Nokia Files Patent Complaints Against HTC, Viewsonic, RIM

Nokia said it filed a complaint with the U.S. International Trade Commission against HTC and filed suits against HTC and Viewsonic in the U.S. District Court in Delaware. It also filed suit against HTC and BlackBerry maker RIM in Düsseldorf, Germany, and against all three companies in German regional courts in Mannheim and Munich. The actions involve 45 Nokia patents in total, the Finland-based phone maker said, on technology regarding dual-function antennas, power management for mobile devices and such software features as multitasking, navigation and mobile email.

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