Fujitsu and Fujitsu Network Communications File Patent Infringement Lawsuit against Tellabs
- Lawsuit asserts that Tellabs’ products infringe four optical communications patents held by Fujitsu -
Tokyo, January, 2008 — Fujitsu Limited and Fujitsu Network Communications, Inc. (“Fujitsu”) announced today that they filed a patent infringement lawsuit on January 29, 2008 (U.S. time) against Tellabs, Inc. and Tellabs Operations, Inc. (“Tellabs”) in the United States District Court for the Eastern District of Texas. Fujitsu seeks monetary damages and an injunction against Tellabs’ future infringement of Fujitsu’s patents.
In its complaint, Fujitsu asserts that Tellabs’ products infringe four of Fujitsu’s U.S. patents covering optical communication technologies. The accused products include the Tellabs 7100 Optical Transport System, Tellabs 5500 series and Tellabs 6300 series. The complaint follows numerous attempts by Fujitsu to engage in cooperative discussions with Tellabs in order to resolve Tellabs’ infringement activities. Since a cooperative resolution could not be reached, Fujitsu determined that litigation was necessary in order to protect Fujitsu’s rights and the value of its intellectual property.
“Fujitsu has been investing heavily for years in research and development and owns approximately 10,000 patents in the field of optical communications around the world,” said Masanobu Katoh, corporate vice president and president of the Law & Intellectual Property Unit of Fujitsu Limited. “In this field, Fujitsu is a leader and has patents that are important to optical communication technologies such as Synchronous Optical Networking (SONET), Synchronous Digital Hierarchy (SDH), and Dense Wavelength Division Multiplexing (DWDM). We consider our intellectual property to be valuable company assets and are committed to protecting and enforcing them.”
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