Atty. Liam O'Brien

Atty. Liam O'Brien

Liam O'Brien is a lawyer practicing commercial, litigation, securities / investment fraud and 5 other areas of law. Liam received a B.A. degree from Fordham University in 1988, and has been licensed for 34 years.

New York New York 34 yrs experience 34 year
Call (332) 209-5697 Book Appointment

Profile Summary

About Liam O'Brien at a glance

Liam O'Brien is a Partner based in New York, New York, practicing at McCormick & O'Brien, LLP. They have 34+ years of legal experience, licensed to practice since 1992. Their practice focuses on formation, business, securities, litigation, and consumer. Admitted to practice in New York (1992), U.S. District Court, Southern District of New York (1992), and U.S. District Court, Eastern District of New York (1992). Educated at Fordham University (J.D., 1991) and Fordham University (B.A., 1988). Recognitions include Peer Reviewed. Active member of American Bar Association. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Liam O'Brien is a lawyer practicing commercial, litigation, securities / investment fraud and 5 other areas of law
  • Liam received a B.A. degree from Fordham University in 1988, and has been licensed for 34 years
  • Liam practices at McCormick & O'Brien, LLP in New York, NY

Practice Areas Explained

Liam O'Brien's Areas of Practice

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

Business Formation

Liam O'Brien is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in New York →

Business & Corporate Law

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

Liam O'Brien is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Securities Law

Liam O'Brien is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in New York →

Civil Litigation

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

Liam O'Brien is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

Liam O'Brien is one of 50,607 consumer attorneys indexed nationally. Browse consumer 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 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 New York or all attorneys in New York.

Frequently Asked

Common questions about Liam O'Brien

Where is Liam O'Brien's law office located?
Liam O'Brien's law practice is located in New York, New York. The firm is McCormick & O'Brien, LLP. You can contact the office directly through this profile page.
What practice areas does Liam O'Brien handle?
Liam O'Brien focuses on formation, business, securities, litigation, consumer. Each practice area listed reflects experience handling cases of that type in New York.
How long has Liam O'Brien practiced law?
Liam O'Brien has 34+ years of legal experience and has been licensed since 1992.
Where did Liam O'Brien go to law school?
Liam O'Brien earned their education at (J.D., 1991); (B.A., 1988).
How can I contact Liam O'Brien for a consultation?
You can contact Liam 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 Liam O'Brien received?
Liam O'Brien's notable recognition includes: Peer Reviewed.

Education

J.D.
Fordham University
- 1991
B.A.
Fordham University
- 1988

Awards

Peer Reviewed

Bar Admissions

New York
Admitted: 1992
U.S. District Court, Southern District of New York
Admitted: 1992
U.S. District Court, Eastern District of New York
Admitted: 1992

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