Atty. James R. Layton

Atty. James R. Layton

Jim Layton joined the firm in 2017 after serving more than 22 years in the Missouri Attorney General’s Office—nearly all of those as the State’s principal civil appellate lawyer, Solicitor General. Jim practices in both appellate and trial courts, particularly in matters involving complex legal questions, including those arising under the U.S. and Missouri constitutions, Missouri school funding and other education statutes, discrimination laws, and Missouri tax laws.

Call (314) 880-3600

Profile Summary

About James R. Layton at a glance

James R. Layton is a appellate attorney based in St. Louis, Missouri, practicing at Tueth Keeney Cooper Mohan & Jackstadt PC. Admitted to practice in Missouri, The Missouri Bar. Educated at Brigham Young University (J.D., 1982) and Brigham Young University (B.S., 1977). Recognitions include Best Lawyers in America — Appellate Practice (2026). Serves clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jim Layton joined the firm in 2017 after serving more than 22 years in the Missouri Attorney General’s Office—nearly all of those as the State’s principal civil appellate lawyer, Solicitor General
  • Jim practices in both appellate and trial courts, particularly in matters involving complex legal questions, including those arising under the U.S. and Missouri constitutions, Missouri school funding and other education statutes, discrimination laws, and Missouri tax laws
  • He represents both private and public entities
  • In addition to handling cases at Tueth Keeney, Jim assists clients, in-house counsel, and counsel at other firms with appellate strategy, motions, briefing, and argument
  • In doing so, he relies on many years of intense appellate experience: Jim has argued more than 90 times before the Missouri Supreme Court, four times before the U.S
  • Supreme Court, and more than 100 times in other state and federal appellate courts
  • Since joining Tueth Keeney, Jim has been retained repeatedly to assist with applications to transfer appeals to the Missouri Supreme Court
  • Jim’s experience in working with high-level government officials and state boards and commissions gives him special insight into government and regulatory decision-making
  • He has been consulted on a wide range of issues relating to Missouri laws regulating public and private entities
  • An adjunct professor of law at the University of Missouri for 20 years, Jim is a frequent speaker on appellate practice, legal writing, constitutional law, and issues arising from new appellate decisions
  • A long-time leader in the appellate bar, Jim serves as Co-Chair of the Appellate Practice Committee of The Missouri Bar
  • He was previously Chair of the American bar Association’s Council of appellate Lawyers, President of the Bar Association of the U.S
  • Court of Appeals for the Eighth Circuit, and President of the Elwood Thomas American Inn of Court
  • He serves on task forces for both the American Academy of Appellate Lawyers and the Missouri courts dealing with remote court proceedings and electronic filing

Practice Areas Explained

James R. Layton's Areas of Practice

Each practice area below reflects the types of cases James R. Layton handles, with a brief overview of what that area of law covers.

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

James R. Layton is one of 77,587 appellate attorneys indexed nationally. Browse appellate 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 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.

Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about James R. Layton

Where is James R. Layton's law office located?
James R. Layton's law practice is located in St. Louis, Missouri. The firm is Tueth Keeney Cooper Mohan & Jackstadt PC. You can contact the office directly through this profile page.
What practice areas does James R. Layton handle?
James R. Layton focuses on appellate. Each practice area listed reflects experience handling cases of that type in Missouri.
Where did James R. Layton go to law school?
James R. Layton earned their education at (J.D., 1982); (B.S., 1977).
How can I contact James R. Layton for a consultation?
You can contact James R. Layton 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 James R. Layton received?
James R. Layton's notable recognition includes: Best Lawyers in America — Appellate Practice.

Practice Areas

Education

J.D.
Brigham Young University
- 1982
B.S.
Brigham Young University
- 1977

Awards

Best Lawyers in America — Appellate Practice
- 2026

Bar Admissions

Missouri, The Missouri Bar

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