Andrew O’Connor

Andrew O’Connor is a co-leader of Ropes & Gray’s Health Care and Life Sciences Industry Group and based in its Boston office. He represents clients in high-stakes government investigations and civil litigation, and has represented many well-known companies facing major US Department of Justice (DOJ) and state attorney general investigations, class actions, and False Claims Act (FCA) litigation. Mr. O’Connor has a proven track record helping clients navigate high-profile legal matters. He recently played a lead role in a multidistrict litigation involving more than 3,000 state and federal cases across the country that culminated in a nationwide resolution with 50 state and territory attorneys general and hundreds of civil plaintiffs. Mr. O’Connor’s matters have been the subject of extensive reporting in The Washington Post, The New York Times, The Wall Street Journal, and industry press.

Mr. O’Connor’s practice spans civil and criminal matters involving the FCA, fraud statutes, anti-kickback laws, US Food and Drug Administration regulations, the Controlled Substances Act, insurance billing rules, the Foreign Corrupt Practices Act, and federal securities laws. He has successfully litigated complex civil cases on behalf of clients in state and federal court at both the district and appellate levels. He has played lead roles in defending clients against potential enforcement actions by the DOJ, state attorneys general, and federal regulatory agencies. He has also led internal investigations on a national and international scale.

Bio last updated in September 2022.