Atty. David Koonce
David Koonce is a lawyer practicing dui/dwi, criminal defense, business and 3 other areas of law. David has been licensed for 16 years.
Business & More Attorney · Serving St. Louis, MO · 16+ Years Experience
Profile Summary
About David Koonce at a Glance
David Koonce is a PricewaterhouseCoopers based in St. Louis, Missouri. They have 16+ years of legal experience, licensed to practice since 2010. Their practice focuses on dui/dwi, probate, criminal defense, business, and traffic. Admitted to practice in Washington (2010) and Missouri (2011). Educated at Boston College Law School (JD, 2010). Provides legal services in Spanish. Serves clients in St. Louis, MO and the surrounding metropolitan area.
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About David Koonce
- David Koonce is a lawyer practicing dui/dwi, criminal defense, business and 3 other areas of law
- David has been licensed for 16 years
- David practices in St. Louis, MO
Practice Areas Explained
David Koonce's Areas of Legal Practice
Each practice area below reflects the types of cases David Koonce handles, with a practical overview of what that area of law involves and how it may apply to your situation in St. Louis.
DUI / DWI Defense in St. Louis
Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.
David Koonce is one of 29,739 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in Missouri →
Probate in St. Louis
David Koonce is one of 127,041 probate attorneys indexed nationally. Browse probate attorneys in Missouri →
Criminal Defense in St. Louis
A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.
David Koonce is one of 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Missouri →
Business & Corporate Law in St. Louis
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
David Koonce is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Missouri →
Traffic Violations in St. Louis
David Koonce is one of 14,395 traffic attorneys indexed nationally. Browse traffic attorneys in Missouri →
Jurisdictional Context
Why Local Counsel Matters in St. Louis
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 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.
St. Louis Courts and Legal Process
Choosing a St. Louis-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 St. Louis or all attorneys in Missouri.
Frequently Asked
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Professional Profile
Why Clients in St. Louis Choose David Koonce
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 David Koonce's practice in the field of dui/dwi, probate, criminal defense, business, and traffic.
Decade-Tested Legal Experience
David Koonce brings 16+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in Washington and Missouri, David Koonce can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering dui/dwi, probate, and criminal defense, David Koonce can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in St. Louis
A St. Louis-based practice means David Koonce attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues David Koonce Handles in St. Louis
Below is a representative sample of the types of matters David Koonce has experience with under Missouri law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact David Koonce directly to discuss the specifics of your situation.
Search Reference
How People Find David Koonce Online
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David Koonce's Practice Areas & Specializations
Education & Law School Background
Languages Spoken — Legal Services Available In
Bar Admissions & Licensed Jurisdictions
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