Atty. John Thomas Clark

Atty. John Thomas Clark

John Thomas Clark is a lawyer practicing criminal law, traffic violations, traffic violations - dui/dwi and 1 other area of law. John has been licensed for 20 years.

Grain Valley Grain Valley 20 yrs experience 20 year
Call (314) 274-9740 Book Appointment

Criminal Law & More Attorney · Serving Grain Valley, MO · 20+ Years Experience

Profile Summary

About John Thomas Clark at a Glance

John Thomas Clark is a Member based in Grain Valley, Missouri, practicing at John T. Clark, LLC. They have 20+ years of legal experience, licensed to practice since 2006. Their practice focuses on dui/dwi, criminal defense, and traffic. Admitted to practice in Missouri (2006). Serves clients in Grain Valley, MO and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About John Thomas Clark

  • John Thomas Clark is a lawyer practicing criminal law, traffic violations, traffic violations - dui/dwi and 1 other area of law
  • John has been licensed for 20 years
  • John practices at John T. Clark, LLC in Grain Valley, MO

Practice Areas Explained

John Thomas Clark's Areas of Legal Practice

Each practice area below reflects the types of cases John Thomas Clark handles, with a practical overview of what that area of law involves and how it may apply to your situation in Grain Valley.

DUI / DWI Defense in Grain Valley

Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.

John Thomas Clark is one of 29,739 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Missouri →

Criminal Defense in Grain Valley

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

John Thomas Clark is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Missouri →

Traffic Violations in Grain Valley

John Thomas Clark is one of 14,395 traffic attorneys indexed nationally. Browse traffic attorneys in Missouri →

Jurisdictional Context

Why Local Counsel Matters in Grain Valley

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 Grain Valley 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 venue, 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.

Grain Valley Courts and Legal Process

Choosing a Grain Valley-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

Looking for additional Missouri attorneys? Browse all attorneys in Grain Valley or all attorneys in Missouri.

Frequently Asked

Common Questions About John Thomas Clark

Where is John Thomas Clark's law office located?
John Thomas Clark's law practice is located in Grain Valley, Missouri. The firm is John T. Clark, LLC. You can contact the office directly through this profile page.
What practice areas does John Thomas Clark handle?
John Thomas Clark focuses on dui/dwi, criminal defense, traffic. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has John Thomas Clark practiced law?
John Thomas Clark has 20+ years of legal experience and has been licensed since 2006.
How can I contact John Thomas Clark for a consultation?
You can contact John Thomas Clark 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.

Professional Profile

Why Clients in Grain Valley Choose John Thomas Clark

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish John Thomas Clark's practice in the field of dui/dwi, criminal defense, and traffic.

Decade-Tested Legal Experience

John Thomas Clark brings 20+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering dui/dwi, criminal defense, and traffic, John Thomas Clark can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Grain Valley

A Grain Valley-based practice means John Thomas Clark attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Search Reference

How People Find John Thomas Clark Online

Prospective clients searching for legal help in Grain Valley commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like John Thomas Clark.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with John Thomas Clark directly.

John Thomas Clark's Practice Areas & Specializations

Bar Admissions & Licensed Jurisdictions

Missouri
Admitted: 2006

Client Reviews & Ratings — John Thomas Clark

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