Audet & Partners, LLP reports that a lawsuit has been brought in an Illinois federal court on behalf of an employee trust fund alleging an illegal scheme to deprive the market of generic Opana ER, an extended-release painkiller.  The Pennsylnavia Employees Benefit Trust Fund has accused Endo Pharmaceuticals Inc., and its subsidiary Penwest Pharmaceuticals Co., of orchestrating and implementing a strategy through which Endo essentially paid Impax Laboratories to delay for more than two years its introduction of generic Opana into... Read More