Atty. John Patrick O'Brien

Atty. John Patrick O'Brien

John Patrick O'Brien is a lawyer practicing litigation, complex commercial disputes and business law, securities and shareholder litigation and 1 other area of law. John received a degree from Fordham University School of Law, and has been licensed for 17 years.

New York New York 17 Years Experience 17 year
Call (332) 252-0385

Profile Summary

About John Patrick O'Brien at a glance

John Patrick O'Brien is an Associate based in New York, New York, practicing at Dechert LLP. They have 17+ years of legal experience, licensed to practice since 2009. Their practice focuses on business, white collar, and litigation. Admitted to practice in New York (2009). Educated at University of Connecticut School of Law (J.D., 2008) and Fordham University School of Law University of Maryland (B.A., 2005). Serves clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Patrick O'Brien is a lawyer practicing litigation, complex commercial disputes and business law, securities and shareholder litigation and 1 other area of law
  • John received a degree from Fordham University School of Law, and has been licensed for 17 years
  • John practices at Dechert LLP in New York, NY

Practice Areas Explained

John Patrick O'Brien's Areas of Practice

Each practice area below reflects the types of cases John Patrick 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 Patrick O'Brien is one of 452,854 business attorneys indexed nationally. Browse business attorneys in New York →

White Collar Crimes

John Patrick O'Brien is one of 18,196 white collar attorneys indexed nationally. Browse white collar attorneys in New York →

Civil Litigation

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

John Patrick O'Brien is one of 409,070 litigation attorneys indexed nationally. Browse litigation 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 New York 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 venue, 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 New York or all attorneys in New York.

Frequently Asked

Common questions about John Patrick O'Brien

Where is John Patrick O'Brien's law office located?
John Patrick O'Brien's law practice is located in New York, New York. The firm is Dechert LLP. You can contact the office directly through this profile page.
What practice areas does John Patrick O'Brien handle?
John Patrick O'Brien focuses on business, white collar, litigation. Each practice area listed reflects experience handling cases of that type in New York.
How long has John Patrick O'Brien practiced law?
John Patrick O'Brien has 17+ years of legal experience and has been licensed since 2009.
Where did John Patrick O'Brien go to law school?
John Patrick O'Brien earned their education at (J.D., 2008); (B.A., 2005).
How can I contact John Patrick O'Brien for a consultation?
You can contact John Patrick 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.

Education

J.D.
University of Connecticut School of Law
- 2008
B.A.
Fordham University School of Law University of Maryland
- 2005

Bar Admissions

New York
Admitted: 2009

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