High Court Eyes Invalidity In $290M Microsoft Case

Law360, New York (April 18, 2011, 7:34 PM EDT) -- In a case with the potential to reshape the law on patent invalidity, U.S. Supreme Court justices on Monday pressed attorneys for Microsoft Corp. about its arguments for lowering the evidentiary standard needed to invalidate patents.

Microsoft, which is appealing a $290 million infringement verdict against it in a case brought by i4i LP, is asking the high court to change the standard for proving a patent invalid so that only a preponderance of the evidence is needed, rather than the clear and convincing evidence standard...
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