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

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

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")
draft-ietf-marid-core ("Sender ID: Authenticating E-Mail")

'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)

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B. Does this disclosure relate to an unpublished pending patent application?: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

'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

(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 http://www.microsoft.com/mscorp/standards on or before September 15, 2004.

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