Atty. John Peter Dethman, Jr.

Atty. John Peter Dethman, Jr.

John Peter Dethman, Jr. is a lawyer practicing tax exempt organizations, taxation law, estate planning. John received a B.S. degree from Northwestern University in 1967, and has been licensed for 54 years.

Columbia Columbia 54 yrs experience 54 year
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Profile Summary

About John Peter Dethman, Jr. at a glance

John Peter Dethman, Jr. is a estate planning and tax attorney based in Columbia, Missouri. They have 54+ years of legal experience, licensed to practice since 1972. Admitted to practice in Colorado (1972) and District of Columbia (1973). Educated at New York University (LL.M., 1973) and Northwestern University (B.S., 1967). