalregulations.jpgThe Code of Federal Regulations is the codification of the general and permanent rules and regulations published in the Federal Register by the executive departments and agencies of the Federal Government of the United States....
. Regulations generally also carry the force of law under the Chevron doctrine
Chevron U.S.A., Inc. v. Natural Resources Defense Council, Inc.

Chevron U.S.A., Inc. v. Natural Resources Defense Council, Inc., Case citation , was a case in which the Supreme Court of the United States set forth the legal analysis for determining whether to grant deference to a government agencies interpretation of its own statutory mandate....
. Many lawsuits turn on the meaning of a federal statute or regulation, and judicial interpretations of such meaning carry legal force under the principle of stare decisis
Stare decisis

Stare decisis is the legal principle under which judges are obligated to follow the precedents established in prior decisions.In the United States, which uses a common law system in its federal courts and most of its state courts, the United States Court of Appeals for the Ninth Circuit has stated:...
.

In the beginning, federal law traditionally focused on areas where there was an express grant of power to the federal government in the federal Constitution, like the military, money
United States dollar

The United States dollar is the unit of currency of the United States and was defined by the Coinage Act of 1792 to be between 371 and 416 grains of silver ....
, foreign affairs
Foreign Affairs

Foreign Affairs is an United States journal on international relations published by the Council on Foreign Relations six times annually. The CFR is a private-sector group established in New York City in 1921, with the mission of promoting understanding of foreign policy and America?s role in the world....
 (especially international treaties
Treaty

A Treaty is an agreement under international law entered into by actors in international law, namely states and international organizations. A Treaty may also be known as: agreement, protocol, covenant, convention, exchange of letters, etc....
), tariff
Tariff

A tariff is a tax imposed on goods when they are moved across a political boundary. They are usually associated with protectionism, the economic policy of restraining trade between nations....
s, intellectual property
Intellectual property

Intellectual property are law property over creations of the mind, both artistic and commercial, and the corresponding fields of law. Under intellectual property law, owners are granted certain exclusive rights to a variety of intangible assets, such as musical, literary, and artistic works; ideas, discoveries and inventions; and words, phra...
 (specifically patent
Patent

A patent is a set of exclusive rights granted by a state to an inventor or his assignee for a term of patent in exchange for a disclosure of an invention....
s and copyright
Copyright

Copyright is a form of intellectual property which gives the creator of an original work exclusive rights for a certain time period in relation to that work, including its publication, distribution and adaptation; after which time the work is said to enter the public domain....
s), and mail
United States Postal Service

The United States Postal Service is an Independent agencies of the United States government responsible for providing postal service in the United States....
. Since the start of the 20th century, aggressive interpretations of the Commerce and Spending Clauses of the Constitution have enabled federal law to expand into areas like aviation
Aviation

File:Norwegian military Bell 412SP helicopters.jpgAviation refers to activities involving man-made flying devices , including the people, organizations, and regulatory bodies involved with them....
, telecommunications, railroads, pharmaceuticals, antitrust
Antitrust

United States antitrust law is the body of laws that prohibits anti-competitive behavior and unfair business practices. Antitrust laws are designed to encourage competition in the marketplace....
, and trademark
TradeMark

TradeMark is a tall, primarily residential, skyscraper in Charlotte, North Carolina. It was completed in 2007 and has 28 floors. There are 200 hundred residential units....
s. In some areas, like aviation and railroads, the federal government has developed a comprehensive scheme that preempts virtually all state law, while in others, like family law, a relatively small number of federal statutes (generally covering interstate and international situations) interacts with a much larger body of state law. In areas like antitrust
Antitrust

United States antitrust law is the body of laws that prohibits anti-competitive behavior and unfair business practices. Antitrust laws are designed to encourage competition in the marketplace....
 and trademark
TradeMark

TradeMark is a tall, primarily residential, skyscraper in Charlotte, North Carolina. It was completed in 2007 and has 28 floors. There are 200 hundred residential units....
, there are powerful laws at both the federal and state levels that coexist with each other. In a handful of areas like insurance
Insurance

Insurance, in law and economics, is a form of risk management primarily used to Hedge against the risk of a contingent loss. Insurance is defined as the equitable transfer of the risk of a loss, from one entity to another, in exchange for a premium, and can be thought of as a guaranteed small loss to prevent a large, possibly devastating los...
, Congress has enacted laws expressly refusing to regulate them as long as the states have laws regulating them (see, e.g., the McCarran-Ferguson Act
McCarran-Ferguson Act

The 'McCarran-Ferguson Act', 15 United States Code 1011, is a United States federal law. The McCarran-Ferguson Act was passed by Congress in 1945 after the Supreme Court ruled in U.S....
).

