Atty. William D Treeby

Atty. William D Treeby

William D Treeby is a lawyer practicing commercial litigation, insurance regulation, administrative law and 4 other areas of law. William received a B.A. degree from Texas Western College in 1964, and has been licensed for 60 years.

New Orleans New Orleans 60 yrs experience 60 year
Call (504) 593-9899 Book Appointment

Profile Summary

About William D Treeby at a glance

William D Treeby is a Member based in New Orleans, Louisiana, practicing at Stone Pigman Walther Wittmann L L C. They have 60+ years of legal experience, licensed to practice since 1966. Their practice focuses on business, class action, litigation, government, and insurance. Admitted to practice in Louisiana (1966). Educated at Tulane University (LL.B., 1966) and Texas Western College (B.A., 1964). Recognitions include AV Preeminent. Serands clients in New Orleans, LA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William D Treeby is a lawyer practicing commercial litigation, insurance regulation, administrative law and 4 other areas of law
  • William received a B.A. degree from Texas Western College in 1964, and has been licensed for 60 years
  • William practices at Stone Pigman Walther Wittmann L.L.C. in New Orleans, LA

Practice Areas Explained

William D Treeby's Areas of Practice

Each practice area below reflects the types of cases William D Treeby 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.

William D Treeby is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Louisiana →

Class Action

William D Treeby is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Louisiana →

Civil Litigation

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

William D Treeby is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Louisiana →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

William D Treeby is one of 132,225 government attorneys indexed nationally. Browse government attorneys in Louisiana →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

William D Treeby is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in Louisiana →

Jurisdictional Context

Why local counsel matters in Louisiana

Practicing law in Louisiana. Legal matters in Louisiana are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New Orleans are typically filed in the local municipal court or the appropriate Louisiana state district court, depending on subject matter and amount in controversy. An attorney licensed in Louisiana 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 Louisiana courts without local counsel or pro hac vice admission.

Looking for additional Louisiana attorneys? Browse all attorneys in New Orleans or all attorneys in Louisiana.

Frequently Asked

Common questions about William D Treeby

Where is William D Treeby's law office located?
William D Treeby's law practice is located in New Orleans, Louisiana. The firm is Stone Pigman Walther Wittmann L L C. You can contact the office directly through this profile page.
What practice areas does William D Treeby handle?
William D Treeby focuses on business, class action, litigation, government, insurance. Each practice area listed reflects experience handling cases of that type in Louisiana.
How long has William D Treeby practiced law?
William D Treeby has 60+ years of legal experience and has been licensed since 1966.
Where did William D Treeby go to law school?
William D Treeby earned their education at (LL.B., 1966); (B.A., 1964).
How can I contact William D Treeby for a consultation?
You can contact William D Treeby 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 D Treeby received?
William D Treeby's notable recognition includes: AV Preeminent.

Education

LL.B.
Tulane University
- 1966
B.A.
Texas Western College
- 1964

Awards

AV Preeminent

Bar Admissions

Louisiana
Admitted: 1966

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