There's a searchable database at the US Patent and Trademark Office.
The only active trademarks it shows with either Postgres or PostgreSQL are
variations of "Postgres Plus" held by EnterpriseDB.
There's a dead patent on Mammouth that references PostgreSQL that was held
by Command Prompt, Inc.
Try this form to search for yourself:
http://tess2.uspto.gov/bin/gate.exe?f=searchstr&state=l1i5ve.1.1
Seth
On Thu, 26 Jun 2008, Koichi Suzuki wrote:
> Trivial question;
>
> Could anybody let me know if Postgres and/or PostgreSQL is a trademark
> or a registered trademark? If it is registered, who has the
> ownership?
>
> Thanks a lot in advance;
>
>
--
Seth Grimes Alta Plana Corp, analytical computing & data management
Intelligent Enterprise magazine (CMP), Contributing Editor
grimes@altaplana.com http://altaplana.com 301-270-0795