Under the doctrine of Erie Railroad Co. v. Tompkins
Erie Railroad Co. v. Tompkins

Erie Railroad Co. v. Tompkins, case citation , was a decision by the Supreme Court of the United States in which the Court held that United States federal courts did not have the power to make up general federal common law when hearing state law claims under diversity jurisdiction....
 (1938), there is no general federal common law. Although federal courts can create federal common law in the form of case law, such law must be linked one way or another to the interpretation of a particular federal constitutional provision, statute, or regulation (which in turn was enacted as part of the Constitution or after). Federal courts lack the plenary power
Plenary power

A plenary power or plenary authority is the complete power of a governing body. The concept is also used in legal circles to define complete control in other circumstances, as in plenary authority over public funds, as opposed to limited authority over funds that are encumbered as collateral or by a legal claim....
 possessed by state courts to simply make up law, which the latter are able to do in the absence of constitutional or statutory provisions replacing the common law. Only in a few narrow limited areas like admiralty law has the Constitution expressly authorized the continuation of English common law at the federal level (meaning that in those areas federal courts can continue to make law as they see fit, subject to the limitations of stare decisis
Stare decisis

Stare decisis is the legal principle under which judges are obligated to follow the precedents established in prior decisions.In the United States, which uses a common law system in its federal courts and most of its state courts, the United States Court of Appeals for the Ninth Circuit has stated:...
).

State law

Californiapenalcode
The fifty American states are separate sovereigns
Sovereignty

File:Leviathan gr.jpgSovereignty is the exclusive right to control a government, a State, a people, or oneself. A sovereign is a supreme lawmaking authority....
 with their own state constitutions and state government
State government

A state government is the government of a subnational entity in states with federation form of government, which shares political power with the federal government or central government....
s. They retain plenary power
Plenary power

A plenary power or plenary authority is the complete power of a governing body. The concept is also used in legal circles to define complete control in other circumstances, as in plenary authority over public funds, as opposed to limited authority over funds that are encumbered as collateral or by a legal claim....
 to make laws covering anything not preempted by the federal Constitution, federal statutes, or international treaties ratified by the federal Senate.

The law of most of the states is based on the common law
Common law

Common law refers to law and the corresponding Legal systems of the world developed through legal opinion of courts and similar tribunals , rather than through statute law or Executive ....
 of England; the notable exception is Louisiana, whose law
Louisiana law

Law in the State of Louisiana is based in part on civil law . Louisiana is the only U.S. state partially based on Law of France and Law of Spain codes and ultimately Roman law, as opposed to English common law....
 is based upon the Napoleonic Code
Napoleonic code

The Napoleonic Code, or Code Napol?on is the France civil code, established under Napoleon I of France in 1804. It was drafted rapidly by a commission of four eminent jurists and entered into force on March 21, 1804....
. The passage of time has led to state courts and legislatures expanding, overruling, or modifying the common law; as a result, the laws of any given state invariably differ from the laws of its sister states.

Many American states have codified some or all of their statutory law into legal code
Legal code

A legal code is a body of law written by a governmental body, such as a U.S. state, a Canada Provinces and territories of Canada or Germany States of Germany or a municipality....
s. Codification was an idea borrowed from the civil law through the efforts of American lawyer David Dudley Field. New York
New York

The State of New York is a U.S. state in the Mid-Atlantic States and Northeastern United States regions of the United States and is the nation's List of U.S....
's codes are known as "Laws." California
California

California is a U.S. state on the West Coast of the United States of the United States, along the Pacific Ocean. It is bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and to the south the Mexico state of Baja California....
 and Texas
Texas

Texas is a U.S. state located in the South Central United States, nicknamed the Lone Star State. Texas is the second largest U.S. state in both area and population, spanning , and with a growing population of 24.3 million residents....
 simply call them "Codes." Other states use terms such as "Revised Statutes" or "Compiled Statutes" for their compilations. California, New York, and Texas have separate subject-specific codes, while all other states and the federal government use a single code divided into numbered titles.

