Atty. Sean Michael Duffy

Atty. Sean Michael Duffy

Sean Michael Duffy is a lawyer practicing medical malpractice, personal injury, advertising and 1 other area of law. Sean has been licensed for 29 years.

Uniondale Uniondale 29 yrs experience 29 year
Call (363) 208-0231 Book Appointment

Profile Summary

About Sean Michael Duffy at a glance

Sean Michael Duffy is a Partner based in Uniondale, New York, practicing at Duffy & Duffy, PLLC. They have 29+ years of legal experience, licensed to practice since 1997. Their practice focuses on medical malpractice, personal injury, tbi/sci, and entertainment. Admitted to practice in New York (1997). Educated at St. John's University of Law (J.D., 1996). Serands clients in Uniondale, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sean Michael Duffy is a lawyer practicing medical malpractice, personal injury, advertising and 1 other area of law
  • Sean has been licensed for 29 years
  • Sean practices at Duffy & Duffy, PLLC in Uniondale, NY

Practice Areas Explained

Sean Michael Duffy's Areas of Practice

Each practice area below reflects the types of cases Sean Michael Duffy handles, with a brief overview of what that area of law covers.

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

Sean Michael Duffy is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in New York →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Sean Michael Duffy is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in New York →

Brain & Spinal Cord Injury

Sean Michael Duffy is one of 10,267 tbi/sci attorneys indexed nationally. Browse tbi/sci attorneys in New York →

Entertainment & Sports Law

Entertainment lawyers for music, film, sports contracts, talent representation, and IP licensing.

Sean Michael Duffy is one of 45,946 entertainment attorneys indexed nationally. Browse entertainment attorneys in New York →

Jurisdictional Context

Why local counsel matters in New York

Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Uniondale are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.

Looking for additional New York attorneys? Browse all attorneys in Uniondale or all attorneys in New York.

Frequently Asked

Common questions about Sean Michael Duffy

Where is Sean Michael Duffy's law office located?
Sean Michael Duffy's law practice is located in Uniondale, New York. The firm is Duffy & Duffy, PLLC. You can contact the office directly through this profile page.
What practice areas does Sean Michael Duffy handle?
Sean Michael Duffy focuses on medical malpractice, personal injury, tbi/sci, entertainment. Each practice area listed reflects experience handling cases of that type in New York.
How long has Sean Michael Duffy practiced law?
Sean Michael Duffy has 29+ years of legal experience and has been licensed since 1997.
Where did Sean Michael Duffy go to law school?
Sean Michael Duffy earned their education at (J.D., 1996).
How can I contact Sean Michael Duffy for a consultation?
You can contact Sean Michael Duffy directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
St. John's University of Law
- 1996

Bar Admissions

New York
Admitted: 1997

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