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IPR Details
Microsoft's Statement about IPR claimed in draft-ietf-marid-core-03 and draft-ietf-marid-pra-00

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

Submitted: August 24, 2004 under the rules in RFC 3668.

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 Microsoft Corporation

II. Patent Holder's Contact for License Application

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

One Microsoft Way, Redmond, WA 98052

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

Name Harry Katz
Other info

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

draft-ietf-marid-pra ("Purported Responsible Address in E-Mail Messages")
No revisions for this Internet-Draft were specified in this disclosure. However, there is only one revision of this Internet-Draft.
draft-ietf-marid-core ("Sender ID: Authenticating E-Mail")
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 03 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.

V. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 3668

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

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

US Serial no. 10/684020
EP Serial no. 04005644.2
JP Serial no. 2004-71769
CN Serial no. 200410028682.3
KR 10-2004-16409
IN Serial no. 298/DEL/2004

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending Yes

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
Submitter email

VIII. Other Notes

Additional notes

** A license to implement these specifications will be made available at on or before September 15, 2004.

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