In some states, codification is often treated as a mere restatement of the common law, to the extent that the subject matter of the particular statute at issue was covered by some judge-made principle at common law. Judges are free to liberally interpret the codes unless and until their interpretations are specifically overridden by the legislature. In other states, there is a tradition of strict adherence to the plain text of the codes.

The advantage of codification is that once the state legislature
State legislature

In the United States, a state legislature is a generic term referring to the Legislature body of any of the country's 50 U.S. state. The formal name varies from state to state....
 becomes accustomed to writing new laws as amendments to an existing code, the code will usually reflect democratic sentiment as to what the current law is (though the entire state of the law must always be ascertained by reviewing case law to determine how judges have interpreted a particular codified statute).

In contrast, in jurisdictions with uncodified statutes, like the United Kingdom
United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom , the UK or Britain,is a sovereign state located off the northwestern coast of continental Europe....
, determining what the law is can be a more difficult process. One has to trace back to the earliest relevant Act of Parliament, and then identify all later Acts which amended the earlier Act, or which directly overrode it. For example, when the UK decided to create a Supreme Court of the United Kingdom
Supreme Court of the United Kingdom

The Supreme Court of the United Kingdom was established in law by Part III of the Constitutional Reform Act 2005. The Lord Chancellor has announced that it will start work in October 2009 once its new premises are ready....
, lawmakers had to identify every single Act referring to the House of Lords
House of Lords

The House of Lords is the second house of the Parliament of the United Kingdom and is also commonly referred to as "the Lords". The Parliament comprises the British monarchy, the British House of Commons , and the Lords....
 that was still good law, and then amend all of those laws to refer to the Supreme Court.

Criminal law

Criminal law
Criminal law

The term criminal law, sometimes called penal law, refers to any of various bodies of rules in different jurisdictions whose common characteristic is the potential for unique and often severe impositions as punishment for failure to comply....
 involves the prosecution of wrongful acts by the state
State

A state is a political Social contract with effective sovereignty over a geographic area and representing a population. These may be nation states, State or multinational states....
 which are considered to be so serious that they are a breach of the sovereign's peace (and cannot be deterred or remedied by mere lawsuits between private parties). Generally, crime
Crime

Societies define Crime as the breach of one or more rules or laws for which some Government or force may ultimately prescribe a punishment.The word crime originates from the Latin crimen , from the Latin root cerno and Greek ????? = "I judge"....
s can result in incarceration
Incarceration

Incarceration is the detention of a person in jail or prison. People are most commonly incarcerated upon suspicion or conviction of committing a crime....
, but torts (see below) cannot. The vast majority of the crimes committed in the United States are prosecuted and punished at the state level. Federal criminal law focuses on areas specifically relevant to the federal government like evading payment of federal income tax, mail theft, or physical attacks on federal officials, as well as interstate crimes like drug trafficking and wire fraud.

All states have somewhat similar laws in regard to "higher crimes" (or felonies), such as murder
Murder

Murder as defined in common law countries, is the unlawful killing of another human being with intent , and generally this state of mind distinguishes murder from other forms of unlawful homicide....
 and rape
Rape

Rape, also referred to as sexual assault, is an assault by a person involving sexual intercourse with or sexual penetration of another person without that person's consent....
, although penalties for these crimes may vary from state to state. Capital punishment
Capital punishment in the United States

Capital punishment of a felon in the United States, in modern times, is employed rarely and, in practice, only in cases involving murder. The history of U.S....
 is permitted in some states but not others. Three strikes law
Three strikes law

Three strikes laws are statutes enacted by U.S. state governments in the United States which require the state courts to hand down a Mandatory sentencing and extended period of prison to persons who have been convicted of a serious criminal offense on three or more separate occasions....
s in certain states impose harsh penalties on repeat offenders.

Some states distinguish between two levels: felonies and misdemeanor
Misdemeanor

A misdemeanor, or misdemeanour, in many common law legal systems, is a "lesser" crime act. Misdemeanors are generally punishment much less severely than felony, but theoretically more so than administrative infractions ....
s (minor crimes). Generally, most felony convictions result in lengthy prison
Prison

A prison, penitentiary, or correctional facility is a place in which individuals are physically confined or internment and usually deprived of a range of personal Freedom ....
 sentences as well as subsequent probation
Probation

Probation is as sentence which may be imposed by a court in lieu of incarceration. A criminal who is "on probation" has been convicted of a crime but has served only part of the sentence in jail, or has not served time at all....
, large fines, and orders to pay restitution
Restitution

The law of restitution is the law of gains-based recovery. It is to be contrasted with the damages, which is the law of loss-based recovery. Obligations to make restitution and obligations to pay compensation are each a type of legal response to events in the real world....
 directly to victims; while misdemeanors may lead to a year or less in jail and a substantial fine. To simplify the prosecution of traffic violations and other relatively minor crimes, some states have added a third level, infraction
Infraction

Infraction as a general term means a violation of a rule or local ordinance or regulation, promise or obligation....
s. These may result in fines and sometimes the loss of one's driver's license, but no jail time.

