IPR Details
Cisco Systems, Inc.'s Statement about IPR related to RFC 6877

• Disclosure
• History

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	Cisco Systems, Inc.

II. Patent Holder's Contact for License Application

Holder contact name	Dan Lang
Holder contact email	dlang@cisco.com
Holder contact info	Dan Lang Vice President and Deputy General Counsel Cisco Systems, Inc. +1 408-526-6672 standards-ipr@cisco.com

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

Name	Pascal Thubert
Email	pthubert@cisco.com
Other info

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

RFC: RFC6877 ("464XLAT: Combination of Stateful and Stateless Translation")

V. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 8179

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

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

Number: US7443880 Inventor: Patrick Wetterwald and Pascal Thubert Title: Arrangement for reaching IPv4 public network nodes by a node in a IPv4 private network via an IPv6 access network Date: 2004-06-25 Notes: Cisco is the owner of US Patent No. 7,443,880 entitled "Arrangement for reaching IPv4 public network nodes by a node in a IPv4 private network via an IPv6 access network" which was filed on June 25, 2004, relating to the subject matter of Request for Comments (RFC) 6877 "464XLAT: Combination of Stateful and Stateless Translation".

B. Does this disclosure relate to an unpublished pending patent application?: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	Royalty-Free, Reasonable and Non-Discriminatory License to All Implementers
Licensing information, comments, notes, or URL for further information	(No information submitted)

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	Rachel Albright
Submitter email	ralbrigh@cisco.com

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