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IPR Details
Redback Networks Inc.'s Statement about IPR related to RFC 3931

Submitted: July 2, 2009 under the rules in RFC 3979 as updated by RFC 4879.

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 Redback Networks Inc.

II. Patent Holder's Contact for License Application

Holder contact name Tage Lovgren
Holder contact email tage.lovgren@ericsson.com
Holder contact info

Director Patent Portfolio Management
GFT IPR & Licensing, Ericsson AB
Torshamngatan 21-23
Stockholm, Sweden 164 83
T: +46 10 7198151

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

Name Joakim Movander
Email joakim.movander@ericsson.com
Other info

Patent Portfolio Manager
GFT IPR & Licensing, Ericsson AB
Torshamngatan 21-23
Stockholm, Sweden 164 83
T: +46 10 7133687

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

RFC:
RFC3931 ("Layer Two Tunneling Protocol - Version 3 (L2TPv3)")

V. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 3979 as updated by RFC 4879

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 7,054,321
Date: May 30, 2006
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B. Does this disclosure relate to an unpublished pending patent application?: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 See Text Below for Licensing Declaration
Licensing information, comments, notes, or URL for further information

Fair, Reasonable and Non-Discriminatory License to Any Implementer who undertakes to grant to any Ericsson company a corresponding license to its Necessary Patent Claims, if any, for implementing an IETF specification

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 Kyle McElroy
Submitter email kyle.mcelroy@ericsson.com

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