Microsoft Gets High Court Review on I4i Patent Award

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The U.S. Supreme Court will consider making some patents more vulnerable to legal challenge, agreeing to hear Microsoft Corp.’s appeal in a case that forced changes in the company’s Word software and may cost it $300 million.

Microsoft, fighting a verdict won by closely held I4i LP, says the federal appeals court that handles patent cases is making it too hard for those accused of infringement to argue that a patent never should have been issued and is invalid.