Atty. Andrew Brian Leonard

Atty. Andrew Brian Leonard

Andrew Brian Leonard is a lawyer practicing personal injury, business litigation, school law and 5 other areas of law. Andrew received a B.S. degree from Miami University in 1975, and has been licensed for 48 years.

Chesterfield Chesterfield 48 yrs experience 48 year
Call (314) 325-9677 Book Appointment

Profile Summary

About Andrew Brian Leonard at a glance

Andrew Brian Leonard is an Equity Partner based in Chesterfield, Missouri, practicing at McCarthy Leonard & Kaemmerer. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on personal injury, criminal defense, family law, business, and workers comp. Admitted to practice in Missouri (1978), U.S. District Court, Eastern and Western Districts of Missouri (1978), and U.S. Tax Court (1979). Educated at University of Missouri at Columbia (J.D., 1978) and Miami University (B.S., 1975). Recognitions include AV Preeminent. Active member of Bar Association of Metropolitan St, Louis St, and Louis County Bar Association The Missouri Bar. Serands clients in Chesterfield, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Andrew Brian Leonard is a lawyer practicing personal injury, business litigation, school law and 5 other areas of law
  • Andrew received a B.S. degree from Miami University in 1975, and has been licensed for 48 years
  • Andrew practices at McCarthy Leonard & Kaemmerer in Chesterfield, MO

Practice Areas Explained

Andrew Brian Leonard's Areas of Practice

Each practice area below reflects the types of cases Andrew Brian Leonard handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Andrew Brian Leonard is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Missouri →

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

Andrew Brian Leonard is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Missouri →

Family Law

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Andrew Brian Leonard is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Missouri →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Andrew Brian Leonard is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Missouri →

Workers Compensation

Workers compensation lawyers help injured workers get medical care, lost wages, and disability benefits. Free consult, no fee unless you win.

Andrew Brian Leonard is one of 55,389 workers comp attorneys indexed nationally. Browse workers comp 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 Chesterfield 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 Chesterfield or all attorneys in Missouri.

Frequently Asked

Common questions about Andrew Brian Leonard

Where is Andrew Brian Leonard's law office located?
Andrew Brian Leonard's law practice is located in Chesterfield, Missouri. The firm is McCarthy Leonard & Kaemmerer. You can contact the office directly through this profile page.
What practice areas does Andrew Brian Leonard handle?
Andrew Brian Leonard focuses on personal injury, criminal defense, family law, business, workers comp. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Andrew Brian Leonard practiced law?
Andrew Brian Leonard has 48+ years of legal experience and has been licensed since 1978.
Where did Andrew Brian Leonard go to law school?
Andrew Brian Leonard earned their education at (J.D., 1978); (B.S., 1975).
How can I contact Andrew Brian Leonard for a consultation?
You can contact Andrew Brian Leonard 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 Andrew Brian Leonard received?
Andrew Brian Leonard's notable recognition includes: AV Preeminent.

Education

J.D.
University of Missouri at Columbia
- 1978
B.S.
Miami University
- 1975

Awards

AV Preeminent

Bar Admissions

Missouri
Admitted: 1978
U.S. District Court, Eastern and Western Districts of Missouri
Admitted: 1978
U.S. Tax Court
Admitted: 1979

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