Jack Clyde Harper, Criminal Defense Attorney in St Louis, Missouri
Over 63 years of legal practice · focused on Criminal Defense, Government, and Litigation
St Louis, MO
Practicing criminal defense in St Louis since 1963.
- 63+
- Years practicing
- 2
- Bar admissions
Are you Jack Clyde Harper?
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Quick answer
Jack Clyde Harper is an attorney based in St. Louis, MO. The practice focuses on Criminal Defense, Government, and Litigation. Jack has over 63 years of legal experience.
- Based in
- St. Louis, MO
- Experience
- over 63 years
- Known for
- Criminal Defense · Government · Litigation
- Handles Criminal Defense, Government, and Litigation matters from St. Louis, MO.
- Over 63 years of practice as a licensed attorney.
About Jack Clyde Harper: Jack Clyde Harper is an attorney based in St. Louis, MO. The practice focuses on Criminal Defense, Government, and Litigation. Jack has over 63 years of legal experience.
Areas of practice
Legal matters Jack takes on
Jack concentrates on criminal defense, government, litigation, personal injury, and workers comp. Each area below outlines the kind of case Jack handles, typical outcomes to expect, and how the intake process starts.
Criminal Defense
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Government
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Litigation
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Personal Injury
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Workers Comp
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Criminal Defense cases in St Louis, Missouri
Jack takes criminal defense matters in St Louis, Missouri. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jack agrees to represent you.
Government cases in St Louis, Missouri
Jack takes government matters in St Louis, Missouri. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jack agrees to represent you.
Litigation cases in St Louis, Missouri
Jack takes litigation matters in St Louis, Missouri. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jack agrees to represent you.
Personal Injury cases in St Louis, Missouri
Jack takes personal injury matters in St Louis, Missouri. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jack agrees to represent you.
Workers Comp cases in St Louis, Missouri
Jack takes workers comp matters in St Louis, Missouri. Typical engagements include intake calls to scope the issue, review of any records or filings you already have, and a written strategy memo before Jack agrees to represent you.
Biography
Meet Jack Clyde Harper — criminal defense lawyer in St Louis
Jack Clyde Harper is an attorney based in St. Louis, MO. The practice focuses on Criminal Defense, Government, and Litigation. Jack has over 63 years of legal experience.
Jack Clyde Harper is a lawyer practicing personal injury, workers compensation, criminal law and 2 other areas of law. Jack received a B.A. degree from Washington University in 1955, and has been licensed for 63 years. Jack practices in St. Louis, MO.
Working with Jack on a criminal defense matter
Jack Clyde Harper is a lawyer practicing personal injury, workers compensation, criminal law and 2 other areas of law. Jack received a B.A. degree from Washington University in 1955, and has been licensed for 63 years. Jack practices in St. Louis, MO.
Clients Jack works with
Jack reviews new inquiries case-by-case for criminal defense, government, and litigation matters in St Louis and the surrounding Missouri area.
Credentials
Education, bar admissions, and languages
Washington University
LL.B. · 1962
Washington University
B.A. · 1955
Jurisdictions
Jack's state bar admissions
Illinois
1963 · ACTIVE
Missouri
1963 · ACTIVE
Jack studied at LL.B. in Washington University and B.A. in Washington University.
Law school and academic background
Jack completed LL.B. in Washington University and B.A. in Washington University. Formal legal training is one signal of substantive knowledge — the day-to-day practice Jack runs in Missouri is where that training gets applied to real client questions.
Locations
Jack Clyde Harper's office in St. Louis
Jack's primary office is at 1516 S. Brentwood Blvd., St. Louis, MO, 63144-1400. In-person meetings are by appointment; a phone intake usually comes first.
Client feedback
Client reviews of Jack Clyde Harper
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Schedule your consultationHiring guide
How to hire Jack Clyde Harper — what to expect in your first consultation
Working with a new criminal defense attorney should feel structured. Here's how the first two conversations with Jack usually go, from the moment you request a consult to the day representation begins.
Consultation formats and pricing
Jack charges for the initial consult. That fee is credited toward representation if you retain Jack's office.
What to bring to your first meeting
Bring any documents you already have — police reports, medical records, filed pleadings, correspondence from an insurer, a copy of the contract at issue. If you're not sure, err on the side of bringing everything; Jack will tell you what matters and what doesn't.
Questions to ask a criminal defense attorney in St Louis, Missouri
A short list to run through before you commit: How many criminal defense matters have you handled in the last year? What's your fee structure? Who else in the office will work on this? What's your realistic estimate of timeline and range of outcomes? How do I reach you between meetings?
Fees & payment
Fees, payment methods, and consultation options for Jack
Jack discusses fees during intake so the arrangement fits the matter. Contingency, hourly, and flat-fee options are all common in criminal defense practice — ask which fits.
Hourly rates, contingency fees, and flat-fee options
Every criminal defense matter is priced differently. Simple document review might be a flat fee. Injury litigation is often contingency. Complex commercial disputes usually run hourly with a retainer. Jack confirms the model in the engagement letter before any work starts.
Payment methods and payment plans
Jack's office accepts standard payment methods. Ask about payment plans if the retainer is a stretch — many criminal defense practices work with clients on structured schedules.
Frequently asked
Frequently asked questions about Jack Clyde Harper
How much does it cost to hire Jack for a criminal defense case?
Cost depends on the type of matter, the fee model (contingency, flat, hourly), and how contested the case becomes. Jack walks through the likely range during the consult so there are no surprises.
Does Jack offer a free consultation?
Jack charges for the initial consult; that fee is credited toward representation if you retain Jack's office. Some criminal defense attorneys offer free consults — check Jack's current terms during booking.
How long do criminal defense cases in Missouri typically take?
Simple criminal defense matters can wrap in a few weeks; disputed cases can run 6–18 months from intake to resolution, longer if the matter goes to trial. Jack gives a realistic estimate for your facts at the consult — vague answers here are a red flag.
Can Jack take my case if I'm outside St Louis?
Jack is licensed in Missouri. Matters governed by Missouri law are the natural fit. Out-of-state matters are handled case-by-case, sometimes with local co-counsel. Ask during intake — Jack will tell you if the case is a fit or refer you to someone closer to your court.
What should I bring to my first meeting with Jack?
Bring every document that touches the dispute: contracts, correspondence, police or medical reports, filed pleadings, invoices, photographs, insurance letters. Also bring a written timeline of what happened, in your own words. Jack will filter what matters — over-preparing at intake is always cheaper than needing a second meeting.
Is Jack accepting new criminal defense clients right now?
Jack's intake status shifts week to week. Submit the form; the office will confirm availability or refer the matter out.
Areas served
Criminal Defense attorneys serving St Louis, Jefferson City and Kansas City in Missouri
Jack handles criminal defense matters throughout Missouri. Each city below is a direct link into the search page for verified criminal defense attorneys in that community.
More counsel
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If Jack's intake is full or the fit isn't right, these criminal defense attorneys in St Louis handle similar matters. Every profile below is verified and open to consultations.





