TeleCommunication Systems filed an action for declaratory judgment against Tracbeam [NPE] over two patents related to wireless location techniques. TeleCommunication Systems supplies navigation applications to Verizon. Tracbeam filed suit in February 2011 against AT&T, Google, MetroPCS, Nextel, People’s Wireless, Skyhook, Sprint Nextel, and Verizon Wireless. 9/27, District of Colorado, 1:2011cv02519.
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