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IPR Details
Comcast Cable Communications, LLC's Statement about IPR related to draft-ietf-softwire-dslite-multicast

Submitted: September 2, 2016 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.

I. Patent Holder/Applicant ("Patent Holder")

Holder legal name Comcast Cable Communications, LLC

II. Patent Holder's Contact for License Application

Holder contact name Peter Veytsman
Holder contact email
Holder contact info

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

Name Yiu Lee
Other info

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

draft-ietf-softwire-dslite-multicast ("Delivery of IPv4 Multicast Services to IPv4 Clients over an IPv6 Multicast Network")

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)

United States Patent # 9,014,189
Date Granted: April 21, 2015
US Patent Application 14/634,187

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending No

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

A reasonable and non-discriminatory license, including reasonable royalties, under those claims of Patent Holder’s patents that are necessary to make, use, sell, offer for sale, or import a product or service that implements a technology required by the IETF document or portions thereof listed in Section IV of this document (other than underlying enabling technologies), to implementers of such technology for so long as Patent Holder owns or controls such necessary claims; provided, that such implementer grants Patent Holder a reciprocal license on substantially the same or identical terms under the patents it owns or controls; and further provided, that such license shall automatically be null and void and of no further effect with respect to an implementer that asserts a claim or initiates or joins an action for patent infringement against Patent Holder or any of its subsidiaries.

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 Yiu Lee
Submitter email

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