Sean M. Duffy

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Phone: (516) 394-4200
1370 RXR Plaza
Uniondale, New York 11556

Sean Duffy is a partner at Duffy & Duffy. He began his career in law in 1990 with the law firm of Kramer, Dillof,, as a paralegal and trial assistant to some of the nation’s top medical malpractice attorneys. During this time, Mr. Duffy attended St. John’s University of Law and earned his Juris Doctorate degree in 1996. He was admitted to practice in New York in 1997.

In 1998, Mr. Duffy left Kramer, Dillof to pursue work in other fields before returning to the law to join Duffy & Duffy in 2008.

Mr. Duffy is a member of the New York State Bar Association, the Association of the Bar of the City of New York, the Nassau County Bar Association, and the New York State Academy of Trial Lawyers.

Practice Areas

Medical Malpractice


J.D., St. John’s University of Law, 1996

Professional and Civic Associations

Member, New York State Bar Association
Member, New York State Academy of Trial Lawyers
Member, Association of the Bar of the City of New York
Member, Nassau County Bar Association

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Best Lawyers Award for Duffy & Duffy - US News Best Law Frims
Best Medical Malpractice Lawyer in New York Award from
Case Featured in the New York Post
Duffy & Duffy American Association for Justice Logo - Number 1 Jury Verdict, Chiropractic Malpractice. Duffy & Duffy, PLLC, United States 2022.
Duffy & Duffy Long Island's Leading Lawyers Award Logo