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PenOp Patent Issuance

From: Joseph M. Reagle Jr. <reagle@w3.org>
Date: Wed, 14 Jun 2000 15:20:14 -0400
Message-Id: <>
To: "IETF/W3C XML-DSig WG" <w3c-ietf-xmldsig@w3.org>
Cc: patent-issues@w3.org, Kal@penop.com
This email is informational and includes via reference the applicability,
validity, and licensing disclaimer at [4].

PenOp is no longer active in this WG.  However, I noted that a new patent
(US6064751) was issued last month -- in addition to the already disclosed
[1] PenOp patents.

The press release is at [2] and the specification at [3].

[1] http://www.w3.org/Signature/Disclosures.html
[2] http://www.penop.com/penop/penop.nsf/htmlmedia/May_18_20001.html
[3] http://www.patents.ibm.com/details?&pn=US06064751__
[4] http://www.w3.org/Signature/Disclosures.html
Neither the IESG/IETF or the W3C take a position regarding (1) the validity
or scope of any intellectual property right or other rights that might be
claimed to pertain to the implementation or use of the technology, nor (2)
the extent to which any license under such rights might or might not be
[5] http://lists.w3.org/Archives/Public/w3c-ietf-xmldsig/1999JulSep/0001.html
US 5544255, 5647017 and 5818955; and issued Australian Patent 688,589 and
issued New Zealand Patent 292439 [1])

Joseph Reagle Jr.   
W3C Policy Analyst                mailto:reagle@w3.org
IETF/W3C XML-Signature Co-Chair   http://www.w3.org/People/Reagle/
Received on Wednesday, 14 June 2000 15:21:32 UTC

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