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Atty. William Leslie Duffy

Atty. William Leslie Duffy

William Leslie Duffy is a lawyer practicing corporate & incorporation. William received a B.A. degree from University of Notre Dame in 1961, and has been licensed for 62 years.

New York New York 62 yrs experience 62 year
Call (332) 699-7090 Book Appointment

Profile Summary

About William Leslie Duffy at a glance

William Leslie Duffy is a formation attorney based in New York, New York. They have 62+ years of legal experience, licensed to practice since 1964. Admitted to practice in New York (1964). Educated at Columbia University (J.D., 1964) and University of Notre Dame (B.A., 1961). Recognitions include AV Preeminent. Serands clients in New York, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Leslie Duffy is a lawyer practicing corporate & incorporation
  • William received a B.A. degree from University of Notre Dame in 1961, and has been licensed for 62 years
  • William practices in New York, NY

Practice Areas Explained

William Leslie Duffy's Areas of Practice

Each practice area below reflects the types of cases William Leslie Duffy handles, with a brief overview of what that area of law covers.

Business Formation

William Leslie Duffy is one of 35,584 formation attorneys indexed nationally. Browse formation 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 William Leslie Duffy

Where is William Leslie Duffy's law office located?
William Leslie Duffy's law practice is located in New York, New York. You can contact the office directly through this profile page.
What practice areas does William Leslie Duffy handle?
William Leslie Duffy focuses on formation. Each practice area listed reflects experience handling cases of that type in New York.
How long has William Leslie Duffy practiced law?
William Leslie Duffy has 62+ years of legal experience and has been licensed since 1964.
Where did William Leslie Duffy go to law school?
William Leslie Duffy earned their education at (J.D., 1964); (B.A., 1961).
How can I contact William Leslie Duffy for a consultation?
You can contact William Leslie Duffy 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 William Leslie Duffy received?
William Leslie Duffy's notable recognition includes: AV Preeminent.

Practice Areas

Education

J.D.
Columbia University
- 1964
B.A.
University of Notre Dame
- 1961

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1964

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