Atty. Stephen A. D'Aunoy

Atty. Stephen A. D'Aunoy

Stephen A. D'Aunoy is a lawyer practicing class actions, business litigation.

St. Louis St. Louis 23 yrs experience 23 year
Call (314) 860-1529 Book Appointment

Profile Summary

About Stephen A. D'Aunoy at a glance

Stephen A. D'Aunoy is an Associate based in St. Louis, Missouri, practicing at Thompson Coburn LLP. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on business, class action, and litigation. Admitted to practice in Missouri U.S. Court of Appeals, Eighth Circuit U.S. District Court, Eastern District of Missouri U.S (2003) and Illinois (2011). Educated at St. Louis University School of Law (J.D., 2003) and Blackburn College (B.A., 2000). Active member of The Missouri Bar. Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Stephen A. D'Aunoy is a lawyer practicing class actions, business litigation
  • Stephen received a B.A. degree from Blackburn College in 2000, and has been licensed for 23 years
  • Stephen practices at Thompson Coburn LLP in St. Louis, MO

Practice Areas Explained

Stephen A. D'Aunoy's Areas of Practice

Each practice area below reflects the types of cases Stephen A. D'Aunoy 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 A. D'Aunoy is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Missouri →

Class Action

Stephen A. D'Aunoy is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Missouri →

Civil Litigation

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

Stephen A. D'Aunoy is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

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

Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about Stephen A. D'Aunoy

Where is Stephen A. D'Aunoy's law office located?
Stephen A. D'Aunoy's law practice is located in St. Louis, Missouri. The firm is Thompson Coburn LLP. You can contact the office directly through this profile page.
What practice areas does Stephen A. D'Aunoy handle?
Stephen A. D'Aunoy focuses on business, class action, litigation. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Stephen A. D'Aunoy practiced law?
Stephen A. D'Aunoy has 23+ years of legal experience and has been licensed since 2003.
Where did Stephen A. D'Aunoy go to law school?
Stephen A. D'Aunoy earned their education at (J.D., 2003); (B.A., 2000).
How can I contact Stephen A. D'Aunoy for a consultation?
You can contact Stephen A. D'Aunoy 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.
St. Louis University School of Law
- 2003
B.A.
Blackburn College
- 2000

Bar Admissions

Missouri U.S. Court of Appeals, Eighth Circuit U.S. District Court, Eastern District of Missouri U.S
Admitted: 2003
Illinois
Admitted: 2011

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.