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IPR Details
Hifn's Statement about IPR claimed in draft-friend-tls-lzs-compression, RFC1967, RFC1974, RFC2118, RFC2395, and RFC3078

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

Submitted: April 2, 2004 under the rules in RFC 3668.

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.


Updated by

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

Holder legal name Hifn

II. Patent Holder's Contact for License Application

Holder contact name Robert C. Friend
Holder contact email
Holder contact info

750 University Ave.
Los Gatos, CA 95032

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

draft-friend-tls-lzs-compression ("Transport Layer Security (TLS) Protocol Compression Using Lempel-Ziv-Stac (LZS)")
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 01 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.
RFC2395 ("IP Payload Compression Using LZS")
RFC1967 ("PPP LZS-DCP Compression Protocol (LZS-DCP)")
RFC3078 ("Microsoft Point-To-Point Encryption (MPPE) Protocol")
RFC2118 ("Microsoft Point-To-Point Compression (MPPC) Protocol")
RFC1974 ("PPP Stac LZS Compression Protocol")

IV. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 3668

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

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

U.S. patent numbers 4,701,745, 5,003,307, 5,016,009, 5,126,739,
5,146,221, 5,414,425, 5,414,850, 5,463,390, 5,506,580, 5,532,694.

B. Does this disclosure relate to an unpublished pending patent application?: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 See Text Below for Licensing Declaration
Licensing information, comments, notes, or URL for further information

Software licenses for a reference implementation are available for
use in IPPCP, IPSec, PPP, in addition to TLS applications at no cost.

Software licenses are available on a non-discriminatory basis.
Hardware implementations are also available. For more information,
contact Hifn at the address listed with the author's address.

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

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