IPR Details
Yahoo! Inc.'s statement about IPR claimed in draft-ietf-dkim-base-02.txt

Submitted: June 6, 2006

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
Yahoo! Inc.

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

Holder contact name
Joseph Siino
Holder contact email
Holder contact info

Vice President, Intellectual Property
Yahoo! Inc.
701 First Avenue, Sunnyvale, CA 94089
T: 408-349-3853

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

draft-ietf-dkim-base ("DomainKeys Identified Mail (DKIM) Signatures")
Revisions: 02

'IV'. 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)

6986049, 20050039019
Date: 1/10/06, 3/19/04
Country: US, US

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending

'V'. 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):

See Text Below for Licensing Declaration
Licensing information, comments, notes, or URL for further information

Yahoo! licenses its Necessary Patent Claims contained in the patent(s) and
patent application(s) disclosed above under either of two separate license
agreements, one of which is the DomainKeys Patent License Agreement (v1.2), and
the other is the GNU General Public License v2.0 (and no other version).

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.

'VI'. Contact Information of Submitter of this Form

Submitter name
Andrew Chen
Submitter email

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