ThinkOptics Sues Nintendo Over Remote Control Patents

By Martin Bricketto (September 6, 2011, 12:59 PM EDT) -- ThinkOptics Inc. on Friday sued Nintendo Co. Ltd. in Texas alleging that its Wii gaming products infringe three patents covering infrared sensor-based motion tracking technology.

San Jose, Calif.-based ThinkOptics' complaint also accuses others manufacturers, retailers like Wal-Mart Stores Inc. and gaming companies of making or selling products that infringe the patents at issue, which the plaintiff uses for its Wavit and iWavit remote control devices.

ThinkOptics argues that the companies should have known there was risk of infringement since the U.S. Patent and Trademark Office rejected claims in two Nintendo-assigned patent applications because they were anticipated or otherwise trumped by U.S....

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