Atty. Robert W. O'Brien

Atty. Robert W. O'Brien

Robert W. O'Brien is a lawyer practicing general practice, appeals, government and 1 other area of law.

Valley Stream Valley Stream 47 yrs experience 47 year
Call (363) 205-8078 Book Appointment

Profile Summary

About Robert W. O'Brien at a glance

Robert W. O'Brien is a Member based in Valley Stream, New York, practicing at Nizza & O'Brien. They have 47+ years of legal experience, licensed to practice since 1979. Their practice focuses on government and appellate. Admitted to practice in New York (1979), U.S. District Court, Eastern and Southern Districts of New York (1979), Florida (1980), and Pennsylvania (1989). Educated at St. John's University (J.D., 1978) and Lafayette College (A.B., 1976). Recognitions include AV Preeminent. Active member of Nassau County, New York State and American Bar Associations The Florida Bar The Association of Trial Lawyers of America. Serands clients in Valley Stream, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Robert W. O'Brien is a lawyer practicing general practice, appeals, government and 1 other area of law
  • Robert received a A.B. degree from Lafayette College in 1976, and has been licensed for 47 years
  • Robert practices at Nizza & O'Brien in Valley Stream, NY

Practice Areas Explained

Robert W. O'Brien's Areas of Practice

Each practice area below reflects the types of cases Robert W. O'Brien handles, with a brief overview of what that area of law covers.

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Robert W. O'Brien is one of 132,225 government attorneys indexed nationally. Browse government attorneys in New York →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Robert W. O'Brien is one of 86,319 appellate attorneys indexed nationally. Browse appellate 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 Valley Stream 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 Valley Stream or all attorneys in New York.

Frequently Asked

Common questions about Robert W. O'Brien

Where is Robert W. O'Brien's law office located?
Robert W. O'Brien's law practice is located in Valley Stream, New York. The firm is Nizza & O'Brien. You can contact the office directly through this profile page.
What practice areas does Robert W. O'Brien handle?
Robert W. O'Brien focuses on government, appellate. Each practice area listed reflects experience handling cases of that type in New York.
How long has Robert W. O'Brien practiced law?
Robert W. O'Brien has 47+ years of legal experience and has been licensed since 1979.
Where did Robert W. O'Brien go to law school?
Robert W. O'Brien earned their education at (J.D., 1978); (A.B., 1976).
How can I contact Robert W. O'Brien for a consultation?
You can contact Robert W. 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.
What awards or recognition has Robert W. O'Brien received?
Robert W. O'Brien's notable recognition includes: AV Preeminent.

Education

J.D.
St. John's University
- 1978
A.B.
Lafayette College
- 1976

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1979
U.S. District Court, Eastern and Southern Districts of New York
Admitted: 1979
Florida
Admitted: 1980
Pennsylvania
Admitted: 1989

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