Atty. John L. Sullivan

Atty. John L. Sullivan

John L. Sullivan is a lawyer practicing criminal, civil trial, environmental and 3 other areas of law.

St. Louis St. Louis 47 yrs experience 47 year
Call (314) 274-9740 Book Appointment

Profile Summary

About John L. Sullivan at a glance

John L. Sullivan is a criminal defense, business, litigation, and environmental attorney based in St. Louis, Missouri. They have 47+ years of legal experience, licensed to practice since 1979. Admitted to practice in District of Columbia (1979), Missouri (1981), and Illinois (1990). Educated at Georgetown University (J.D., 1975) and Massachusetts Institute of Technology (B.S., 1972). Recognitions include AV Preeminent. Serands clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John L. Sullivan is a lawyer practicing criminal, civil trial, environmental and 3 other areas of law
  • John received a B.S. degree from Massachusetts Institute of Technology in 1972, and has been licensed for 47 years
  • John practices in St. Louis, MO

Practice Areas Explained

John L. Sullivan's Areas of Practice

Each practice area below reflects the types of cases John L. Sullivan handles, with a brief overview of what that area of law covers.

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.

John L. Sullivan is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Missouri →

Business & Corporate Law

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

John L. Sullivan 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.

John L. Sullivan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Missouri →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

John L. Sullivan is one of 56,434 environmental attorneys indexed nationally. Browse environmental 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 John L. Sullivan

Where is John L. Sullivan's law office located?
John L. Sullivan's law practice is located in St. Louis, Missouri. You can contact the office directly through this profile page.
What practice areas does John L. Sullivan handle?
John L. Sullivan focuses on criminal defense, business, litigation, environmental. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has John L. Sullivan practiced law?
John L. Sullivan has 47+ years of legal experience and has been licensed since 1979.
Where did John L. Sullivan go to law school?
John L. Sullivan earned their education at (J.D., 1975); (B.S., 1972).
How can I contact John L. Sullivan for a consultation?
You can contact John L. Sullivan 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 John L. Sullivan received?
John L. Sullivan's notable recognition includes: AV Preeminent.

Education

J.D.
Georgetown University
- 1975
B.S.
Massachusetts Institute of Technology
- 1972

Awards

AV Preeminent

Bar Admissions

District of Columbia
Admitted: 1979
Missouri
Admitted: 1981
Illinois
Admitted: 1990

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