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Re: ARC patent

From: Richard Huxton <dev(at)archonet(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: John Hansen <john(at)geeknet(dot)com(dot)au>,Zeugswetter Andreas DAZ SD <ZeugswetterA(at)spardat(dot)at>,Jan Wieck <JanWieck(at)Yahoo(dot)com>, Neil Conway <neilc(at)samurai(dot)com>,pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: ARC patent
Date: 2005-01-17 22:30:48
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Tom Lane wrote:
> "John Hansen" <john(at)geeknet(dot)com(dot)au> writes:
>>>Unfortunately no. The document that inspired me to adapt ARC for 
>>>PostgreSQL is from the USENIX File & Storage Technologies 
>>>Conference (FAST), March 31, 2003, San Francisco, CA.
>>Ahemm,... Isn't the patent lodged on may 20, 2004, AFTER you read the document from the above conference?
> No, the filing date was in 2002.  I'm not sure what the May/04 date means;
> possibly the date of the last activity in that patent file?

Sounds to me like US conferences need to get a disclaimer signed by any 
speakers - "best of my knowledge...covered by no patents/claims/...". 
It's like having a bowl of sweets labelled "help yourself" and putting 
the price sticker inside the wrapper.

   Richard Huxton
   Archonet Ltd

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