IPR Details
Cisco System's Statement about IPR claimed draft-rosenberg-dispatch-vipr-sip-antispam-00

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

Submitted: November 11, 2009

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
Cisco Systems

II. Patent Holder's Contact for License Application

Holder contact name
Dan Lang
Holder contact email
Holder contact info

Director, Intellectual Property

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

draft-rosenberg-dispatch-vipr-sip-antispam ("Session Initiation Protocol (SIP) Extensions for Blocking VoIP Spam Using PSTN Validation")

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)

US Published Patent Application 20090022149
US Patent Applications Serial No. 12370384
US Patent Applications Serial No. 12495615
US Patent Applications Serial No. 12608545
US Patent Applications Serial No. 12608484
US Patent Applications Serial No. 12495639

B. Does this disclosure relate to an unpublished pending patent application?: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

If technology in this document is included in a standard adopted by IETF and any
claims of any Cisco patents are necessary for practicing the standard, any party
will have the right to use any such patent claims under reasonable, non-
discriminatory terms, with reciprocity, to implement and fully comply with the

The reasonable non-discriminatory terms are:

If this standard is adopted, Cisco will not assert any patents owned or
controlled by Cisco against any party for making, using, selling, importing or
offering for sale a product that implements the standard, provided, however that
Cisco retains the right to assert its patents (including the right to claim past
royalties) against any party that asserts a patent it owns or controls (either
directly or indirectly) against Cisco or any of Cisco's affiliates or successors
in title or against any products of Cisco or any products of any of Cisco's
affiliates either alone or in combination with other products; and Cisco retains
the right to assert its patents against any product or portion thereof that is
not necessary for compliance with the standard.

Royalty-bearing licenses will be available to anyone who prefers that option.

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
Submitter email

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