Mealey's (December 2, 2020, 8:21 AM EST) -- PHILADELPHIA — A Pennsylvania federal judge on Nov. 20 denied a motion by Merck Sharp & Dohme Corp. to find that three pediatric medical practices have to arbitrate their antitrust claims against the manufacturer and allowed the plaintiffs’ claim to proceed to adjudication on the merits (In Re Rotavirus Vaccines Antitrust Litigation, No. 18-1734, E.D. Pa.)....