Mealey's (August 30, 2018, 12:38 PM EDT) -- ALEXANDRIA, Va. — An Amneal Pharmaceuticals LLC challenge to a patent covering the dermatologic drug dapsone will proceed before the Patent Trial and Appeal Board, which instituted inter partes review on Aug. 29 (Amneal Pharmaceuticals LLC, et al. v. Allergan Inc., No. IPR2018-00608, PTAB)....