Atty. Stephen Michael O'Neill

Atty. Stephen Michael O'Neill

Stephen Michael O'Neill is a lawyer practicing appellate practice, commercial litigation, intellectual property litigation and 1 other area of law. Stephen received a B.S. degree from Columbia University in 1988, and has been licensed for 32 years.

New York New York 32 yrs experience 32 year
Call (716) 486-1274 Book Appointment

Profile Summary

About Stephen Michael O'Neill at a glance

Stephen Michael O'Neill is a Member based in New York, New York, practicing at Stephen M. O'neill Esq., PLLC. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on business, ip, litigation, and appellate. Admitted to practice in New York (1994) and Pennsylvania U.S. District Courts and U.S. Bankruptcy Courts, Western and Northern and Districts of (1994). Educated at Tulane University of Louisiana (J.D., 1993) and Columbia University (B.S. Engineering, 1988). Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Stephen Michael O'Neill is a lawyer practicing appellate practice, commercial litigation, intellectual property litigation and 1 other area of law
  • Stephen received a B.S. degree from Columbia University in 1988, and has been licensed for 32 years
  • Stephen practices at Stephen M. O'neill Esq., PLLC in New York, NY

Practice Areas Explained

Stephen Michael O'Neill's Areas of Practice

Each practice area below reflects the types of cases Stephen Michael O'Neill 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.

Stephen Michael O'Neill is one of 501,317 business attorneys indexed nationally. Browse business attorneys in New York →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Stephen Michael O'Neill is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in New York →

Civil Litigation

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

Stephen Michael O'Neill is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in New York →

Appellate Practice

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

Stephen Michael O'Neill 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 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 Stephen Michael O'Neill

Where is Stephen Michael O'Neill's law office located?
Stephen Michael O'Neill's law practice is located in New York, New York. The firm is Stephen M. O'neill Esq., PLLC. You can contact the office directly through this profile page.
What practice areas does Stephen Michael O'Neill handle?
Stephen Michael O'Neill focuses on business, ip, litigation, appellate. Each practice area listed reflects experience handling cases of that type in New York.
How long has Stephen Michael O'Neill practiced law?
Stephen Michael O'Neill has 32+ years of legal experience and has been licensed since 1994.
Where did Stephen Michael O'Neill go to law school?
Stephen Michael O'Neill earned their education at (J.D., 1993); (B.S. Engineering, 1988).
How can I contact Stephen Michael O'Neill for a consultation?
You can contact Stephen Michael O'Neill 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.
Tulane University of Louisiana
- 1993
B.S. Engineering
Columbia University
- 1988

Bar Admissions

New York
Admitted: 1994
Pennsylvania U.S. District Courts and U.S. Bankruptcy Courts, Western and Northern and Districts of
Admitted: 1994

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.