For public welfare offenses where the state is punishing merely risky (as opposed to injurious) behavior, there is significant diversity across the various states. For example, punishments for drunk driving varied greatly prior to 1990. State laws dealing with drug crimes
Recreational drug use

Recreational drug use is the use of psychoactive drugs for recreational purposes rather than for employment, Medicine or Spirituality purposes, although the distinction is not always clear ....
 still vary widely, with some states treating possession of small amounts of drugs as a misdemeanor offense or as a medical issue and others categorizing the same offense as a serious felony.

Criminal procedure

The law of criminal procedure
Criminal procedure

'Criminal procedure' refers to the legal process for adjudication claims that someone has violated criminal law....
 in the United States consists of an massive overlay of federal constitutional case law interwoven with the federal and state statutes that actually provide the foundation for the creation and operation of law enforcement agencies and prison systems as well as the proceedings in criminal trials. Due to the perennial inability of legislatures in the U.S. to enact statutes that would actually force law enforcement officers to respect the constitutional rights of criminal suspects and convicts, the federal judiciary gradually developed the exclusionary rule
Exclusionary rule

The exclusionary rule is a legal principle in the United States, under United States constitutional law, which holds that Evidence collected or analyzed in violation of the Defendant constitutional rights is sometimes Admissible evidence for a criminal prosecution in a Court....
 as a method to enforce such rights. In turn, the exclusionary rule spawned a family of judge-made remedies for the abuse of law enforcement powers, of which the most famous is the Miranda warning
Miranda warning

In the United States, the Miranda warning is a warning given by police to criminal suspects in police custody, or in a custodial situation, before they are asked guilt-seeking questions relating to the commission of a crime....
. The writ of habeas corpus
Habeas corpus

For the Living Things CD, see Habeas Corpus Habeas corpus is a legal action, or writ, through which a person can seek justice from the unlawful detention of him or herself, or of another person....
 is often used by suspects and convicts to challenge their detention, while the Civil Rights Act of 1871
Civil Rights Act of 1871

The 'Civil Rights Act of 1871', also known as the 'Ku Klux Klan Act of 1871', is an important federal statute in force in the United States. Several of its provisions still exist today as codified statutes, but the most important still-existing provision is ....
 is used by suspects to recover tort damages for police brutality.

Civil procedure

The law of civil procedure
Civil procedure

Civil procedure is the body of law that sets out the rules and standards that courts follow when adjudication Civil law lawsuits . These rules govern how a lawsuit or Legal case may be commenced, what kind of service of process is required, the types of pleadings or statements of case, motion s or applications, and court orders allowed in c...
 governs process in all judicial proceedings involving lawsuits between private parties. Traditional common law pleading
Pleading

In law as practiced in countries that follow the English models, a pleading is a formal written statement filed with a court by parties in a civil action, such as a complaint, a demurrer, or an answer....
 was replaced by code pleading in most states by the turn of the 20th century, and was subsequently replaced again in most states by modern notice pleading. Most states have adopted rules of civil procedure closely modeled after the Federal Rules of Civil Procedure
Federal Rules of Civil Procedure

The Federal Rules of Civil Procedure are rules governing civil procedure in United States district courts, that is, court procedures for civil suits....
 (including rule numbers). New York and California are the notable exceptions, although certain key portions of their civil procedure laws have been modified by their legislatures to bring them closer to federal civil procedure.

