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Yahoo claims Facebook bought patents to countersue it

John Ribeiro | April 30, 2012
Facebook purchased in the last five months eight of ten patents it has cited in a counterclaim to a patent infringement lawsuit filed by Yahoo, and several were purchased after Yahoo filed the suit, the Internet portal claimed in a filing on Friday before a federal court.

Facebook could not be immediately reached for comment.

Yahoo has also alleged that Facebook has infringed two other patents. The first patent called: "System and method to determine the validity of and interaction on a network," bearing U.S. Patent No. 7,933,903, was issued by the U.S. Patent and Trademark Office to Yahoo in April, 2011, while the other U.S. Patent No. 7,698,315, titled "System and method allowing advertisers to manage search listings in a pay for placement search system using grouping," was issued by the USPTO on April 13, 2010.

John Ribeiro covers outsourcing and general technology breaking news from India for The IDG News Service. Follow John on Twitter at @Johnribeiro. John's e-mail address is john_ribeiro@idg.com

 

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