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AT&T Corp.'s statement about IPR claimed in draft-andreasen-sipping-rfc3603bis-01.txt

Only those sections of the "Patent Disclosure and Licensing Declaration Template for Specific IPR Disclosures" where the submitter provided information are displayed.

Update this IPR disclosure. 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.

Submitted Date: October 27, 2006

I. Patent Holder/Applicant ("Patent Holder")
Legal Name: AT&T Corp.
II. Patent Holder's Contact for License Application
Name: Charlie Scott
Title: Associate Director, Standards Management
Department: AT&T Knowledge Ventures
Address1: 6500 Riverplace Blvd.
Address2: Bldg III
Telephone: (512) 527-1358
Fax: (512) 527-1209
III. Contact Information for the IETF Participant Whose Personal Belief Triggered this Disclosure:
Name: Bill Marshall
Title: Sr. Technical Consultant
Department: AT&T Labs-Research
Address1: 180 Park Avenue
Address2: Room A143
Telephone: (973) 360-8718
Fax: (973) 360-8871
IV. IETF Document or Other Contribution to Which this IPR Disclosure Relates:
Internet-Draft:"Private Session Initiation Protocol (SIP) Proxy-to-Proxy Extensions for Supporting the PacketCable Distributed Call Signaling Architecture"
V. 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): 6,577,718; 6,983,040; 11/055785
Date(s) granted or applied for: 6/10/03; 1/3/06; 2/11/05
Country: USA
Additional Notes:

B. Does this disclosure relate to an unpublished pending patent application?: YES
C. If an Internet-Draft or RFC includes multiple parts and it is not reasonably apparent which part of such Internet-Draft or RFC is alleged to be covered by the patent information disclosed in Section V(A) or V(B), it is helpful if the discloser identifies here the sections of the Internet-Draft or RFC that are alleged to be so covered:
No information submitted
VI. Licensing Declaration
The Patent Holder states that its position with respect to licensing any patent claims contained in the patent(s) or patent application(s) disclosed above that would necessarily be infringed by implementation of the technology required by the relevant IETF specification ("Necessary Patent Claims"), for the purpose of implementing such specification, is as follows(select one licensing declaration option only):
See Text Below for Licensing Declaration.
Licensing information, comments, notes, or URL for further information:

This is to advise the IETF that AT&T believes it owns intellectual property
(identified in section V above) that may relate to RFC 3603. To the extent that
the technology discussed in the above referenced IETF document(s) becomes an
IETF Standard, and to the extent claims of AT&T's patents are required to
implement the IETF Standard, AT&T agrees that, upon written request, AT&T will
offer, on a nondiscriminatory basis, non-exclusive licenses on fair and
reasonable terms under such patent claims to implement that IETF Standard.
AT&T's willingness to grant such licenses is conditioned upon the prospective
licensee granting a reciprocal license to AT&T under any patents that the
prospective licensee has to any technology required to implement that IETF

Written requests for licenses may be sent to:
AT&T Knowledge Ventures
Director, Operations Management
6500 Riverplace Blvd., Bldg. III
Austin, TX 78730

The individual submitting this template represents and warrants that all terms and conditions that must be satisfied for implementers of any covered IETF specification to obtain a license have been disclosed in this IPR disclosure statement.

Note: The individual submitting this template represents and warrants that he or she is authorized by the Patent Holder to agree to the above-selected licensing declaration.
VII. Contact Information of Submitter of this Form (if different from the Contact Information above)
Name: Thomas Frost
Title: Licensing Director
Department: AT&T Knowledge Ventures
Address1: 180 Park Avenue
Address2: Room E145
Telephone: (973) 236-6760
Fax: (973) 360-5800
VIII. Other Notes:
No information submitted