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AP
Rockstar is a company owned by $4, $4, Blackberry, Ericsson and Sony. Google actually tried to the patents itself, $4 then raising the price to as much as $4.4 billion. But it $4
The loss spurred Google to buy Motorola Mobility for $12.5 billion, $4.
These vendors would love it if judges would declare their competitors products in violation of patents and $4. If not that, they hope they can make their competitors $4.
It's all a legal game to make the other company's smartphone cost more.