Generics US generics drug major Mylan (Nasdaq: MYL) has entered into a settlement agreement with Sunovion Pharmaceuticals, a unit of Japanese drugmaker Dainippon Sumitomo Pharma (4506: JP), that will resolve the parties' patent litigation in connection with Mylan Specialty's Abbreviated New Drug Application for levalbuterol hydrochloride inhalation solution, 0.31mg/3mL, 0.63mg/3mL, 1.25g/3mL and 1.25mg/0.5mL, a generic version of Sunovion's Xopenex which is indicated for the treatment or prevention of bronchospasm. 30 May 2012