Facebook amends S-1 filing to note Yahoo patent suit, Ceglia updates

Facebook today made an update to its S-1 filing with the Securities and Exchange Commission to reflect the recent lawsuit Yahoo filed against the social network and the current status of proceedings with Paul Ceglia who claims partial ownership of Facebook.

Facebook says it intends to “vigorously defend” itself against Yahoo, which is claiming infringement on 10 patents related to advertising, social networking, privacy, customization and messaging. According to the filing, Facebook has not yet asserted any counterclaims or filed an answer to the suit.

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