American civil procedure has several notable features, including extensive pretrial discovery
Discovery (law)

In law, discovery is the pre-trial phase in a lawsuit in which each party through the law of civil procedure can request documents and other evidence from other parties or can compel the production of evidence by using a subpoena or through other discovery devices, such as requests for production of documents, and deposition s....
, heavy reliance on live testimony obtained at deposition
Deposition

Deposition or Depose may refer to:* Deposition , taking testimony outside of court* Deposition , molecules settling out of a solution* Thin-film deposition, any technique for depositing a thin film of material onto a substrate or onto previously deposited layers...
 or elicited in front of a jury
Jury

A jury is a sworn body of people convened to render a rationalism, impartiality verdict officially submitted to them by a court, or to set a sentence or judgment....
, and aggressive pretrial "law and motion" practice designed to result in a pretrial disposition (that is, summary judgment
Summary judgment

Summary judgment is a legal term which means that a court has made a determination without a full Trial . Such a judgment may be issued as to the merits of an entire case, or of specific issues in that case....
) or a settlement.

Contract law

Contract law covers obligations established by agreement (express or implied) between private parties. Generally, contract law in transactions involving the sale of goods has become highly standardized nationwide as a result of the widespread adoption of the Uniform Commercial Code
Uniform Commercial Code

File:Uniformcommercialcode.jpgFile:Uniformcommercialcodeconfidentialdrafts.jpgThe Uniform Commercial Code is one of a number of uniform acts that have been promulgated in conjunction with efforts to harmonize the law of sales and other commercial transactions in all 50 U.S....
. However, there is still significant diversity in the interpretation of other kinds of contracts, depending upon the extent to which a given state has codified its common law of contracts or adopted portions of the Restatement (Second) of Contracts
Restatement (Second) of Contracts

The Restatement of the Law of Contracts is one of the most well-recognized and frequently-cited legal treatises in all of United States jurisprudence....
.

Parties are permitted to agree to arbitrate
Arbitration

Arbitration, a form of alternative dispute resolution , is a law technique for the resolution of disputes outside the courts, wherein the parties to a dispute refer it to one or more persons , by whose decision they agree to be bound....
 disputes arising from their contracts. Under the Federal Arbitration Act
Federal Arbitration Act

In United States law, the Federal Arbitration Act is a statute that provides for judicial facilitation of private dispute resolution through arbitration....
 (which has been interpreted to cover all contracts arising under federal or state law), arbitration clauses are generally enforceable unless the party resisting arbitration can show unconscionability
Unconscionability

Unconscionability is a term used in contract law to describe a defense against the enforcement of a contract based on the presence of terms unfair to one party....
 or fraud
Fraud

In the broadest sense, a fraud is a deception made for personal gain or to damage another individual. The specific legal definition varies by legal jurisdiction....
 or something else which undermines the entire contract.

Tort law

Tort law
United States tort law

United States tort law consists of all the various tort laws of the states. Torts are generally divided into three categories: intentional tort, negligence, and strict liability torts....
 generally covers any civil action between private parties arising from wrongful acts which amount to a breach of general obligations imposed by law and not by contract.

Tort law covers the entire imaginable spectrum of wrongs which humans can inflict upon each other, and of course, partially overlaps with wrongs also punishable by criminal law. Although the American Law Institute
American Law Institute

The American Law Institute was established in 1923 to promote the clarification and simplification of American common law and its adaptation to changing social needs....
 has attempted to standardize tort law through the development of several versions of the Restatement of Torts, many states have chosen to adopt only certain sections of the Restatements and to reject others. Thus, because of its immense size and diversity, American tort law cannot be easily summarized.

For example, a few jurisdictions allow actions for negligent infliction of emotional distress
Negligent infliction of emotional distress

The tort of negligent infliction of emotional distress is a controversial law and is not accepted in many United States jurisdictions. The underlying concept is that one has a Duty of care to use reasonable care to avoid causing emotional stress to another individual....
 even in the absence of physical injury to the plaintiff, but most do not. For any particular tort, states differ on the causes of action, types and scope of remedies, statutes of limitations, and the amount of specificity with which one must plead the cause. With practically any aspect of tort law, there is a "majority rule" adhered to by most states, and one or more "minority rules."

Notably, the most broadly influential innovation of 20th century American tort law was the rule of strict liability
Strict liability

Strict liability makes a person responsible for the damage and loss caused by his/her acts and omissions regardless of culpability . Strict liability is important in torts , corporations law, and criminal law....
 for defective products
Product liability

Product liability is the area of law in which manufacturers, distributors, suppliers, retailers, and others who make products available to the public are held responsible for the injuries those products cause....
, which originated with judicial glosses on the law of warranty
Warranty

In commercial and consumer transactions, a warranty is an obligation or guarantee that an Article or Service sold is as factually stated or legally implied by the seller, and that often provides for a specific remedy such as repair or replacement in the event the article or service fails to meet the warranty....
. In 1963, Roger J. Traynor
Roger J. Traynor

