Nortel Networks Statement about IPR claimed in draft-niccolini-sipping-feedback-spit-01 Date: 16 August 2006 From: Michelle Lee Dear Sir, Nortel Networks Limited has an unpublished patent application and potential intellectual property rights in inventions that may pertain to at least a portion of the subject matter of this IETF Internet Draft: Title: SIP Extensions for SPIT identification draft-niccolini-sipping-feedback-spit-01 Tag: < draft-niccolini-sipping-feedback-spit-01.txt > http://www.ietf.org/internet-drafts/draft-niccolini-sipping-feedback-spi t-01.txt In the event that the technology in this document is included in a standard adopted by IETF and such patent applications of Nortel issue which contain claims that are necessary for practicing the resulting IETF Standard based on this Internet Draft, Nortel Networks will make available licenses under fair, reasonable, reciprocal, and non-discriminatory terms under such necessary claims it owns to fully comply with such resulting IETF Standard. My contact information is set out below. Kind Regards, Michelle Lee Counsel, IP Law Nortel Networks Limited 8200 Dixie Road, Ste 100 GMS 036/NO/151 Brampton, Ontario Canada L6T 5P6 Tel: 905-863-1148 Fax: 905-863-8431 Email: mleelaw@nortel.com