After nearly five years of litigation, Microsoft is still butting heads with patent holders who filed suit against the Xbox house for patent infringement -- and a U.S. District Court Judge is getting cranky.
In 2004, Peter A. Hochstein and Jeffrey Tenenbaum filed suit against Microsoft and Sony, accusing the companies of infringing on the 1994 patent, "Apparatus and method for electrically connecting remotely located video games." The pair said Microsoft and Sony infringed on the patent with Xbox Live and Sony's gaming network, now known as PlayStation Network.
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Source: Gamasutra