Atty. John G O'Brien

Atty. John G O'Brien

John G O'Brien is a lawyer practicing business law. John has been licensed for 52 years.

Roseland Roseland 52 yrs experience 52 year
Call (623) 324-2673 Book Appointment

Profile Summary

About John G O'Brien at a glance

John G O'Brien is a business attorney based in Roseland, New Jersey. They have 52+ years of legal experience, licensed to practice since 1974. Admitted to practice in New Jersey (1974) and District of Columbia (1974). Serands clients in Roseland, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John G O'Brien is a lawyer practicing business law
  • John has been licensed for 52 years
  • John practices in Roseland, NJ

Practice Areas Explained

John G O'Brien's Areas of Practice

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

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John G O'Brien is one of 501,317 business attorneys indexed nationally. Browse business 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 Roseland 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 Roseland or all attorneys in New Jersey.

Frequently Asked

Common questions about John G O'Brien

Where is John G O'Brien's law office located?
John G O'Brien's law practice is located in Roseland, New Jersey. You can contact the office directly through this profile page.
What practice areas does John G O'Brien handle?
John G O'Brien focuses on business. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has John G O'Brien practiced law?
John G O'Brien has 52+ years of legal experience and has been licensed since 1974.
How can I contact John G O'Brien for a consultation?
You can contact John G 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.

Practice Areas

Bar Admissions

New Jersey
Admitted: 1974
District of Columbia
Admitted: 1974

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