Title: Cisco's Statement about IPR claimed in draft-ietf-l2tpext-pwe3-hdlc
Received: April 4, 2004
From: Robert Barr <rbarr@cisco.com>

Cisco is the owner of US Patents 5918019, 6308213, 6487598 and one or more
pending patent applications relating to the subject matter of "HDLC Frames
over L2TPv3" <draft-ietf-l2tpext-pwe3-hdlc-03.txt>. If technology in this
document is included in a standard adopted by IETF and any claims of any
Cisco patents are necessary for practicing the standard, any party will be
able to obtain a license from Cisco to use any such patent claims under
reasonable, non-discriminatory terms, with reciprocity, to implement and
fully comply with the standard.

For information contact:

Robert Barr
Worldwide Patent Counsel
Cisco Systems
408-525-9706
rbarr@cisco.com