IPR Details
Level 3 Communications, Inc.'s statement about IPR claimed in draft-ietf-pwe3-sonet-10.txt

Update this IPR disclosure
Submitted: February 25, 2005 under the rules in RFC 3668.

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 Level 3 Communications, Inc.

II. Patent Holder's Contact for License Application
Holder contact name Dallas R. Martin
Holder contact email dallas.martin@level3.com
Holder contact info

Vice President
Legal
1025 Eldorado Boulevard
Broomfield, CO 80021
T: 720-888-2536
F: 720-888-5170

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

Name Dallas R. Martin
Email dallas.martin@level3.com
Other info

T: 720-888-2536

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

Internet-Draft:
draft-ietf-pwe3-sonet ("Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)")
Revisions:
10

V. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 3668

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

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

6,831,932
Date: December 14, 2004
Country: United States

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending No

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):

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.

VII. 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.