Technology Properties Limited (TPL) [NPE], Phoenix Digital Solutions and Patriot Scientific [NPE] have filed three district court cases against LG Electronics, Nintendo and ZTE that include the patent-in-suit from a complaint recently filed with the ITC.  All three cases include two patents related to high performance, low cost microprocessors in addition to the patent related to variable speed clocking included in the ITC complaint.  The district court complaints allege that handsets and mobile gaming devices made by the defendants infringe the aforementioned three semiconductor related patents.  The corresponding ITC complaint named Acer, Amazon, Barnes & Noble, Garmin, HTC, Huawei, Kyocera, LG Electronics, Nintendo, Novatel Wireless, Samsung, Sierra Wireless and ZTE as defendants. The patents-in-suit were invented by Charles Moore and later assigned to TPL in 2002 and 2003. 7/25, Northern District of California, assigned to Magistrate Judge Paul Singh Grewal, 5:2012cv03876 and 5:2012cv03880, assigned to Magistrate Judge Howard R. Lloyd, 5:2012cv03881.