Ah, the patent wars. As you're probably aware, TiVo spent years fighting a big legal battle with EchoStar/Dish Networks over some patents on DVR technology. TiVo won big, and then immediately turned its patent lawyers on some other companies including Verizon. In Verizon's response to TiVo's lawsuit, it went nuclear back, accusing TiVo of violating Verizon's patents on DVR technology -- including a patent that the world's biggest patent hoarding firm, Intellectual Ventures, gave Verizon for...