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Jan 14

UK Patent Is Essential to the 3G UMTS WCDMA European Standard

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InterDigital announced that the English High Court issued a judgment finding that European Patent (UK) 0,515,610 (the ‘610 patent), owned by InterDigital Technology Corporation, is essential to the 3G UMTS WCDMA European standard promulgated by the European Telecommunications Standards Institute (ETSI) and that this patented invention is infringed by carrying out the method described in the standard. The ‘610 patent relates to open loop power control, a fundamental aspect of 3G technology.

Foreign counterparts having identical or similar claim language to the ‘610 patent have been issued in many parts of the world, including the United States, Canada, Germany, France, Spain, Italy, and Sweden. The judicial determination of essentiality is in addition to Nokia’s withdrawal of its challenge to the essentiality of another patent, European Patent (UK) 0,515,675 relating to pilot codes, effectively conceding that that patent is essential as well.“We are pleased to receive a ruling that the ‘610 patent is essential to the UMTS WCDMA standard,” commented Lawrence F. Shay, Chief Legal Officer for InterDigital.

“Indeed, we believe this is the first ruling by a court of law finding any patent to be essential to the 3G standard. While we believe our patent portfolio includes a number of patents and patent applications that are or may become essential to the UMTS WCDMA standard, having a Court confirm our position on the ‘610 patent after a long and thorough litigation, and coupled with Nokia’s withdrawal of its challenge against another of our patents, provides added strength to our licensing program.”In bringing the action in July 2005, Nokia sought a declaration that 31 of InterDigital’s UMTS patents registered in the UK are not essential to the standard.

Generally, under the ETSI rules, a patent is essential to a standard if the patent cannot be avoided in producing a product compliant with the applicable standard. In addition, the ETSI rules provide that a patent is essential if it claims an invention that is among a limited set of solutions that the manufacturer can choose from in producing a product compliant with the standard, and all such solutions are patented.