By Emily Poole
At the same time Twitter announced that it will raise its IPO price range to $20-25 per share, it revealed the contents of a letter received from IBM. In the letter, IBM claims that Twitter is infringing on at least three of IBM’s patents. The wording of the letter, however, suggests that IBM is after a settlement agreement rather than a trial. Twitter, a company that owns just nine of its own patents—an anomaly in a field where most tech giants hold the upward of thousands of patents—appears ready to defend itself from the claim.