Roger John Traynor served as the 23rd chief justice of the Supreme Court of California from 1964 to 1970, and as an Associate Justice from 1940 to 1964....
 of the Supreme Court of California
Supreme Court of California

The Supreme Court of California is the state supreme court of California. It is headquartered in San Francisco, California, and regularly holds sessions at its branch offices in Los Angeles, California and Sacramento, California....
 threw away legal fiction
Legal fiction

Legal fictions are fact or situations assumed or created by courts which are then used to resolve matters before them. Legal fictions are mostly encountered under common law systems....
s based on warranties and imposed strict liability for defective products as a matter of public policy
Public policy (law)

Public policy is the body of principles that underpin the operation of legal systems in each state . This addresses the social, moral and economic values that tie a society together: values that vary in different cultures and change over time....
 in the landmark case of Greenman v. Yuba Power Products. The American Law Institute subsequently adopted a slightly different version of the Greenman rule in Section 402A of the Restatement (Second) of Torts, which was published in 1965 and was very influential throughout the United States. Outside the U.S., the rule was adopted by the European Economic Community in the Product Liability Directive of July 1985, by Australia in July 1992, and by Japan in June 1994.

By the 1990s, the avalanche of American cases resulting from Greenman and Section 402A had become so complicated that another restatement was needed, which occurred with the 1997 publication of the Restatement (Third) of Torts: Product Liability.

Attempts at "uniform" laws

Efforts by various organizations to create "uniform" state laws have been only partially successful. The two leading organizations are the American Law Institute
American Law Institute

The American Law Institute was established in 1923 to promote the clarification and simplification of American common law and its adaptation to changing social needs....
 (ALI) and the National Conference of Commissioners on Uniform State Laws
National Conference of Commissioners on Uniform State Laws

The National Conference of Commissioners on Uniform State Laws is a non-profit, unincorporated association in the United States that consists of commissioners appointed by each U.S....
 (NCCUSL). The most successful and influential uniform laws are the Uniform Commercial Code
Uniform Commercial Code

File:Uniformcommercialcode.jpgFile:Uniformcommercialcodeconfidentialdrafts.jpgThe Uniform Commercial Code is one of a number of uniform acts that have been promulgated in conjunction with efforts to harmonize the law of sales and other commercial transactions in all 50 U.S....
 (a joint ALI-NCCUSL project) and the Model Penal Code
Model Penal Code

The Model Penal Code is a statutory text which was developed by the American Law Institute in 1962. The Chief Reporter on the project was Herbert Wechsler....
 (from ALI).

Apart from model codes, the American Law Institute
American Law Institute

The American Law Institute was established in 1923 to promote the clarification and simplification of American common law and its adaptation to changing social needs....
 has also created Restatements of the Law
Restatement of the Law

The Restatements of the Law are treatises on U.S. legal topics published by the American Law Institute, an organization of legal academics and practitioners, as scholarly refinements of black-letter law, to "address uncertainty in the law through a restatement of basic legal subjects that would tell judges and lawyers what the law was."...
 which are widely used by lawyers and judges to simplify the task of summarizing the current status of the common law. Instead of listing long, tedious citations of old cases that may not fit very well together (in order to invoke the long-established principles supposedly contained in those cases), or citing a treatise which may reflect the view of only one or two authors, they can simply cite a Restatement section (which is supposed to reflect the consensus of the American legal community) to refer to a particular common law principle.

Local law

States have delegated lawmaking powers to thousands of agencies
Government agency

A government agency is a permanent or semi-permanent organization in the machinery of government that is responsible for the oversight and administration of specific functions, such as an intelligence agency....
, township
Township

A township is a settlement which has the status and powers of a unit of local government. Specific use of the term to describe political subdivisions has varied by country....
s, counties
County

A county is a land area of Local government government within a larger state. A county may have city and towns within its area....
, cities
City

A city is an urban area with a high population density and a particular administrative, legal, or historical status.Large industrialized cities generally have advanced systems for sanitation, utilities, land usage, house, and transportation and more....
, and special districts. And all the state constitutions, statutes and regulations (as well as all the ordinances and regulations promulgated by local entities) are subject to judicial interpretation like their federal counterparts.

Thus, at any given time, the average American citizen is subject to the rules and regulations of several dozen different agencies at the federal, state, and local levels, depending upon one's current location and behavior.

