Re: IPR Disclosure Certicom Corp.'s Statement about IPR related to RFC 2631

On Tue, Apr 14, 2015 at 9:25 AM, Peter Gutmann
<[email protected]> wrote:
> IETF Secretariat <[email protected]> writes:
>
>>An IPR disclosure that pertains to your RFC entitled "Diffie-Hellman Key
>>Agreement Method" (RFC2631) was submitted to the IETF Secretariat on  and has
>>been posted on the "IETF Page of Intellectual Property Rights Disclosures" (
>>https://datatracker.ietf.org/ipr/2579/). The title of the IPR disclosure is
>>"Certicom Corp.'s Statement about IPR related to RFC 2631"
>
> That must be one helluva submarine patent if it applies to an RFC published
> sixteen years ago.
>
> (It seems pretty bizarre for this to pop up now anyway, firstly because it's
> for X9.42 in S/MIME which was pretty much universally ignored by everyone, and
> secondly because the filing date for US 6563928, "Apr 1, 1999" postdates
> X9.42, which 2631 is based on, by quite some time).

One of the patents has a priority date prior to the move to 20 years
from issue. So it has about a year left to run.

There is often an uptick in litigation just before expiry. This is
probably a sign that someone is going through making sure all the
boxes are ticked. But I fail to see how a disclosure made 15 years
late helps matters any.

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