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Yahoo! accuses Facebook of patent infringement

SAN FRANCISCO — Yahoo! filed a lawsuit against Facebook on Monday accusing the social networking giant of patent infringement. Yahoo!, in the suit filed in US District Court for the Northern District of California, accused Facebook of infringing on 10 of its patents. “For much of the technology upon which…

Google adds more IBM patents to tech arsenal

SAN FRANCISCO — Google confirmed Thursday that it has added 1,023 more IBM patents to its technology arsenal to fend off legal attacks by rivals such as Apple and Microsoft. The purchases added to the 1,000 or so patents the California-based Internet firm bought from IBM in July and reportedly…