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Google, Facebook, Yahoo Sued Over Search Patent

Law360 (November 5, 2007, 12:00 AM EST) -- A lawsuit filed Friday by PA Advisors LLC accused Google Inc., Yahoo Inc., Facebook Inc. and 10 other defendants of infringing a single patent that deals with creating a profile based on a user's linguistic patterns and incorporating that information into Internet searches.

Marshall, Texas-based PA Advisors filed the lawsuit in the U.S. District Court for the Eastern District of Texas. The suit asked for unspecified damages and a permanent injunction.

PA Advisors is asserting U.S. Patent Number 6,199,067. The patent was issued in 2001 and...
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