| From: | Nico Williams <nico(at)cryptonector(dot)com> |
|---|---|
| To: | "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, David Fetter <david(at)fetter(dot)org>, 'Craig Ringer' <craig(at)2ndquadrant(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: How can we submit code patches that implement our (pending) patents? |
| Date: | 2018-07-12 00:34:59 |
| Message-ID: | 20180712003458.GC9712@localhost |
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| Lists: | pgsql-hackers |
On Thu, Jul 12, 2018 at 12:29:12AM +0000, Tsunakawa, Takayuki wrote:
> From: Nico Williams [mailto:nico(at)cryptonector(dot)com]
> > My advice is to write up a patent grant that allows all to use the
> > relevant patents royalty-free with a no-lawsuit covenant. I.e., make
> > only defensive use of your patents.
>
> 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?
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