Facebook Countersues Yahoo

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Tit for tat, Facebook on Tuesday filed to countersue Yahoo, following Yahoo’s original decision to sue Facebook in mid March for allegedly infringing 10 patents related to social networking. Facebook is now accusing Yahoo of infringing on 10 of its patents, specifically that the infringement occurs in Yahoo’s most popular services: Yahoo’s homepage, Yahoo News, Finance, Sports etc., as well as the photo-sharing website Flickr.

“From the outset, we said we would defend ourselves vigorously against Yahoo’s lawsuit, and today we filed our answer as well as counter-claims against Yahoo for infringing ten of Facebook’s patents,” said Ted Ullyot, Facebook’s attorney, in a statement emailed to TPM. “While we are asserting patent claims of our own, we do so in response to Yahoo’s short-sighted decision to attack one of its partners and prioritize litigation over innovation.”

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