Re: [IPsec] IPR Disclosure: Certicom Corporation's Statement about IPR related to draft-ietf-ipsecme-dh-checks-04

Yoav Nir <ynir@checkpoint.com> Mon, 13 May 2013 19:32 UTC

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From: Yoav Nir <ynir@checkpoint.com>
To: Matthew Campagna <mcampagna@blackberry.com>
Thread-Topic: [IPsec] IPR Disclosure: Certicom Corporation's Statement about IPR related to draft-ietf-ipsecme-dh-checks-04
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Date: Mon, 13 May 2013 19:32:09 +0000
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Cc: IPsecme WG <ipsec@ietf.org>, Paul Hoffman <paul.hoffman@vpnc.org>
Subject: Re: [IPsec] IPR Disclosure: Certicom Corporation's Statement about IPR related to draft-ietf-ipsecme-dh-checks-04
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Hi Matthew.

Actually, that section makes it all the more puzzling. It lists 3 disclosures that relate to several RFCs, but none of those RFCs relates to Diffie-Hellman. Instead they relate to lists of algorithms, so I'm not sure how this helps cover the concerns.

Yoav

On May 13, 2013, at 7:11 PM, Matthew Campagna <mcampagna@blackberry.com> wrote:

> 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
> 
> mcampagna@certicom.com
> direct          203.894.9777
> office           877.746.5831x14181#
> http://www.blackberry.com
> 
> 
> 
> 
> 
> -----Original Message-----
> From: ipsec-bounces@ietf.org [mailto:ipsec-bounces@ietf.org] 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 <mcr+ietf@sandelman.ca> 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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