T-Rex Property AB has added two more Texas suits to the litigation campaign that it began in June 2012, one against Zipcast (4:15-cv-03170) and one against Muzak, DMX, and MOOD Media (1:15-cv-00980). Three patents are asserted in the campaign (RE39,470, 7,382,334, 6,430,603); the first two relate generally to the real-time display of information on public billboards, while the ‘603 patent relates to advertising on them. The defendants’ electronic billboards are accused of infringement.
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