In a precedential decision issued Thursday, In Re: Pharmacy Benefit Managers Antitrust Litigation (MDL 1782), the U.S. Court of Appeals for the Third Circuit reinstated a district court order compelling arbitration of antitrust claims, an order which another district court judge vacated after the case was transferred to a federal Multi-District Litigation (MDL)s, Based on the law of the case doctrine, the Court of Appeals held that MDL judges may not overturn an order of the transferor court absent a finding of extraordinary circumstances - a conclusion that has broad ramifications for MDL proceedings in general...… Continue Reading