IPR Details
Skype Limited's Statement about IPR related to draft-vos-silk-01

Submitted: March 22, 2010 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 Skype Limited

II. Patent Holder's Contact for Licence Application

Holder contact name Antti Seppala
Holder contact email antti.seppala@skype.net
Holder contact info

Legal Counsel
2 Stephen Street
London W1T 1AN
T: +44 (0) 203 286 2280

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

Name Koen Vos
Email koen.vos@skype.net
Other info

Distinguished Engineer
1934 29th Ave
San Francisco, CA
T: 14153784468

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

Internet-Draft: draft-vos-silk ("SILK Speech Codec")
Revisions: 01

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)

PI 0721316-6 (Brazil)

2679476 (Canada)

200780051547.2 (China)

07872475.4 (Europe)

2009-550325 (Japan)

12/006057 (US)
Date: 20 Feb 2007
Country: Varied (see above)

B. Does this disclosure relate to an unpublished pending patent application?: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 See Text Below for Licensing Declaration
Licensing information, comments, notes, or URL for further information

If the technology in this document is included in a standard adopted by the IETF, any entity will have the right to use any claims of any Skype patents that are necessary for practicing the technology to the extent that the technology is included in the standard, under royalty free, reasonable and non discriminatory terms, to implement and fully comply with the standard. These terms shall include: Skype retains the right to terminate any license grants and assert its patents (including the right to claim past royalties) against any entity (including its affiliates) that asserts a patent owned or controlled by it or its affiliates (either directly or indirectly) or that brings any lawsuit against Skype or any of Skype’s affiliates or successors in title; Skype retains the right to assert its patents against any product or portion thereof that is not necessary to comply with the standard; and the entity will agree not to assert any patents that are necessarily infringed by practicing the technology against any other entity practicing the technology, or against Skype or its licensees. A royalty-bearing option will also be available.

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 Koen Vos
Submitter email koen.vos@skype.net

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