History for IPR disclosure
Nokia's patent statement pertaining to RFC3095

From: http://www.ietf.org/ietf-ftp/IPR/NOKIA-RFC3095.txt

Received April 23, 2002
From: harri.honkasalo@nokia.com

This is to advise the IETF that Nokia believes it owns patents and patent applications
which may relate to RFC 3095, including:

1) "CID field handling in ROHC": FI 20002100, US 09/954562, PCT/FI01/00819
2) "Variable length context identifier for real time header compression":
  FI 20002307, US 09/978479, PCT/FI01/00902
3) "Variable length encoding of compressed data": US 09/536638, US 60/164330,
  PCT/US00/41773
4) "A timer-based scheme for efficient and robust compression of RTP time stamp":
  US 09/377913, US 09/522363, PCT/US01/07573
5) "Robust and efficient compression of list of items": US 09/756232, US 60/211986,
  PCT/US01/50525
6) "Using sparse feedback to increase bandwidth efficiency in high delay, low bandwidth
  environment": US 09/434384, PCT/US00/29846
7) "Header compression in real time services": CN 00803936.4, EP 00905087.3, FI 990335,
  FI-PAT 108588, JP 2000600378, US 09/505643, PCT/FI00/00107
8) "Using periodic acknowledgements and adaptive coding for maintaining
  synchronization in error and loss-prone environments": US 09/536639, US 60/159360,
  PCT/US00/28326

Please refer to http://www.ietf.org/ietf/IPR/NOKIA for more details.

Harri Honkasalo
Director of IPR, Standards Technology
Nokia Corporation
email: harri.honkasalo@nokia.com