Atty. Thomas P. Duignan

Atty. Thomas P. Duignan

Thomas P. Duignan is a lawyer practicing financial services law.

New York New York 35 yrs experience 35 year
Call (347) 428-0830 Book Appointment

Profile Summary

About Thomas P. Duignan at a glance

Thomas P. Duignan is a Member based in New York, New York, practicing at Otterbourg P.C.. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on business. Admitted to practice in New Jersey (1991), Pennsylvania (1991), and New York (2007). Educated at Widener University (J.D., 1990) and Fairleigh Dickinson University (B.A., 1985). Recognitions include Peer Reviewed. Active member of New Jersey State Bar Association New York State Bar Association American Bar Association (Member, Business Law Section) Commercial Finance Association American College of Commercial Finance Attorneys. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Thomas P. Duignan is a lawyer practicing financial services law
  • Thomas received a B.A. degree from Fairleigh Dickinson University in 1985, and has been licensed for 35 years
  • Thomas practices at Otterbourg P.C. in New York, NY

Practice Areas Explained

Thomas P. Duignan's Areas of Practice

Each practice area below reflects the types of cases Thomas P. Duignan 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.

Thomas P. Duignan is one of 501,317 business attorneys indexed nationally. Browse business 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 Thomas P. Duignan

Where is Thomas P. Duignan's law office located?
Thomas P. Duignan's law practice is located in New York, New York. The firm is Otterbourg P.C.. You can contact the office directly through this profile page.
What practice areas does Thomas P. Duignan handle?
Thomas P. Duignan focuses on business. Each practice area listed reflects experience handling cases of that type in New York.
How long has Thomas P. Duignan practiced law?
Thomas P. Duignan has 35+ years of legal experience and has been licensed since 1991.
Where did Thomas P. Duignan go to law school?
Thomas P. Duignan earned their education at (J.D., 1990); (B.A., 1985).
How can I contact Thomas P. Duignan for a consultation?
You can contact Thomas P. Duignan 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 Thomas P. Duignan received?
Thomas P. Duignan's notable recognition includes: Peer Reviewed.

Practice Areas

Education

J.D.
Widener University
- 1990
B.A.
Fairleigh Dickinson University
- 1985

Awards

Peer Reviewed

Bar Admissions

New Jersey
Admitted: 1991
Pennsylvania
Admitted: 1991
New York
Admitted: 2007

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