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

Submitted: March 30, 2021 under the rules in RFC 8179

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B. Does this disclosure relate to an unpublished pending patent application?: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

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