IPR Details
Elwyn Davies' Statement about IPR related to RFC 3920 belonging to ROCKSTAR BIDCO, LP

Submitted: October 4, 2012

Note: Updates to IPR disclosures must only be made by authorized representatives of the original submitters. Updates will automatically be forwarded to the current Patent Holder's Contact and to the Submitter of the original IPR disclosure.

I. Possible Patent Holder/Applicant ("Patent Holder")

Holder legal name
ROCKSTAR BIDCO, LP

II. Contact Information for the IETF Participant Whose Personal Belief Triggered this Disclosure

Name
Elwyn Davies
Email
elwynd@folly.org.uk
Other info

Director, Folly Consulting Ltd
60 The Butts
Soham CB7 5AW, UK
T: +441353624579

III. IETF Document or Other Contribution to Which this IPR Disclosure Relates

RFC
RFC3920 ("Extensible Messaging and Presence Protocol (XMPP): Core")

IV. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by Section 6 of RFC 3979

A. For granted patents or published pending patent applications, please provide the following information:

Patent, Serial, Publication, Registration, or Application/File number(s)

US Patents
7,221,658
7,373,428
7,603,411
6,807,423
6,853,634

Date: Applied for in 2000
Country: USA

Notes: These patents were originally assigned to Nortel Networks. They were granted at various dates in the range 2004-2009. The claims cover various aspects of presence management systems.

RFC 3920 is called out but the claims might affect other products of the XMPP working group.

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending
No

V. Contact Information of Submitter of this Form

Submitter name
Submitter email

Only those sections of the relevant entry form where the submitter provided information are displayed.