AIM IP[NPE] filed seven separate suits against Altigen Communications, Dialogic, Gigaset Communications, Network Equipment Technologies, Polycom, UTStarcom and ZyXEL Communications, alleging that the defendants’ VoIP products that “support or utilize a system for coding and/or decoding feature vectors of a signal according to the G.729B standard” infringe a patent related to signal compression. AIM IP has filed one prior suits since April 2011 against Avaya, Cisco, D-Link, GrandstreamNetworks, Hellosoft, HP, Mitel Networks, Skype, and Sonus Networks involving the same patent. The patent-in-suit originated with Rockwell International Corporation, which assigned the patent to its semiconductor division Conexant Systems in December 1998. In January 1999 Conexant Systems was spun-out and became an independent semiconductor business.In October 2010, Conexant Systems assigned the patent-in-suit to AIM IP. RPX reviewed the patent-in-suit in the open market in January 2011 (AIM 1 – Acq). 6/7, Central District of California, Magistrate Judge Robert N. Block, 8:2012cv00904, 8:2012cv00905 8:2012cv00908, Magistrate Judge Jean P Rosenbluth, 8:2012cv00906, 8:2012cv00911, Magistrate Judge Marc L. Goldman, 8:2012cv00910, Magistrate Judge Arthur Nakazato, 8:2012cv00912.
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