Atty. Patrick J O'Sullivan

Atty. Patrick J O'Sullivan

Patrick J O'Sullivan is a lawyer practicing criminal defense, dui & dwi, catastrophic injury and 6 other areas of law. Patrick received a B.S. degree from Daemen College in 1985, and has been licensed for 33 years.

Cazenovia Cazenovia 33 yrs experience 33 year
Call (680) 244-7376 Book Appointment

Profile Summary

About Patrick J O'Sullivan at a glance

Patrick J O'Sullivan is a dui/dwi, medical malpractice, personal injury, criminal defense, and product liability attorney based in Cazenovia, New York. They have 33+ years of legal experience, licensed to practice since 1993. Admitted to practice in New Jersey (1993), New York (1994), and U.S. District Court, Northern District of New York (1994). Educated at Thomas M. Cooley Law School (J.D., 1993) and Daemen College (B.S. Biology, 1985). Recognitions include BV Distinguished. Serands clients in Cazenovia, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Patrick J O'Sullivan is a lawyer practicing criminal defense, dui & dwi, catastrophic injury and 6 other areas of law
  • Patrick received a B.S. degree from Daemen College in 1985, and has been licensed for 33 years
  • Patrick practices in Cazenovia, NY

Practice Areas Explained

Patrick J O'Sullivan's Areas of Practice

Each practice area below reflects the types of cases Patrick J O'Sullivan handles, with a brief overview of what that area of law covers.

DUI / DWI Defense

Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.

Patrick J O'Sullivan is one of 29,976 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in New York →

Medical Malpractice

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

Patrick J O'Sullivan 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.

Patrick J O'Sullivan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in New York →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Patrick J O'Sullivan is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New York →

Product Liability

Patrick J O'Sullivan is one of 66,193 product liability attorneys indexed nationally. Browse product liability 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 Cazenovia 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 Cazenovia or all attorneys in New York.

Frequently Asked

Common questions about Patrick J O'Sullivan

Where is Patrick J O'Sullivan's law office located?
Patrick J O'Sullivan's law practice is located in Cazenovia, New York. You can contact the office directly through this profile page.
What practice areas does Patrick J O'Sullivan handle?
Patrick J O'Sullivan focuses on dui/dwi, medical malpractice, personal injury, criminal defense, product liability. Each practice area listed reflects experience handling cases of that type in New York.
How long has Patrick J O'Sullivan practiced law?
Patrick J O'Sullivan has 33+ years of legal experience and has been licensed since 1993.
Where did Patrick J O'Sullivan go to law school?
Patrick J O'Sullivan earned their education at (J.D., 1993); (B.S. Biology, 1985).
How can I contact Patrick J O'Sullivan for a consultation?
You can contact Patrick J O'Sullivan 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.
What awards or recognition has Patrick J O'Sullivan received?
Patrick J O'Sullivan's notable recognition includes: BV Distinguished.

Education

J.D.
Thomas M. Cooley Law School
- 1993
B.S. Biology
Daemen College
- 1985

Awards

BV Distinguished

Bar Admissions

New Jersey
Admitted: 1993
New York
Admitted: 1994
U.S. District Court, Northern District of New York
Admitted: 1994

Reviews

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