Atty. Thomas S. O'Brien

Atty. Thomas S. O'Brien

Thomas S. O'Brien is a lawyer.

Hackensack Hackensack 76 yrs experience 76 year
Call (917) 814-3582 Book Appointment

Profile Summary

About Thomas S. O'Brien at a glance

Thomas S. O'Brien is a Supr. Ct. J., State Supr. Ct., Appl. Div. based in Hackensack, New Jersey. They have 76+ years of legal experience, licensed to practice since 1950. Admitted to practice in New Jersey (1950) and New York (1984). Serands clients in Hackensack, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Thomas S. O'Brien is a lawyer
  • Thomas S. has been licensed for 76 years
  • Thomas S. practices in Hackensack, NJ

Jurisdictional Context

Why local counsel matters in New Jersey

Practicing law in New Jersey. Legal matters in New Jersey are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Hackensack are typically filed in the local municipal court or the appropriate New Jersey state district court, depending on subject matter and amount in controversy. An attorney licensed in New Jersey 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 Jersey courts without local counsel or pro hac vice admission.

Looking for additional New Jersey attorneys? Browse all attorneys in Hackensack or all attorneys in New Jersey.

Frequently Asked

Common questions about Thomas S. O'Brien

Where is Thomas S. O'Brien's law office located?
Thomas S. O'Brien's law practice is located in Hackensack, New Jersey. You can contact the office directly through this profile page.
How long has Thomas S. O'Brien practiced law?
Thomas S. O'Brien has 76+ years of legal experience and has been licensed since 1950.
How can I contact Thomas S. O'Brien for a consultation?
You can contact Thomas S. O'Brien 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.

Bar Admissions

New Jersey
Admitted: 1950
New York
Admitted: 1984

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