Atty. David John Colligan

Atty. David John Colligan

David John Colligan is a lawyer practicing corporate law, business succession planning, timber and logging and 2 other areas of law. David received a B.A. degree from State University of New York College at Geneseo in 1974, and has been licensed for 48 years.

Buffalo Buffalo 48 yrs experience 48 year
Call (716) 617-5732 Book Appointment

Profile Summary

About David John Colligan at a glance

David John Colligan is a business attorney based in Buffalo, New York. They have 48+ years of legal experience, licensed to practice since 1978. Admitted to practice in New York (1978) and U.S. District Court, Western District of New York U.S. Supreme Court (1978). Educated at State University of New York at Buffalo (J.D., 1977) and State University of New York College at Geneseo (B.A., 1974). Recognitions include BV Distinguished. Active member of Erie County and New York State Bar Associations. Serands clients in Buffalo, NY and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David John Colligan is a lawyer practicing corporate law, business succession planning, timber and logging and 2 other areas of law
  • David received a B.A. degree from State University of New York College at Geneseo in 1974, and has been licensed for 48 years
  • David practices in Buffalo, NY

Practice Areas Explained

David John Colligan's Areas of Practice

Each practice area below reflects the types of cases David John Colligan 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.

David John Colligan 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 Buffalo 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 Buffalo or all attorneys in New York.

Frequently Asked

Common questions about David John Colligan

Where is David John Colligan's law office located?
David John Colligan's law practice is located in Buffalo, New York. You can contact the office directly through this profile page.
What practice areas does David John Colligan handle?
David John Colligan focuses on business. Each practice area listed reflects experience handling cases of that type in New York.
How long has David John Colligan practiced law?
David John Colligan has 48+ years of legal experience and has been licensed since 1978.
Where did David John Colligan go to law school?
David John Colligan earned their education at (J.D., 1977); (B.A., 1974).
How can I contact David John Colligan for a consultation?
You can contact David John Colligan 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 David John Colligan received?
David John Colligan's notable recognition includes: BV Distinguished.

Education

J.D.
State University of New York at Buffalo
- 1977
B.A.
State University of New York College at Geneseo
- 1974

Awards

BV Distinguished

Bar Admissions

New York
Admitted: 1978
U.S. District Court, Western District of New York U.S. Supreme Court
Admitted: 1978

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