From: Nico Williams [mailto:n...@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. Regards Takayuki Tsunakawa