Guardian Media Technologies [NPE] filed suit against Manufacturers Avanzadas SA de CV, TCL, TCL Multimedia Holdings, and TTE, alleging that the defendants’ televisions, DVRs, set-top boxes, and handheld devices infringe an expired patent related to automatically censoring video programs.  Guardian Media Technologies has filed over 40 prior suits since March 2006 and has been subject to eight actions for declaratory judgment brought by Apple, Cisco, DIRECTV, Echostar, Matsushita Electric, Mitsubishi, Sony, and Thomson.  The patent-in-suit originated with Zap TV Pty. Ltd and was assigned to Guardian Media Technologies in December 2003.  7/12, Eastern District of Texas, no judge yet assigned, 6:2012cv00448.