Atty. Jonathan D. Marks

Atty. Jonathan D. Marks

Jonathan Marks received his Bachelor of Journalism from the University of Missouri — Columbia in 1993 and his Juris Doctorate from the University of Missouri — Columbia in 1997. Jonathan is admitted to practice in the State of Missouri, the State of Illinois, the United States District Court for the Eastern District of Missouri, the United States District Court for the Western District of Missouri, the United States District Court for the Southern District of Illinois, the United States District Court for the Central District of Illinois, the United States District Court for the Northern Distr

St. Louis St. Louis 28 yrs experience 28 year
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Divorce & More Attorney · Serving St. Louis, MO · 28+ Years Experience

Profile Summary

About Jonathan D. Marks at a Glance

Jonathan D. Marks is a Member based in St. Louis, Missouri, practicing at The Marks Law Firm, L.L.C.. They have 28+ years of legal experience, licensed to practice since 1998. Their practice focuses on divorce, family law, tax, and adr. Admitted to practice in Missouri (1998), U.S. District Court, Eastern and Western Districts of Missouri (1998), Illinois (1999), and U.S. Court of Appeals, Eighth Circuit (2000). Educated at University of Missouri-Columbia School of Law (J.D. CALI, 1997) and University of Missouri-Columbia School of Journalism (B.J. Dean, 1993). Recognitions include AV Preeminent. Active member of The Missouri Bar Illinois State Bar Association American Bar Association First Amendment Lawyers Association The American Trial Lawyers Association St, Louis County Bar Association Bar Association of Metropolitan St, and Louis. Serves clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About Jonathan D. Marks

  • Jonathan Marks received his Bachelor of Journalism from the University of Missouri — Columbia in 1993 and his Juris Doctorate from the University of Missouri — Columbia in 1997
  • Jonathan is admitted to practice in the State of Missouri, the State of Illinois, the United States District Court for the Eastern District of Missouri, the United States District Court for the Western District of Missouri, the United States District Court for the Southern District of Illinois, the United States District Court for the Central District of Illinois, the United States District Court for the Northern District of Illinois, and the United States Court of Appeals for the Eight Circuit
  • Jonathan was recognized by Missouri Lawyers Weekly as one of Missouri’s Up & Coming Lawyers in 2008 and has been designated annually since 2008 as a Super Lawyer Rising Star by Missouri/Kansas Super Lawyers, a publication of Law and Politics Magazine
  • He is currently authoring Family Law and Criminal Law: A Practitioner’s Handbook for the American Bar Association
  • Jonathan is member of The Missouri Bar Association, The Illinois State Bar Association, The American Bar Association, The First Amendment Lawyers Association, The Bar Association of Metropolitan St. Louis and The St. Louis County Bar Association
  • Jonathan’s practice focuses on the areas of Family Law in both State and Federal Courts at trial and appeal

Practice Areas Explained

Jonathan D. Marks's Areas of Legal Practice

Each practice area below reflects the types of cases Jonathan D. Marks handles, with a practical overview of what that area of law involves and how it may apply to your situation in St. Louis.

Divorce in St. Louis

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

Jonathan D. Marks is one of 50,071 divorce attorneys indexed nationally. Browse divorce attorneys in Missouri →

Family Law in St. Louis

Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.

Jonathan D. Marks is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in Missouri →

Tax Law in St. Louis

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Jonathan D. Marks is one of 84,606 tax attorneys indexed nationally. Browse tax attorneys in Missouri →

Mediation & Arbitration in St. Louis

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

Jonathan D. Marks is one of 73,315 adr attorneys indexed nationally. Browse adr 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

Common Questions About Jonathan D. Marks

Where is Jonathan D. Marks's law office located?
Jonathan D. Marks's law practice is located in St. Louis, Missouri. The firm is The Marks Law Firm, L.L.C.. You can contact the office directly through this profile page.
What practice areas does Jonathan D. Marks handle?
Jonathan D. Marks focuses on divorce, family law, tax, adr. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Jonathan D. Marks practiced law?
Jonathan D. Marks has 28+ years of legal experience and has been licensed since 1998.
Where did Jonathan D. Marks go to law school?
Jonathan D. Marks earned their education at (J.D. CALI, 1997); (B.J. Dean, 1993).
How can I contact Jonathan D. Marks for a consultation?
You can contact Jonathan D. Marks 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 Jonathan D. Marks received?
Jonathan D. Marks's notable recognition includes: AV Preeminent.

Professional Profile

Why Clients in St. Louis Choose Jonathan D. Marks

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 Jonathan D. Marks's practice in the field of divorce, family law, tax, and adr.

Decade-Tested Legal Experience

Jonathan D. Marks brings 28+ 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 Missouri, U.S. District Court, Eastern and Western Districts of Missouri, and Illinois, Jonathan D. Marks can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering divorce, family law, and tax, Jonathan D. Marks 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 Jonathan D. Marks 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 Jonathan D. Marks Handles in St. Louis

Below is a representative sample of the types of matters Jonathan D. Marks 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.

Divorce and property division
Family Law
Child custody and support
Family Law
Spousal support (alimony)
Family Law
Prenuptial agreements
Family Law
IRS audit representation
Tax
Tax lien and levy defense
Tax
Offer in compromise
Tax
Business tax planning
Tax

This list is illustrative, not exhaustive. Contact Jonathan D. Marks directly to discuss the specifics of your situation.

Search Reference

How People Find Jonathan D. Marks Online

Prospective clients searching for legal help in St. Louis 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 Jonathan D. Marks.

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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 Jonathan D. Marks directly.

Education & Law School Background

J.D. CALI
University of Missouri-Columbia School of Law
- 1997
B.J. Dean
University of Missouri-Columbia School of Journalism
- 1993

Awards & Professional Honors

AV Preeminent

Bar Admissions & Licensed Jurisdictions

Missouri
Admitted: 1998
U.S. District Court, Eastern and Western Districts of Missouri
Admitted: 1998
Illinois
Admitted: 1999
U.S. Court of Appeals, Eighth Circuit
Admitted: 2000
U.S. District Court, Southern, Central and Northern Districts of Illinois
Admitted: 2003

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