Odd exceptions

As noted above, much of Louisiana law
Louisiana law

Law in the State of Louisiana is based in part on civil law . Louisiana is the only U.S. state partially based on Law of France and Law of Spain codes and ultimately Roman law, as opposed to English common law....
 is derived from the Napoleonic Code
Napoleonic code

The Napoleonic Code, or Code Napol?on is the France civil code, established under Napoleon I of France in 1804. It was drafted rapidly by a commission of four eminent jurists and entered into force on March 21, 1804....
; the adherence to French legal traditions stems from its time as a French colony
French colonization of the Americas

The French colonization of the Americas began in the 16th century, and continued in the following centuries as France established a French colonial empire in the Western Hemisphere....
. Puerto Rico
Puerto Rico

Puerto Rico , officially the Commonwealth of Puerto Rico , is a Autonomy Territories of the United States of the United States located in the northeastern Caribbean, east of the Dominican Republic and west of the Virgin Islands....
 is also a civil law
Civil law (legal system)

Civil law is a most prevalent legal system in the modern world and the oldest in human history. It is based on a code, or "a systematic collection of interrelated articles written in a terse, staccato style." The two other major legal systems in the world are common law and Islamic law....
 jurisdiction of the United States. However, the criminal law of both jurisdictions has been necessarily modified by common law influences and the supremacy of the federal Constitution.

Furthermore, Puerto Rico is also unique in that it is the only U.S. jurisdiction in which the everyday working language of court proceedings, statutes, regulations, and case law is Spanish
Spanish in the United States

The Spanish language is the second most-common Languages in the United States after English language. There are more Spanish speakers in the U.S. than there are speakers of French in the United States, Hawaiian language, and the Native American languages combined....
. All states, the federal government, and most territories use American English
American English

PhonologyIn many ways, compared to English language in England, North American English is conservative in its phonology. Some distinctive accents can be found on the East Coast of the United States , partly because these areas were in contact with England, and imitated prestigious varieties of English English at a time when those varieties we...
 as their working language. Some states, like California, do provide certain court forms in several languages for the convenience of immigrants and naturalized citizens. But American law as developed through statutes, regulations, and case law is always in English, attorneys are expected to take and pass the bar examination in English, judges hear oral argument and give orders from the bench in English, and testimony and documents originating in other languages is translated into English before being incorporated into the official record of a case.

Many states in the southwest that were originally Mexican territory have inherited several unique features from the civil law that governed when they were part of Mexico. These states include Arizona
Arizona

The State of Arizona is a U.S. state located in the Southwestern United States of the United States. The capital and largest city is Phoenix, Arizona....
, California
California

California is a U.S. state on the West Coast of the United States of the United States, along the Pacific Ocean. It is bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and to the south the Mexico state of Baja California....
, Nevada
Nevada

Nevada is a U.S. state located in the Western United States of the United States of America. The capital is Carson City and the largest city is Las Vegas, Nevada....
, New Mexico
New Mexico

New Mexico is a U. S. State located in the Southwestern United States of the United States. Inhabited by Native Americans in the United States populations for many centuries, it has also has been part of the Spanish Empire viceroyalty of New Spain, part of Mexico, and a U.S....
, and Texas
Texas

Texas is a U.S. state located in the South Central United States, nicknamed the Lone Star State. Texas is the second largest U.S. state in both area and population, spanning , and with a growing population of 24.3 million residents....
. For example, these states all have a community property
Community property

Community property is a marital property regime that originated in civil law jurisdictions and is now also found in some common law jurisdictions....
 system for the property of married
Marriage

Marriage is a social, spirituality, or law union of individuals. This union may also be called matrimony, while the ceremony that marks its beginning is usually called a wedding and the married status created is sometimes called wedlock....
 persons (Idaho
Idaho

The State of Idaho is a U.S. state in the Pacific Northwest region of the United States of America. The state's largest city and Capital is Boise, Idaho....
, Washington
Washington

Washington is a U.S. state in the Pacific Northwest region of the United States. Washington was carved out of the western part of Washington Territory which had been ceded by Britain in 1846 by the Oregon Treaty as settlement of the Oregon Boundary Dispute....
, and Wisconsin
Wisconsin

Wisconsin is one of the fifty U.S. state in the United States of America, located in the north central part of the United States. It borders two of the five Great Lakes and four U.S....
 have also adopted community property systems, but they did not inherit them from a previous civil law system that governed the state). Another example of civil law influence in these states can be seen in the California Civil Code, where the law of contracts is treated as part of the law of obligations
Law of obligations

The Law of Obligations is one of the component private law elements of the civil law system of law. The Law of Obligations finds its origins in Roman law which is defined as a ?legal tie? or ?legal bond? in the Institutes of Justinian....
 (though the rules actually codified are clearly derived from the common law).

