Re: How can we submit code patches that implement our (pending) patents?

From: Dave Cramer <pg(at)fastcrypt(dot)com>
To: "Tsunakawa, Takayuki" <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com>
Cc: 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: 2018-07-06 12:04:34
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On 4 July 2018 at 21:15, Tsunakawa, Takayuki <tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com
> wrote:

> From: Craig Ringer [mailto:craig(at)2ndquadrant(dot)com]
> > I'm assuming you don't want to offer a grant that lets anyone use them
> for
> > anything. But if you have a really broad grant to PostgreSQL, all someone
> > would have to do to inherit the grant is re-use some part of PostgreSQL.
> Your assumption is right. No scope is the same as no patent; it won't
> help to defend PostgreSQL community against rival companies/communities of
> other DBMSs. Or, I think we can set the scope to what OIN states.
> Fortunately, anyone can join OIN free of charge.
> > I guess there's a middle ground somewhere that protects substantial
> > derivatives and extracts but stops you using some Pg code snippets as a
> > freebie license.
> Are you assuming that developers want to use PG code snippets for
> non-PostgreSQL or even non-DBMS software? I believe that accepting
> patented code from companies would be practically more useful for
> PostgreSQL enhancement and growth. PostgreSQL is now a mature software,
> and it can be more corporate-friendly like other software under Apache
> License.
> Certainly there is history of people using PG code for non-PostgreSQL or
at least commercial derivative work. Greenplum for example.

Dave Cramer


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