IPR Details
Cloudflare, Inc.'s Statement about IPR related to draft-ietf-dnsop-compact-denial-of-existence

Update this IPR disclosure
Submitted: July 21, 2023 under the rules in RFC 8179.

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 Cloudflare, Inc.

II. Patent Holder's Contact for License Application
Holder contact name Eric Sellars
Holder contact email esellars@cloudflare.com
Holder contact info

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

Name Olafur Gudmundsson
Email olafur@cloudflare.com
Other info

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

Internet-Draft:
draft-ietf-dnsop-compact-denial-of-existence ("Compact Denial of Existence in DNSSEC")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 00 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.

V. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 8179

A. For granted patents or published pending patent applications, please provide the following information:

Patent, Serial, Publication, Registration, or Application/File number(s)

Number: US11647008
Inventor: Morsing, Majkowski, Sullivan, Gudmundsson, Valsorda
Title: GENERATING A NEGATIVE ANSWER TO A DOMAIN NAME SYSTEM QUERY THAT INDICATES RESOURCE RECORDS AS EXISTING FOR THE DOMAIN NAME REGARDLESS OF WHETHER THOSE RESOURCE RECORDS ACTUALLY EXIST
Date: 2023-05-09

B. Does this disclosure relate to an unpublished pending patent application?: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 Royalty-Free, Reasonable and Non-Discriminatory License to All Implementers
Licensing information, comments, notes, or URL for further information

Cloudflare is the patent holder for patent US 11,647,008 that includes one or more claims that may be necessarily infringed by implementing the technology required by this IETF specification (“Necessary Patent Claim(s)”) for the purpose of implementing such specification. In the event the IETF specification is included in a standard (Proposed Standard or Internet Standard) adopted by the IETF, Cloudflare hereby grants to you a perpetual, world-wide, non-exclusive, no-charge, irrevocable (except as provided below), non-assignable and non-transferable license under the Necessary Patent Claim(s) to make, use, sell, offer for sale, or import products and/or services that implement the technology required by this IETF specification. Cloudflare retains the right to assert its claims that are not Necessary Patent Claims.

Termination. If you, directly or indirectly, file or cause to file a claim for patent infringement (including a cross-claim or counterclaim) against Cloudflare, any subsidiary of Cloudflare, any affiliate of Cloudflare, or any customer of Cloudflare related to an alleged infringement by a Cloudflare product or service, then any patent rights granted to you under this license shall automatically terminate as of the date of such patent infringement claim.

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 Eric Sellars
Submitter email esellars@cloudflare.com

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