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Atty. Mark Andrew Thornhill

Atty. Mark Andrew Thornhill

Mark Andrew Thornhill is a lawyer practicing corporate governance, litigation and dispute resolution, white collar defense and investigations and 3 other areas of law. Mark has been licensed for 49 years.

Kansas City Kansas City 49 yrs experience 49 year
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Profile Summary

About Mark Andrew Thornhill at a glance

Mark Andrew Thornhill is a Partner based in Kansas City, Missouri, practicing at Spencer Fane, LLP. They have 49+ years of legal experience, licensed to practice since 1977. Their practice focuses on criminal defense, business, white collar, litigation, and consumer. Admitted to practice in Missouri (1977). Recognitions include AV Preeminent. Serands clients in Kansas City, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Andrew Thornhill is a lawyer practicing corporate governance, litigation and dispute resolution, white collar defense and investigations and 3 other areas of law
  • Mark has been licensed for 49 years
  • Mark practices at Spencer Fane, LLP in Kansas City, MO

Practice Areas Explained

Mark Andrew Thornhill's Areas of Practice

Each practice area below reflects the types of cases Mark Andrew Thornhill 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.

Mark Andrew Thornhill 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.

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

White Collar Crimes

Mark Andrew Thornhill is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in Missouri →

Civil Litigation

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

Mark Andrew Thornhill is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Missouri →

Consumer Protection

Consumer protection attorneys for fraud, lemon law, debt harassment, and deceptive trade practices.

Mark Andrew Thornhill is one of 50,607 consumer attorneys indexed nationally. Browse consumer 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 Kansas City 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 Kansas City or all attorneys in Missouri.

Frequently Asked

Common questions about Mark Andrew Thornhill

Where is Mark Andrew Thornhill's law office located?
Mark Andrew Thornhill's law practice is located in Kansas City, Missouri. The firm is Spencer Fane, LLP. You can contact the office directly through this profile page.
What practice areas does Mark Andrew Thornhill handle?
Mark Andrew Thornhill focuses on criminal defense, business, white collar, litigation, consumer. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Mark Andrew Thornhill practiced law?
Mark Andrew Thornhill has 49+ years of legal experience and has been licensed since 1977.
How can I contact Mark Andrew Thornhill for a consultation?
You can contact Mark Andrew Thornhill 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 Mark Andrew Thornhill received?
Mark Andrew Thornhill's notable recognition includes: AV Preeminent.

Awards

AV Preeminent

Bar Admissions

Missouri
Admitted: 1977

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