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The Patent Disclosure and Licensing Declaration Template for Third Party IPR Disclosures

This form is used to let the IETF know about patent information regarding an IETF document or contribution when the person letting the IETF know about the patent has no relationship with the patent owners. Click here if you want to disclose information about patents or patent applications where you do have a relationship to the patent owners or patent applicants.

Submissions that do not comply with the formal requirements of Section 5, "IPR Disclosures," of RFC 8179, "Intellectual Property Rights in IETF Technology", may be rejected or may be published as general disclosures.

If you have any questions or problems with form then please contact We do not accept IPR disclosures by email.

Fields marked with are required.


If this disclosure updates other disclosures identify here which ones. Leave this field blank if this disclosure does not update any prior disclosures. 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. Possible Patent holder/applicant ("patent holder")

II. Contact information for the IETF participant whose personal belief triggered this disclosure

Address, phone, etc.

III. IETF document or other contribution to which this IPR disclosure relates

If an Internet-Draft or RFC includes multiple parts and it is not reasonably apparent which part of such Internet-Draft or RFC is alleged to be covered by the patent information disclosed in Section V(A) or V(B), please identify the sections of the Internet-Draft or RFC that are alleged to be so covered.

IV. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by Section 5 of RFC8179

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

Enter one or more comma-separated patent publication or application numbers as two-letter country code and serial number, e.g.: US62/123456 or WO2017123456. Do not include thousands-separator commas in serial numbers. It is preferable to use individual disclosures for each patent, even if this field permits multiple patents to be listed, in order to get inventor, title, and date information below correct.
Inventor name
Title of invention
Date granted or applied for

B. Does your disclosure relate to an unpublished pending patent application?

V. Contact information of submitter of this form

VI. Other notes