Patent wars escalate on several fronts

04/13/2012 | Wall Street Journal, The ·

As Apple and its rivals continue to engage in cutthroat patent litigation over even the most modest wireless features, so-called "non practicing entities" are bringing more lawsuits against smartphone manufacturers, according to two separate reports. A Texas shell company has sued Apple and Research in Motion in federal court, saying they stole patents for basic cellphone features such as tapping, scrolling and dragging.

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Wall Street Journal, The ·

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