History for IPR disclosure
BT Notification of QOS Patent Application

From: http://www.ietf.org/ietf-ftp/IPR/BT-QOS

The following was received from Alan ONeill 
on December 5, 1997


Subject: Patent application disclosure

IETF colleagues,

In accordance with the IETF "Rules" (Section 10.3.1 - 6),  BT would like to
disclose that we have recently applied for a patent relating to the support
of IP differential QoS.

BT does so in the belief that this recent patent application is relevant to
present discussions within the IETF.

Alan O'Neill, BT Labs.