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Google Defeats Document Retrieval Patent Lawsuit

Google Inc., the world’s largest Internet-search provider, won a lawsuit accusing it of infringing patents on technology for retrieving documents.

Personalized User Model LLP’s two patents at issue in a trial were found to be invalid by a federal court jury that deliberated about seven hours in Wilmington, Delaware. Personalized, based in New York, sued Mountain View, California-based Google in 2009, contending it misappropriated the patents for “personalized search” and “personalized advertising” technology on its website.

Jurors agreed with Google that the patents, awarded in 2005 and 2008, were invalid because the inventions were obvious and weren’t new.

“This is a great outcome that the jury worked hard to get right,” Matt Kallman, a spokesman for Google, said in an e-mail.

Marc S. Friedman, a lawyer for Personalized, didn’t immediately respond to a phone message seeking comment on the verdict.

U.S. District Judge Leonard P. Stark supervised the trial.

Google reported revenue of $59.8 billion last year.

The case is Personalized User Model LLP v. Google Inc., 09-cv-00525, U.S. District Court, District of Delaware (Wilmington).

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