From: Nico Williams [mailto:nico@cryptonector.com] > On Thu, Jul 12, 2018 at 12:29:12AM +0000, Tsunakawa, Takayuki wrote: > > How can one make defensive use of his patent if he allows everyone to > > use it royalty-free? Can he use his patent for cross-licensing > > negotiation if some commercial database vendor accuses his company > > that PostgreSQL unintentionally infringes that vendor's patent? > > https://en.wikipedia.org/wiki/Defensive_termination
Thank you, his looks reasonable to give everyone the grant. Then, I wonder if the community can accept patented code if the patent holder grants this kind of license.
Personally, I'd be in favour, but the core team has spoken here. I'm not privy to the discussion but the outcome seems firm.