IPR Details
Cryptographically Generated Addresses (CGA)

The text of the original IPR disclosure is available in the disclosure history.

Submitted: July 2, 2003

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

This IPR disclosure has been updated by IPR disclosure ID #676, "Microsoft's Statement about IPR claimed in RFC 3972".

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

Holder legal name
Microsoft Corporation

'II'. Patent Holder's Contact for License Application

Holder contact name
Microsoft Standards Inqui
Holder contact email
Holder contact info

1 Microsoft Way, Redmond, WA 98052

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

Tuomas Aura
Other info

1 Microsoft Way, Redmond, WA 98052

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

draft-ietf-send-cga ("Cryptographically Generated Addresses (CGA)")

'V'. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by Section 6 of RFC 3979

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

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

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending

'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):

Royalty-Free, Reasonable and Non-Discriminatory License to All Implementers
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
Microsoft Standards Inqui
Submitter email

'VIII'. Other Notes

Additional notes

If Microsoft patent rights (issued and/or pending patent applications) included in Cryptographically Generated Addresses (CGA) are required to implement the IETF Secure
Neighbor Discovery (SEND) standard ,Microsoft is prepared to grant a license to the necessary claims of those patent rights on a royalty-free basis with other reasonable and
non-discriminatory terms and conditions for the purposes of implementing the IETF SEND standard.

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