Mary E. Bartkus

Mary E. Bartkus served as Executive Director and Senior Counsel, International Litigation for Merck & Co., Inc. She has represented Merck in matters before government agencies, courts and other tribunals throughout the world in product liability, antitrust, and other complex matters including international arbitration, class, representative, group and cross-border litigation. She also served as Merck’s lead counsel on pharmaceutical in-licensing transactions and on joint venture and licensing relationships; and as lead in-house counsel on an international multi-jurisdictional joint venture transaction and on the defense and implementation of a pharmaceutical inventory management system in the European Union. Mary is a Master of the Bench of the John C. Lifland American Inn of Court, an Inn focused on intellectual property and federal practice, served as a Director of the Inn from 2019-2023, and is a member of the Inn’s Executive Board. She also is a member of the panel of arbitrators of the International Centre for Dispute Resolution, the international division of the American Arbitration Association, and a member of the AAA’s Life Sciences Panel. Before joining Merck in 1995, Mary was in private practice, concentrating on intellectual property, unfair competition, business tort, and other complex litigation in the federal courts. View Mary’s CV.