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IPR Details
Fujitsu Limited's Statement about IPR related to draft-matsuhira-m46e-pt

Submitted: February 8, 2016 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.


Updated by

I. Patent Holder/Applicant ("Patent Holder")

Holder legal name Fujitsu Limited

II. Patent Holder's Contact for License Application

Holder contact name Shoichi Fukuda
Holder contact email
Holder contact info

Vice President
Intellectual Property Strategy Division
Legal, Compliance & IP Unit
Address: 4-1-1 Kami-kodanaka, Nakahara, Kawasaki 211-8588, Japan
Phone: +81-44-754-3050

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

Name Naoki Matsuhira
Other info

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

draft-matsuhira-m46e-pt ("Multiple IPv4 - IPv6 address mapping encapsulation - prefix translator (M46E-PT)")

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)

JP Patent No. 3859591
JP Patent application No. 2014-150364

B. Does this disclosure relate to an unpublished pending patent application?: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

Fujitsu is the owner of JP Patent No. 3859591 and its patent families registered in the other countries relating to the subject matter of "COMMUNICATION DEVICE INCLUDING VPN ACCOMMODATION FUNCTION", and JP Patent application (2014-150364) and its patent families registered in the other countries relating to the subject matter of "ADDRESS GENERATOR, ADDRESS GENERATION METHOD, AND ENCAPSULATION-DECAPSULATION DEVICE" (“Fujitsu Patents”)
If technology in this document is included in a standard adopted by IETF and any claims of the Fujitsu Patents disclosed in Section V hereof are necessary for practicing the standard, any party will have the right to use any such patent claims under reasonable, non-discriminatory terms, with reciprocity, to implement and fully comply with the standard.

The reasonable non-discriminatory terms are:
If this standard is adopted, Fujitsu will not assert the Fujitsu Patents against any party for making, using, selling, importing or offering for sale a product that implements the standard, provided, however that Fujitsu retains the right to assert the Fujitsu Patents (including the right to claim past royalties) against any party that asserts a patent it owns or controls (either directly or indirectly) against Fujitsu or any of Fujitsu's affiliates or successors in title or against any products of Fujitsu or any products of any of Fujitsu's affiliates either alone or in combination with other products; and Fujitsu retains the right to assert the Fujitsu Patents against any product or portion thereof
that is not necessary for compliance with the standard.

Royalty-bearing licenses will be available to anyone who prefers that option.

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 Kazutomo Hasegawa
Submitter email

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