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IPR Details
Nokia's patent statement pertaining to RFC3095

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

Submitted: April 23, 2002 under the rules in RFC 2026.

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 Nokia Corporation

II. Patent Holder's Contact for License Application

Holder contact name Harri Honkasalo
Holder contact email
Holder contact info

Director of IPR
Standards Technology

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

RFC3095 ("RObust Header Compression (ROHC): Framework and four profiles: RTP, UDP, ESP, and uncompressed")

IV. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 2026

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

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

1) "CID field handling in ROHC": FI 20002100, US 09/954562, PCT/FI01/00819
2) "Variable length context identifier for real time header compression":
FI 20002307, US 09/978479, PCT/FI01/00902
3) "Variable length encoding of compressed data": US 09/536638, US 60/164330,
4) "A timer-based scheme for efficient and robust compression of RTP time stamp":
US 09/377913, US 09/522363, PCT/US01/07573
5) "Robust and efficient compression of list of items": US 09/756232, US 60/211986,
6) "Using sparse feedback to increase bandwidth efficiency in high delay, low bandwidth
environment": US 09/434384, PCT/US00/29846
7) "Header compression in real time services": CN 00803936.4, EP 00905087.3, FI 990335,
FI-PAT 108588, JP 2000600378, US 09/505643, PCT/FI00/00107
8) "Using periodic acknowledgements and adaptive coding for maintaining
synchronization in error and loss-prone environments": US 09/536639, US 60/159360,

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending No

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):

Licensing one selected]
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.

VI. Contact Information of Submitter of this Form

Submitter name
Submitter email

VII. Other Notes

Additional notes

Please refer to for more details.

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