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Re: Legal Notice on RFC3161 Uses and their possible infringement against Glassey/Mcneil Patents(et al).


Todd,

Stephen BTW will you or Denis personally write the check here when any Court finds in favor of one of us Patent Holders over someone else' use of 3161?

I have been asking you a technical question, so I am still awaiting from you a technical response (not an unrelated question).

Here is my question again:

"A patent called "Controlling Access to Stored Information" is listed as EP 997-808 (5-mar-2000). It uses time and positioning information in concert and alone to provide a keying and a control system for evidentiary use and that of access control as well."

I have some difficulties to understand how this patent relates in anyway with RFC 3161, since the first claim of it is:

   A method for controlling access to stored information comprising
   determining an actual geographic position where said stored
   information is located based on signals received at a receiver
   supplying reliable position information, comparing said actual
   geographic position with at least one authorized geographic region,
   and permitting access to said stored, information if said actual
   geographic position is within said authorized geographic region.

This is however related to GPS, DVD or CD technology which is out of the scope of RFC 3161.

.. but you are probably going to explain that I missed something ..."

Denis


Todd

    ----- Original Message -----
    From: Stephen Kent <mailto:kent@xxxxxxx>
    To: ietf-pkix@xxxxxxx <mailto:ietf-pkix@xxxxxxx>
    Sent: Thursday, March 25, 2004 2:20 PM
    Subject: Re: Legal Notice on RFC3161 Uses and their possible
    infringement against Glassey/Mcneil Patents(et al).

Folks,

    Attached is the abstract for Todd's latest patent in this area,
    which he alluded to in his posting to this list.

    Since RFC 3161 makes no mention of using time stamp info for access
    control, the likelihood of this RFC infringing seems questionable to
    me, but that, of course is not a legal opinion.

    If Todd wanted to follow established IETF procedure, as per RFC 2606
    he should have sent this message to ietf-ipr@xxxxxxxxx In fact Todd
    did post such a message for his previous IPR assertions in this
    general area, but maybe he didn't feel that such posting had
    sufficient dramatic effect.

    Steve
    -------


    Controlling access to stored information based on geographical
    location and  date and time

Abstract
Access to stored information by a user is controlled by comparing an
actual geographic position and/or an actual date/time with a
geographic region and/or a date/time interval within which access
to the stored information is authorized. The actual geographic
position where the stored information is located, and the actual
date/time can be determined, for example, based on signals received
at a receiver supplying reliable position and time information,
such as a GPS receiver. Access to the stored information is authorized if the actual geographic position and/or date/time falls
within the authorized geographic region and/or date/time interval.
The position and date/time information supplied by the receiver may
be cryptographically signed and encrypted.