Atty. Dirk Deyong

Atty. Dirk Deyong

Dirk Deyong is a lawyer practicing governmental institutions, business transactions, litigation. Dirk received a B.S. degree from Kansas State University in 1988, and has been licensed for 35 years.

St. Louis St. Louis 35 yrs experience 35 year
Call (314) 408-3130 Book Appointment

Profile Summary

About Dirk Deyong at a glance

Dirk Deyong is a business and litigation attorney based in St. Louis, Missouri. They have 35+ years of legal experience, licensed to practice since 1991. Admitted to practice in Missouri (1991) and Illinois U.S. District Court, Eastern District of Missouri U.S. Court of Appeals, Eighth Circuit (1992). Educated at University of Missouri at Columbia (J.D., 1991) and Kansas State University (B.S., 1988). Recognitions include AV Preeminent. Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Dirk Deyong is a lawyer practicing governmental institutions, business transactions, litigation
  • Dirk received a B.S. degree from Kansas State University in 1988, and has been licensed for 35 years
  • Dirk practices in St. Louis, MO

Practice Areas Explained

Dirk Deyong's Areas of Practice

Each practice area below reflects the types of cases Dirk Deyong 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.

Dirk Deyong is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Missouri →

Civil Litigation

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

Dirk Deyong 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 Dirk Deyong

Where is Dirk Deyong's law office located?
Dirk Deyong's law practice is located in St. Louis, Missouri. You can contact the office directly through this profile page.
What practice areas does Dirk Deyong handle?
Dirk Deyong focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Dirk Deyong practiced law?
Dirk Deyong has 35+ years of legal experience and has been licensed since 1991.
Where did Dirk Deyong go to law school?
Dirk Deyong earned their education at (J.D., 1991); (B.S., 1988).
How can I contact Dirk Deyong for a consultation?
You can contact Dirk Deyong 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 Dirk Deyong received?
Dirk Deyong's notable recognition includes: AV Preeminent.

Education

J.D.
University of Missouri at Columbia
- 1991
B.S.
Kansas State University
- 1988

Awards

AV Preeminent

Bar Admissions

Missouri
Admitted: 1991
Illinois U.S. District Court, Eastern District of Missouri U.S. Court of Appeals, Eighth Circuit
Admitted: 1992

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