Mary Bartkus

Mary E. Bartkus is Special Counsel at Hughes Hubbard & Reed LLP. Before joining Hughes Hubbard in 2017, she was Executive Director and Senior Counsel at Merck & Co., Inc., responsible for international arbitration and interational litigation

Mary E. Bartkus is Special Counsel at Hughes Hubbard & Reed LLP, based in New York City, concentrating her practice on international litigation and arbitration. Before joining Hughes Hubbard in 2017, Mary was Executive Director and Senior Counsel to Merck & Co., Inc., responsible for the company's international arbitration, and international litigation including the defense of international multijurisdictional and cross border class, group, and other multi-party litigation and investigations and other complex litigation in many jurisdictions on six continents. She also represented Merck in negotiating and implementing numerous transactions, including joint ventures, partnerships, research collaborations, in-licensing, and other agreements, supporting the research, development, and commercialization of the company’s products.

Mary is a member of the International Centre for Dispute Resolution Panel of Arbitrators, a member of the AAA-ICDR Commercial and Life Sciences Panels of Arbitrators, and a member of the AAA-ICDR Life Sciences Advisory Council. She is Master of the Bench and a Director of the John C. Lifland American Inn of Court, which focuses on intellectual property and federal practice in the United States District Court for the District of New Jersey. She is a member of the New Jersey and New York bars, and is admitted to practice before the United States District Courts for the District of New Jersey, Southern and Eastern Districts of New York, and the District of Columbia; the United States Courts of Appeal for the Second, Third, Federal, District of Columbia, and Ninth Circuits; and the United States Supreme Court.