Blue Spike [NPE] filed two separate suits against Broadcast Music, Landmark Digital Services, and The Nielson Company, alleging that the defendants’ software, services, and systems related to content monitoring and recognition infringe four patents related to monitoring and analyzing signals.  Blue Spike has filed 30 suits in the Eastern District of Texas this month.  8/30, Eastern District of Texas, no judge yet assigned, 6:2012cv00586; 6:2012cv00587.