Aaron J. Marks is an associate at Cohen Milstein and a member of the firm’s Antitrust practice group. In this role, Mr. Marks represents a broad range of individuals and businesses in civil litigation, with a focus on multi-district class actions and antitrust litigation.

Prior to joining Cohen Milstein, Mr. Marks was a Law Clerk for the Honorable Carol Bagley Amon of the United States District Court for the Eastern District of New York.

Before his clerkship, Mr. Marks served as a Litigation Associate at a distinguished international law firm.

Mr. Marks is working on the following high-profile matters:

  • In re Tracleer Antitrust Litigation (D. Md.): Cohen Milstein serves as Co-Lead Counsel in this antitrust action, alleging that Defendant Actelion engaged in an anticompetitive scheme to withhold samples of its life-saving pulmonary arterial hypertension medication from would-be rivals, under the guise of a REMS program, which conduct ultimately delayed generic competition.
  • In re Actos Antitrust Litigation (S.D.N.Y.): Cohen Milstein represents End-Payor Plaintiffs in this antitrust action, alleging that Defendant Takeda engaged in anticompetitive conduct related to the listing of certain patents in the FDA’s Orange Book thereby resulting in unlawful delays to the market entry of generic versions of Takeda’s diabetes drug, Actos.
  • PBM State Investigations: Cohen Milstein serves as Special Counsel to state Attorneys General throughout the United States in their investigation into the billing practices and fee structures of managed care organizations (MCOs) and PBMs in their delivery of services to state-funded health plans.  To date, Cohen Milstein’s work with Attorneys General has resulted in more than $900 million in recoveries on behalf of state Medicaid programs.
  • Ohio Highway Patrol Retirement System (HPRS) v. Express Scripts, Inc. (Franklin C.P., Ohio): Cohen Milstein serves as Special Counsel to the Ohio Attorney General in this breach of contract litigation alleging that Express Scripts, Inc. overcharged HPRS on the pharmaceutical claims that Express Scripts processed as HPRS’s PBM.
  • RealPage Antitrust Litigation (D.C. Super. Ct.): Cohen Milstein represents the District of Columbia Attorney General in a parens patriae antitrust lawsuit against RealPage, Inc. and fourteen of the largest landlords in the District for allegedly colluding to artificially inflate rents throughout the District in violation of the D.C. Antitrust Act.

Mr. Marks received his B.A. from New York University and his J.D., magna cum laude, from Harvard Law School. During law school, he was Online Editor of the Harvard National Security Journal.

Mr. Marks currently serves on the Antitrust & Trade Regulation Committee of the New York City Bar Association. Prior to pursuing a career in law, Mr. Marks was a software engineer.