DirecTV, EchoStar, Dish Sued Over Satellite Patent
Northpoint filed an amended complaint against the three companies Wednesday in the U.S. District Court for the Western District of Texas.
The digital television providers have all violated the existing patent in their manufacture, use and sale of low-noise box converters and set-top box products without a proper license, according to the complaint.
DirecTV has known about the patent since June 2001 when it...
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