AT&T Wins Patent Exhaustion Bid In Networking IP Row

Law360, New York (July 15, 2014, 4:16 PM EDT) -- A New Jersey federal judge on Monday tossed out Alberta Telecommunications Research Centre's patent infringement claims against AT&T Corp. that reference the use of Cisco Systems Inc. products, trimming a lawsuit over wireless networking equipment that has ensnared several telecommunications giants.

U.S. District Judge Peter G. Sheridan granted in part AT&T's partial summary judgment for patent exhaustion on U.S. Patent No. 6,404,734. He denied the motion as moot for U.S. Patent No. 7,260,059 because he had previously granted AT&T and other defendants a summary judgment of invalidity on that patent.

AT&T had purchased wireless network technology from Cisco and, like companies...

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