Microsoft, PC Makers Escape Patent Claims In Windows Row

Law360, Los Angeles (July 02, 2013, 10:58 PM ET) -- Microsoft Corp. and several tech companies scored a victory Tuesday in their battle over power savings and management patents held by St. Clair Intellectual Property Consultants Inc. when a Delaware federal judge ruled that some of St. Clair's claims against the companies were time-barred.

St. Clair shirked its duty to examine allegedly infringing pre-2004 versions of Microsoft's Windows operating system by not pursuing litigation as early as April 2000, the judge said. It was then that St. Clair first suspected that Intel Corp. was infringing patents by...
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