Twitter Faces Infringement Claims From IBM As IPO Looms

Law360, New York (November 4, 2013, 4:40 PM EST) -- Twitter Inc., which is preparing to take its operations public this month, revealed on Monday that IBM Corp. has accused the social media titan of infringing three of its patents and has sought to begin business negotiations to resolve the allegations.

The company made the revelation in an amended S-1 filing to the U.S. Securities and Exchange Commission. Twitter said that, by its own analysis, IBM did not appear to have a strong infringement case for the three patents but stressed that a victory in legal...
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