Many of the western states
Western United States

The Western United States—commonly referred to as the American West or simply The West—traditionally refers to the region comprising the westernmost U.S....
, including California
California

California is a U.S. state on the West Coast of the United States of the United States, along the Pacific Ocean. It is bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and to the south the Mexico state of Baja California....
, Colorado
Colorado

The State of Colorado is a U.S. state located in the Mountain States of the United States of America. Colorado may also be considered to be a part of the Western United States and Southwestern United States regions of the United States....
, New Mexico
New Mexico

New Mexico is a U. S. State located in the Southwestern United States of the United States. Inhabited by Native Americans in the United States populations for many centuries, it has also has been part of the Spanish Empire viceroyalty of New Spain, part of Mexico, and a U.S....
, and Wyoming
Wyoming

The State of Wyoming is a sparsely populated U.S. state in the Northwestern United States of the United States. The majority of the state is dominated by the mountain ranges and rangelands of the Rocky Mountains, while the easternmost section of the state is a high altitude prairie region known as the High Plains ....
 use a system of allocating water rights known as the prior appropriation doctrine
Prior appropriation water rights

Prior appropriation water rights, sometimes known as the "Colorado Doctrine" in reference to the Supreme Court of the U.S. case Wyoming v. Colorado, is a system of allocating water rights from a water source that is markedly different from Riparian water rights....
, which is derived from Spanish civil law. It should be noted that each state has modified the doctrine to suit its own internal conditions and needs.

See also

  • Courts of the United States
    Courts of the United States

    Court of law of the United States include both the United States federal courts, comprising the judicial branch of the federal government of the United States and State court of the individual U.S....
  • Legal systems of the world
    Legal systems of the world

    The three major legal systems of the world today consist of civil law , common law and religious law. However, each country often develops variations on each system or incorporates many other features into the system....
  • Black's Law Dictionary
    Black's Law Dictionary

    Black's Law Dictionary is the most widely-used law dictionary for the law of the United States. It was founded by Henry Campbell Black. It has been cited as legal authority in many Supreme Court cases ....


Lists

  • List of sources of law in the United States
    List of sources of law in the United States

    This list contains links to various sources of law used in the United States.Primary sourcesFederal*Constitution of the United States...
  • List of United States Supreme Court cases
    List of United States Supreme Court cases

    This is an index of chronological lists of cases decided by the Supreme Court of the United States....
  • List of Uniform Acts (United States)
    List of Uniform Acts (United States)

    This is a list of Uniform Acts....
     - intended for state-level legislation
  • List of United States federal legislation
    List of United States federal legislation

    This is a partial list of notable United States federal legislation, in chronological order. At the Federal government of the United States, legislation consists exclusively of Act of Congresss passed by the Congress of the United States , that were either signed into law by the President of the United States or subsequently passed by Congre...
  • Legal research in the United States
    Legal research in the United States

    What is Legal Research?"Legal research is the process of identifying and retrieving information necessary to support legal decision-making. In its broadest sense, legal research includes each step of a course of action that begins with an analysis of the facts of a problem and concludes with the application and communication of the results...


Further reading

  • Cardozo, Benjamin N. (1957). An Introduction to Law. Cambridge: Harvard Law Review Association. (Chapters by eight distinguished American judges).
  • Hart, H.L.A. (1961). The Concept of Law. Oxford University Press. (Classic text on "what is law?")
  • Llewellyn, Karl N. (1986). "The Bramble Bush," in Karl N. Llewellyn on Legal Realism. Birmingham, AL: Legal Classics Library. (Classic introductory text on the nature of law).
  • Nizer, Louis (1978). My Life in Court. New York: Jove. (Popular description of a lawyer's practice).
  • Pound, Roscoe (1997). Social Control Through Law. New Brunswick, NJ: Transaction Publishers. (Nature of law and its role in society).
  • Schwartz, Bernard (1974). The Law in America. New York: American Heritage Publishing Co. (Evolution of American legal institutions since 1790).


External links

  • at Cornell University's Legal Information Institute