Court Rules Against Sony PlayStation on Patent

A federal court ruling that could force Sony Corp. to pull the plug on its popular PlayStation video game consoles marks the latest in a series of underdog victories in legal disputes over intellectual property. U.S. District Judge Claudia Wilken ordered the Japanese electronics giant not to manufacture, use, sell or import into the United States PlayStations that incorporate so-called force feedback technology developed by San Jose-based Immersion Corp.