Atty. John James Dennehy

Atty. John James Dennehy

John James Dennehy is a lawyer practicing insurance defense, medical malpractice defense, physicians professional liability and 3 other areas of law. John received a B.A. degree from Fordham University in 1991, and has been licensed for 31 years.

Brooklyn Brooklyn 31 yrs experience 31 year
Call (332) 388-8171 Book Appointment

Profile Summary

About John James Dennehy at a glance

John James Dennehy is an U.S. Attorneys Off. Eastern Dist. of N.Y. based in Brooklyn, New York. They have 31+ years of legal experience, licensed to practice since 1995. Their practice focuses on medical malpractice, personal injury, litigation, and insurance. Admitted to practice in New York (1995), U.S. District Court, Southern District of New York (2003), and U.S. District Court, Eastern District of New York (2003). Educated at Fordham University (J.D. Econ., 1994) and Fordham University (B.A. Econ., 1991). Serands clients in Brooklyn, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John James Dennehy is a lawyer practicing insurance defense, medical malpractice defense, physicians professional liability and 3 other areas of law
  • John received a B.A. degree from Fordham University in 1991, and has been licensed for 31 years
  • John practices in Brooklyn, NY

Practice Areas Explained

John James Dennehy's Areas of Practice

Each practice area below reflects the types of cases John James Dennehy 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.

John James Dennehy 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.

John James Dennehy is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in New York →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John James Dennehy is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

John James Dennehy is one of 121,912 insurance attorneys indexed nationally. Browse insurance 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 Brooklyn 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 Brooklyn or all attorneys in New York.

Frequently Asked

Common questions about John James Dennehy

Where is John James Dennehy's law office located?
John James Dennehy's law practice is located in Brooklyn, New York. You can contact the office directly through this profile page.
What practice areas does John James Dennehy handle?
John James Dennehy focuses on medical malpractice, personal injury, litigation, insurance. Each practice area listed reflects experience handling cases of that type in New York.
How long has John James Dennehy practiced law?
John James Dennehy has 31+ years of legal experience and has been licensed since 1995.
Where did John James Dennehy go to law school?
John James Dennehy earned their education at (J.D. Econ., 1994); (B.A. Econ., 1991).
How can I contact John James Dennehy for a consultation?
You can contact John James Dennehy 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. Econ.
Fordham University
- 1994
B.A. Econ.
Fordham University
- 1991

Bar Admissions

New York
Admitted: 1995
U.S. District Court, Southern District of New York
Admitted: 2003
U.S. District Court, Eastern District of New York
Admitted: 2003

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