Sign in
Version 5.7.4, 2014-11-12
Report a bug

AT&T's Patent Statement pertaining to draft-ietf-sip-rfc2543bis

This IPR disclosure was submitted by e-mail.

Sections I, II, and IV of "The Patent Disclosure and Licensing Declaration Template for Legacy" have been completed for this IPR disclosure. Additional information may be available in the original submission.

The text of the original IPR disclosure is available further down, and also here:

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: February 1, 2002

I. Patent Holder/Applicant ("Patent Holder")
Legal Name: AT&T
II. Patent Holder's Contact for License Application
Name: Thomas F. Frost
Title: Intellectual Property Vice President
Department: AT&T Intellectual Property Licensing
Address1: 180 Park Avenue
Address2: Florham Park, NJ 07932
III. IETF Document or Other Contribution to Which this IPR Disclosure Relates:
Internet-Draft:"SIP: Session Initiation Protocol"

The text of the original IPR declaration:

Received February 1, 2002
From: "Frost, Thomas F (Tom), ALIPM" 

This declaration is being made pursuant to the provisions of IETF IPR 
Policy, Sections 10.3.1 and 10.3.2.

This is to advise the IETF that AT&T believes it owns intellectual property 
that may relate to Internet Draft document " draft-ietf-sip-rfc2543bis-06", 
including United States Patent No. 6,324,279.  To the extent that the 
technology discussed in this Internet Draft 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 Intellectual Property Licensing
Intellectual Property Vice President
180 Park Avenue
Florham Park, NJ 07932