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IPR Details
Microsoft's Statement about IPR claimed in draft-ietf-sip-gruu-03

Submitted: June 17, 2005 under the rules in RFC 3979.

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. Patent Holder/Applicant ("Patent Holder")

Holder legal name Microsoft Corporation

II. Patent Holder's Contact for License Application

Holder contact name Stephany Sandbo
Holder contact email stdsreq@microsoft.com
Holder contact info

Microsoft Standards Inquiries

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

Internet-Draft:
draft-ietf-sip-gruu ("Obtaining and Using Globally Routable User Agent URIs (GRUUs) in the Session Initiation Protocol (SIP)")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision at the time this disclosure was posted could not be determined. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.

IV. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by 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 Patent Application Serial Number: 10/387238
March 12, 2003

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending No

V. 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):

Licensing Reasonable and Non-Discriminatory License to All Implementers with Possible Royalty/Fee
Licensing information, comments, notes, or URL for further information

This licensing declaration is limited solely to standards-track IETF documents

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.

VI. 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 above.