Bruce Momjian <bruce@momjian.us> writes:
> On Thu, Apr 5, 2018 at 10:54:09AM +0900, Mototaka Kanematsu wrote:
>> On 2018-04-04 06:44, Mototaka Kanematsu wrote:
>>> In private judgment, I don't enforce a patent right for PostgreSQL.
>> I mean if our code includes our patent, there are no-charge, royalty-free in that.
> Yes, you are right that companies that have patents are contributing to
> Postgres. We ask that people contributing to Postgres not study any
> patented material so we are less likely to have a patent problem.
Also, just to make our position clear: we do not accept code into
Postgres if there are known patents bearing on it. An offer of a
license is not going to change that, regardless of terms.
regards, tom lane