IPR Details
Koninklijke KPN N.V.'s Statement about IPR related to RFC 9429

Update this IPR disclosure
Submitted: March 11, 2026 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.

Updates

Updates

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

Previous (#5946) This (#7185)
Koninklijke KPN N.V. Holder legal name Koninklijke KPN N.V.

II. Patent Holder's Contact for License Application

Previous (#5946) This (#7185)
dr. K. M. Wuyts Holder contact name Koenraad Wuyts
koenraad.wuyts@kpn.com Holder contact email koenraad.wuyts@kpn.com

Wilhelminakade 123
3072 AP Rotterdam
Nederland

 Holder contact info

Wilhelminakade 123
3072 AP Rotterdam
Nederland

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

Previous (#5946) This (#7185)
Hans Stokking Name Hans Stokking
hans.stokking@tno.nl Email hans.stokking@tno.nl

Tel. no.: +31(0)651608646

 Other info

Tel.no.: +31(0)651608646

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

Previous (#5946) This (#7185)
RFC:
RFC8829 ("JavaScript Session Establishment Protocol (JSEP)")
RFC:
RFC9429 ("JavaScript Session Establishment Protocol (JSEP)")

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:

Previous (#5946) This (#7185)

Number: US9667669
Inventor: Hans STOKKING, Omar Aziz NIAMUT, Fabian Arthur WALRAVEN
Title: Managing associated sessions in a network
Date: 2017-05-30
Notes: Family members:
CN102356623 (publication number) and registration number ZL201080013541.8
EP10700814.6 (application number) and registration number 2387844
EP21189256.7 (application number) and publication number 3944587
EPEP22211264.1 (application number)
IN201828025776 (application number) and publication number 201828025776 A
IN1414/MUMNP/2011 (application number) and registration number 346407
JP2011-545699 (application number) and registration number 5436577
KR10-2011-7019232 (application number ) and registration number 10-1287322

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

Number: US9667669
Inventor: Hans STOKKING, Omar Aziz NIAMUT, Fabian Arthur WALRAVEN
Title: Managing associated sessions in a network
Date: 2017-05-30
Notes: CN102356623 (publication number) and registration number ZL201080013541.8
EP21189256.7 (application number) and registration number 3944587
EP10700814.6 (application number) and registration number 2387844
EP22211264.1 (application number)
EP25209527.8 (application number)
IN201828025776 (application number) and registration number 471264
IN1414/MUMNP/2011 (application number) and registration number 346407
JP2011-545699 (application number) and registration number 5436577
KR10-2011-7019232 (application number ) and registration number 10-1287322

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

Previous (#5946) This (#7185)
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):

Previous (#5946) This (#7185)
Reasonable and Non-Discriminatory License to All Implementers with Possible Royalty/Fee Licensing Reasonable and Non-Discriminatory License to All Implementers with Possible Royalty/Fee
Licensing information, comments, notes, or URL for further information

(No information submitted)

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

Previous (#5946) This (#7185)
Laura Jansen Submitter name Laura Jansen
ipr@kpn.com Submitter email ipr@kpn.com

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