Defensive Patent License
|Licensing of patents|
|Clauses in patent licenses|
Higher category: Patents, Patent law
The Defensive Patent License (DPL) is a patent license proposed by Jason Schultz and Jennifer Urban, directors of the Samuelson Law, Technology & Public Policy Clinic at the University of California, Berkeley as a patent licensing equivalent of the GPL copyright license.
It requires entities licensing their patents under the DPL to license all of their patents under the DPL, with free licenses granted to all other DPL participants. DPL participants remain free to launch patent lawsuits against non-participants.
DPL 1.0 was published on November 16, 2013, and a "birthday" celebration held at the Internet Archive. The Internet Archive was designated as the fiscal umbrella organization until it has its own non-profit entity. It was launched on February 28, 2014 at a conference in Berkeley.
- Julie Bort (2010-05-07). "The Defensive Patent License makes patents less evil for open source". Network World.
- Florian Mueller (May 17, 2010). "Will the Defensive Patent License be able to make patents 'less evil' for Free and Open Source Software?". FOSS Patents.
- Schultz and Urban (May 10, 2011). "A Defensive Patent License Proposal". Stanford Center for Internet and Society/YouTube.
- Jon Brodkin (June 12, 2012). ""Defensive Patent License" created to protect innovators from trolls". Ars Technica.
- "Birthday of the Defensive Patent License: Friday, Nov 15, 4:30-8:00 in SF". November 15, 2013.
- "DPL FAQ".
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