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Re: EXI patent problem

From: Carine Bournez <carine@w3.org>
Date: Thu, 13 Aug 2009 04:08:37 -0400
To: Gengo Suzuki <suzuki.gengo@lab.ntt.co.jp>
Cc: public-exi@w3.org
Message-ID: <20090813080837.GT12086@homer.w3.org>

Hi Gengo,
On Thu, Aug 13, 2009 at 03:14:55PM +0900, Gengo Suzuki wrote:
> I am worried about patent violation of EXI specification.
> In Japan there are some patent and pending patent about XML compression,
> which wrote by Expway.  They are also international publication. 
> For example, in PCT/FR2001/002719, there is a claim about data compression
> method for structured documents using automata which is compiled from structural 
> schema.
> This is a basic principle, and I think that there is a little possibility of its registration.
> But its priority date is 2000.9.6, and there are few public XML compression document
> before that day.
> Expway was EXI-WG member, so is there any restriction for them to use right driving 
> from their patents ?

The W3C Patent policy applies. See
http://www.w3.org/Consortium/Patent-Policy-20040205/Overview.html#sec-W3C-RF-license and http://www.w3.org/Consortium/Patent-Policy-20040205/Overview.html#sec-Exclusion

Carine Bournez -+- W3C Europe
Received on Thursday, 13 August 2009 08:08:45 UTC

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