Mark A. Lemley, Brief of Intellectual Property Law Professors as Amici Curiae in Support of Rehearing, Amgen Inc., et al., Plaintiffs-Appellants, v. Sanofi, Aventisub LLC, fka Aventis Pharmaceuticals Inc., Defendants-Appellees, no. 20-01074 in the United States Court of Appeals for the Federal Circuit (April 28, 2021).