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

From: http://www.ietf.org/ietf-ftp/IPR/hifn-ipr-draft-friend-tls-lzs-compression.txt

Title: Hifn's Statement about IPR claimed in draft-friend-tls-lzs-compression,
      RFC1967, RFC1974, RFC2118, RFC2395, and RFC3078
Received: April 2, 2004, updated April 22, 2004
From: Robert C. Friend

This note is to advise the IETF that the LZS and MPPC compression algorithms
are subject to patent and other intellectual property rights claims,
specifically 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.
Implementations of LZS and MPPC compression methods are referenced in certain
IETF documents, specifically RFC1967, RFC1974, RFC2118, RFC2395, RFC3078, and
draft-friend-tls-lzs-compression-03.txt.

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.

For more information, contact Hifn at the address listed below or at the RFC
author's address.

Hifn
750 University Ave.
Los Gatos, CA 95032

www.hifn.com