Patentleft
Encyclopedia
Patentleft is the practice of licensing patent
s (especially biological patent
s) for royalty
-free use, on the condition that adopters license related improvements they develop under the same terms. Copyleft-style licensors seek "continuous growth of a universally accessible technology commons" from which they, and others, will benefit.
Patentleft is analogous to copyleft
, a license which allows distribution of a copyright
ed work and derived works, but only under the same terms.
(BIOS) project implemented a patentleft system to encourage re-contribution and collaborative innovation of their technology. BIOS holds a patented technology for transferring genes in plants, and licenses the technology under the terms that, if a license holder improves the gene transfer tool and patents the improvement, then their improvement must be made available to all the other license holders.
Person B has two patents in her product and wants to use Person A's patents in that product. Person B also wants to charge royalties for her two patents. She decides to use Person A's patent, but now must license her patents, royalty-free, under the same terms as Person A's patent.
Person C has three patents in his product and wants to use Person B's two patents in that product, but doesn't want to use Person A's patent. Person C also wants to charge royalties for his three patents. He decides to use Person B's patent, but now must license his patents, royalty-free, under the same terms as Person A's patent.
Patent
A patent is a form of intellectual property. It consists of a set of exclusive rights granted by a sovereign state to an inventor or their assignee for a limited period of time in exchange for the public disclosure of an invention....
s (especially biological patent
Biological patent
A biological patent is a patent relating to an invention or discovery in biology. It can be a composition of matter, a method for obtaining or using one or more thereof, or a product combining such things...
s) for royalty
Royalties
Royalties are usage-based payments made by one party to another for the right to ongoing use of an asset, sometimes an intellectual property...
-free use, on the condition that adopters license related improvements they develop under the same terms. Copyleft-style licensors seek "continuous growth of a universally accessible technology commons" from which they, and others, will benefit.
Patentleft is analogous to copyleft
Copyleft
Copyleft is a play on the word copyright to describe the practice of using copyright law to offer the right to distribute copies and modified versions of a work and requiring that the same rights be preserved in modified versions of the work...
, a license which allows distribution of a copyright
Copyright
Copyright is a legal concept, enacted by most governments, giving the creator of an original work exclusive rights to it, usually for a limited time...
ed work and derived works, but only under the same terms.
Uses of patentleft
The Biological Innovation for Open SocietyBiological Innovation for Open Society
BiOS is an international initiative to foster innovation and freedom to operate in the biological sciences. BiOS was officially launched on 10 February 2005 by Cambia, an independent, international non-profit organization dedicated to democratizing innovation...
(BIOS) project implemented a patentleft system to encourage re-contribution and collaborative innovation of their technology. BIOS holds a patented technology for transferring genes in plants, and licenses the technology under the terms that, if a license holder improves the gene transfer tool and patents the improvement, then their improvement must be made available to all the other license holders.
Example
Person A has a patent, and licenses it under the a patentleft license.Person B has two patents in her product and wants to use Person A's patents in that product. Person B also wants to charge royalties for her two patents. She decides to use Person A's patent, but now must license her patents, royalty-free, under the same terms as Person A's patent.
Person C has three patents in his product and wants to use Person B's two patents in that product, but doesn't want to use Person A's patent. Person C also wants to charge royalties for his three patents. He decides to use Person B's patent, but now must license his patents, royalty-free, under the same terms as Person A's patent.
See also
- CopyleftCopyleftCopyleft is a play on the word copyright to describe the practice of using copyright law to offer the right to distribute copies and modified versions of a work and requiring that the same rights be preserved in modified versions of the work...
- Patent trollPatent trollPatent troll is a pejorative but questioned term used for a person or company who is a non-practicing inventor, and buys and enforces patents against one or more alleged infringers in a manner considered by the target or observers as unduly aggressive or opportunistic, often with no intention to...
- Public domainPublic domainWorks are in the public domain if the intellectual property rights have expired, if the intellectual property rights are forfeited, or if they are not covered by intellectual property rights at all...
- Software patentSoftware patentSoftware patent does not have a universally accepted definition. One definition suggested by the Foundation for a Free Information Infrastructure is that a software patent is a "patent on any performance of a computer realised by means of a computer program".In 2005, the European Patent Office...
- Viral licenseViral licenseViral license is a pejorative term used to describe a copyright license that allows derivative works only when licensed identically to the original. Licenses of this form include several common open source licenses, such as the GNU General Public License and the Creative Commons ShareAlike licenses...