Atty. Dennis A O'Brien

Atty. Dennis A O'Brien

Dennis A O'Brien is a lawyer practicing real property & environmental, transactional real estate. Dennis received a B.A. degree from University of Pennsylvania in 1973, and has been licensed for 49 years.

Newark Newark 49 Years Experience 49 year
Call (862) 418-2959

Profile Summary

About Dennis A O'Brien at a glance

Dennis A O'Brien is a Co-Chairman based in Newark, New Jersey, practicing at Gibbons P.C.. They have 49+ years of legal experience, licensed to practice since 1977. Their practice focuses on real estate. Admitted to practice in US District Court, District of New Jersey, Pennsylvania (1977), Florida (1978), and New Jersey (2006). Educated at Rutgers University Law School - Camden (J.D., 1977) and University of Pennsylvania (B.A., 1973). Recognitions include AV Preeminent. Active member of New Jersey State Bar Association The Florida Bar. Serves clients in Newark, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Dennis A O'Brien is a lawyer practicing real property & environmental, transactional real estate
  • Dennis received a B.A. degree from University of Pennsylvania in 1973, and has been licensed for 49 years
  • Dennis practices at Gibbons P.C. in Newark, NJ

Practice Areas Explained

Dennis A O'Brien's Areas of Practice

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

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Dennis A O'Brien is one of 286,061 real estate attorneys indexed nationally. Browse real estate attorneys in New Jersey →

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 Newark 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 venue, 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 Newark or all attorneys in New Jersey.

Frequently Asked

Common questions about Dennis A O'Brien

Where is Dennis A O'Brien's law office located?
Dennis A O'Brien's law practice is located in Newark, New Jersey. The firm is Gibbons P.C.. You can contact the office directly through this profile page.
What practice areas does Dennis A O'Brien handle?
Dennis A O'Brien focuses on real estate. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has Dennis A O'Brien practiced law?
Dennis A O'Brien has 49+ years of legal experience and has been licensed since 1977.
Where did Dennis A O'Brien go to law school?
Dennis A O'Brien earned their education at (J.D., 1977); (B.A., 1973).
How can I contact Dennis A O'Brien for a consultation?
You can contact Dennis A 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 Dennis A O'Brien received?
Dennis A O'Brien's notable recognition includes: AV Preeminent.

Education

J.D.
Rutgers University Law School - Camden
- 1977
B.A.
University of Pennsylvania
- 1973

Awards

AV Preeminent

Bar Admissions

US District Court, District of New Jersey, Pennsylvania
Admitted: 1977
Florida
Admitted: 1978
New Jersey
Admitted: 2006

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