Kyle Hoellger
Nov 5, 2013

IBM Accuses Twitter of Patent Infringement

IBM has sent a letter to Twitter just ahead of its looming IPO alleging that the company is infringing on three of its patents. The patents refer to "efficient retrieval of URLs," a "method for presenting advertising in an interactive service," and "programmatic discovery of common contacts."

IBM Alleges Twitter Infringes on 3 Patents
IBM alleges that Twitter infringes on "at least three" of its patents.