Paul et al,

   I would like to draw the groups attention to "Section VIII. Other Notes:" of 
the declaration https://datatracker.ietf.org/ipr/2072/.  It highlights previous 
declarations in regards to the referenced patent and its use in affiliated 
IPSec and IKE specifications.

  I personally hope that these earlier statements cover the bulk of concerns 
and expected uses.

Sincerely,
    Matt Campagna


Matthew Campagna - Director, Certicom Research 
BlackBerry

[email protected]
direct          203.894.9777
office           877.746.5831x14181#
http://www.blackberry.com





-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Paul 
Hoffman
Sent: Friday, May 10, 2013 1:21 PM
To: IPsecme WG
Subject: Re: [IPsec] IPR Disclosure: Certicom Corporation's Statement about IPR 
related to draft-ietf-ipsecme-dh-checks-04

On May 10, 2013, at 10:13 AM, Michael Richardson <[email protected]> wrote:

> I can not speculate as to whether there is prior art, but it seems to 
> match what we have been discussing.


<chair-hat on>
"We" have not been discussing it, and nor should we. Certicom has filed 
numerous IPR statements with the IETF over more than a decade. Earlier 
discussions of earlier IPR statements have not come to any general 
understanding of what Certicom claims and what they intend to do with those 
claims. In the absence of that understanding (which can be aided by Certicom at 
any time), there is no point in using the WG mailing list for guessing.

WG participants who want to read more about IPR are advised to see 
<https://www.ietf.org/ipr/>.

--Paul Hoffman
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