Adam M. Masin

Senior Counsel

  • Office Contact Info
  • Biography

    Adam M. Masin is Senior Counsel in the Hartford office of GRSM and is a member of the Commercial Litigation practice group. Adam has more than two decades of experience litigating nationwide mass torts, product liability claims, and complex business disputes. As national or local counsel, he has handled hundreds of pharmaceutical and medical device lawsuits at every stage of litigation, including JPML proceedings, national and international discovery, Daubert hearings, trials, and appeals. He has also been lead counsel in challenging medical liability lawsuits for a world-class hospital network. Whether as part of a risk assessment, compliance investigation, or litigation, Adam is regularly called on to work with medical and scientific experts on difficult risk identification, liability, and causation issues. In addition to his work with life sciences companies, Adam has handled litigation and investigations relating to asbestos, chemicals, probiotics, food products, automobiles, auto parts, and consumer goods.

    Adam is licensed in New York and Connecticut. He has litigated in state and federal courts throughout the United States and has been lead counsel in cross-border business arbitrations. He has also led international investigations for European and Brazilian companies doing business in the U.S. and regularly advises on FDA, FCPA, OSHA, and NHTSA issues.

    He currently serves as Vice-Chair of the Board of Directors of NEC Society, the leading 501(c)(3) dedicated to the understanding and prevention of neonatal disease necrotizing enterocolitis.


    • New York
    • Connecticut
    • U.S. District Court, Southern, Eastern, and Northern Districts of New York
    • U.S. District Court, District of Connecticut


    • DRI
    • ABA Section of Litigation
    • Connecticut Bar Association
  • Practice Areas
  • Publications & Presentations


    • Co-Author with Anna Cecilia Rostworowski da Costa Buff and Marco Deluiggi of Castro, Barros, Sobral, Gomes Advogados, Going Though The Car Wash, Latin Lawyer,  July 2015


    • Co-Presenter with Bristol Myers Squibb, Social Media Ethics for Pharmaceutical and Medical Device Companies, CLE Webinar, December 2020
    • Presenter, Social Media Ethics for In-House Counsel, US Law Department of international chemical company, CLE Webinar, April 2020
    • Co-Presenter with Dr. Matthew Bizzarro, Medical Director, Neonatal Intensive Care Unit, Yale New Haven Hospital, Probiotics and NEC: What We Learn From Experience Resulting In Litigation, NEC Symposium, University of Michigan, June 2019
    • Co-Presenter with Dr. Jae Kim, Director, Division of Neonatology, Cincinnati Children’s Hospital Medical Center, and Dr. Ravi Patel, Neonatologist, Emory University, Probiotics in the NICU: Considerations Before Routine Use, NEC Society Webinar, April 2019 
    • Presenter, Attorney-Client Privilege for In-House Counsel, US headquarters of global pharmaceutical company, October 2018
    • Co-Presenter with Rodrigo Carril, Chief Compliance Officer, Softline de São Paulo, and Isabel Franco, Sócia de KLA-Koury Lopes Advogados, Corporate Fallout: Compliance, Remediation, and Monitoring Following a Crisis, BRG Brasil/Berkeley Research Group LLC Conference, São Paulo, Brazil, 2017 
  • Education


    J.D., Fordham University School of Law

    • U.S. District Court, Eastern District of New York, U.S. Magistrate Hon. Arlene R. Lindsay, Judicial Intern
    • National Moot Court, Lawrence J. McKay Prize for Excellence in Oral Advocacy

    B.A., University of Wisconsin-Madison