| Licensing of patents |
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| Overviews |
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| Clauses in patent licenses |
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Higher category: Patents, Patent law |
Patentleft is the practice of licensing patents (especially biological patents) 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.[1][2]
Patentleft is analogous to copyleft, a license that allows distribution of a copyrighted work and derived works, but only under the same or equivalent terms.
- ^ Hope, Janet (2008). The Red Book of Varieties and Schemes. Lecture Notes in Mathematics. Vol. 1358. Harvard University Press. pp. 176–187. doi:10.1007/b62130. ISBN 978-0-674-02635-3.
- ^ Open Patent license proposal at openpatents.org