BT sues Steam-powered Valve Software over patent infringement claims
BT files suit after Valve ignores its patent claims over the Steam Library, Chat, Messaging and Broadcasting services

BT sues Valve over claims it infringes four BT patents
BT has turned its legal guns on Valve Software and its Steam gaming service, claiming that the company is infringing the telecoms giant's intellectual property. According to a 111-page legal complaint...
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