Re: [rtcweb] Google VP8 Patent Grant for third parties [Was Re:Proposal for H.263 baseline codec]

Harald Alvestrand <harald@alvestrand.no> Wed, 04 April 2012 22:08 UTC

Return-Path: <harald@alvestrand.no>
X-Original-To: rtcweb@ietfa.amsl.com
Delivered-To: rtcweb@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 44DB511E80D2 for <rtcweb@ietfa.amsl.com>; Wed, 4 Apr 2012 15:08:24 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -110.549
X-Spam-Level:
X-Spam-Status: No, score=-110.549 tagged_above=-999 required=5 tests=[AWL=0.050, BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8, USER_IN_WHITELIST=-100]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RFLdXZjy7s24 for <rtcweb@ietfa.amsl.com>; Wed, 4 Apr 2012 15:08:23 -0700 (PDT)
Received: from eikenes.alvestrand.no (eikenes.alvestrand.no [158.38.152.233]) by ietfa.amsl.com (Postfix) with ESMTP id AD3BF11E80C2 for <rtcweb@ietf.org>; Wed, 4 Apr 2012 15:08:22 -0700 (PDT)
Received: from localhost (localhost [127.0.0.1]) by eikenes.alvestrand.no (Postfix) with ESMTP id 9466839E151 for <rtcweb@ietf.org>; Thu, 5 Apr 2012 00:08:21 +0200 (CEST)
X-Virus-Scanned: Debian amavisd-new at eikenes.alvestrand.no
Received: from eikenes.alvestrand.no ([127.0.0.1]) by localhost (eikenes.alvestrand.no [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DpF51IXVJLAm for <rtcweb@ietf.org>; Thu, 5 Apr 2012 00:08:20 +0200 (CEST)
Received: from [192.168.1.107] (unknown [188.113.88.47]) by eikenes.alvestrand.no (Postfix) with ESMTPSA id BC18B39E082 for <rtcweb@ietf.org>; Thu, 5 Apr 2012 00:08:20 +0200 (CEST)
Message-ID: <4F7CC650.9000907@alvestrand.no>
Date: Thu, 05 Apr 2012 00:08:16 +0200
From: Harald Alvestrand <harald@alvestrand.no>
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.28) Gecko/20120313 Thunderbird/3.1.20
MIME-Version: 1.0
To: rtcweb@ietf.org
References: <CAMKM2Ly-xnVEciL941uOu1Bgwc-wssZ7HNkQuBhsCcgyqfuk5Q@mail.gmail.com> <03ac01cd120d$0ffe95f0$2ffbc1d0$@packetizer.com> <4F7BCD1A.7020508@librevideo.org> <03e301cd1223$153e6b60$3fbb4220$@packetizer.com>
In-Reply-To: <03e301cd1223$153e6b60$3fbb4220$@packetizer.com>
Content-Type: text/plain; charset="ISO-8859-1"; format="flowed"
Content-Transfer-Encoding: 7bit
Subject: Re: [rtcweb] Google VP8 Patent Grant for third parties [Was Re:Proposal for H.263 baseline codec]
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Real-Time Communication in WEB-browsers working group list <rtcweb.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/rtcweb>
List-Post: <mailto:rtcweb@ietf.org>
List-Help: <mailto:rtcweb-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 04 Apr 2012 22:08:24 -0000

On 04/04/2012 07:23 AM, Paul E. Jones wrote:
> I would have a high degree of confidence that I could identify all H.264 IPR
> holders.
Question .... how would you do that?
I'm genuinely curious. The subject has come up in other discussions, 
including in ISO in connection with the WebVC and IVC projects.

The database in question is an ISO database, not an ITU database, and 
the format is most un-database-like; it is here:

http://isotc.iso.org/livelink/livelink/fetch/2000/2122/3770791/JTC1_Patents_database.html?nodeid=3777806&vernum=-2 
<http://isotc.iso.org/livelink/livelink/fetch/2000/2122/3770791/JTC1_Patents_database.html?nodeid=3777806&vernum=-2>