Antitrust Case Filings – United States v. Apple, Inc., Hachette Book Group, Inc., HarperCollins Publishers L.L.C., Verlagsgruppe Georg Von Holtzbrinck GmbH, Holtzbrinck Publishers, LLC d/b/a Macmillan, the Penguin Group, a Division of Pearson PLC, Penguin Group (USA), Inc., and Simon & Schuster, Inc.