History for IPR disclosure
The PPP Compression Control Protocol (CCP)

From: http://www.ietf.org/ietf-ftp/IPR/pppext-compression-control

On 5 June, 1995, the IESG received the following communication from
Motorola Inc.

  Motorola, Inc. has advised the IETF that it holds two patents that it
  believes to be essential to the CCP and ECP standards, U.S. 5,245,614
  and U.S.  5,130,993, and has declared its willingness to make licenses
  to these patents available to any party under reasonable terms and
  conditions that are demonstrably free of unfair discrimination.
  Parties interested in obtaining such a license may contact:

  Mr. John A. Fisher
  Vice President and Intellectual Property Licensing Counsel
  Motorola, Inc.
  1303 E. Algonquin Road
  Schaumburg, Ill. 60196

The IESG and IETF make no statement on the validity of this claim.


Reference: RFC1962: The PPP Compression Control Protocol (CCP)
          RFC1968: The PPP Encryption Control Protocol (ECP)