Mr. Duffy is a litigator and a member of the Laboratory Defense Team, a part of the firm's comprehensive products liability practice. For more than two decades, Mr. Duffy has defended clinical laboratories and other healthcare providers and institutions in litigation arising out of gynecologic, skin, breast and other cancers; neurological birth defects; chromosomal abnormalities; blood disorders; genetic diseases; wrongful birth; terminations of pregnancy; and drug abuse. Mr. Duffy has represented the entire range of laboratory and other healthcare professionals and para-professionals, including pathologists, cytotechnologists and lab technicians, on behalf of major clinical laboratories and smaller entities, in matters involving the disciplines of cytology, pathology and cytogenetics, as well as general laboratory testing in the areas of chemistry, hematology and toxicology. Mr. Duffy has also represented doctors, nurses, therapists and hospitals in a variety of medical negligence matters. He has been most involved in the defense of labs in Pap and cytogenetics litigations and has litigated these matters in numerous states, including New Jersey, New York, Pennsylvania, and Texas. Mr. Duffy is recognized among New Jersey's leading lawyers in the area of medical malpractice defense litigation by New Jersey Super Lawyers.

Mr. Duffy is also a frequent lecturer in the area of medico-legal risk management and other issues in cytopathology, prenatal genetic testing, and other women's health issues. He has been an invited speaker and delivered numerous presentations to cytopathology organizations, medical societies, and groups around the country, including the Harvard Medical School Department of Continuing Education.

He is also a founding member of the firm's Electronic Discovery & Information Management Counseling Task Force. He is certified in E-Discovery Best Practices, and frequently advises clients on document retention and E-Discovery best practices, and participates in seminars and symposia on these issues. Mr. Duffy is also a member of the Defense Research Institute's Electronic Discovery Committee.

While at Seton Hall Law, Mr. Duffy was a member of the Editorial Board of the Seton Hall Constitutional Law Journal and served as an intern to the Honorable Nicholas H. Politan, United States District Judge for the District of New Jersey. Upon graduation, Mr. Duffy served as a judicial clerk to the Honorable Joseph T. Ryan, Judge of the Superior Court of New Jersey, Law Division, Hudson County. Upon the conclusion of his clerkship in 1993, Mr. Duffy practiced for several years in the areas of medical malpractice and products liability.


  • Seton Hall University School of Law (J.D., cum laude)
    • Editorial Board, Seton Hall Constitutional Law Journal
  • Rutgers University (B.A.)

Professional Activities

State of New Jersey, Office of the Courts
Certified Mediator

District VB (Suburban Essex)
Ethics Committee, September 2003

Essex County Bar Association

Morris County Bar Association

New Jersey State Bar Association

American Bar Association

Federal Bar Association

Defense Research Institute
Member, Electronic Discovery Committee

Chair, Annual Meeting, Electronic Discovery Committee

Gibbons E-Discovery Law Alert blog (www.ediscoverylawalert.com)
Editorial Board

Professional Admissions

  • State of New Jersey
  • State of New York
  • Commonwealth of Pennsylvania
  • United States District Court for the District of New Jersey
  • United States District Court for the Northern District of New York

Judicial Clerkship(s)

Judicial clerk to the Honorable Joseph T. Ryan, Superior Court of New Jersey, Law Division, Hudson County

Intern to the Honorable Nicholas H. Politan, United States District Judge for the District of New Jersey

Publications & Features


Named to the Irish Legal 100, 2011, 2012, 2013, 2014, 2015, 2016

Selected to the New Jersey Super Lawyers list, Business Litigation

Listed in Best Lawyers®, Product Liability Litigation – Defendants

No aspect of this advertisement has been approved by the Supreme Court of New Jersey. A description of the selection process methodology for the awards referenced is available at gibbonslaw.com/awards/.

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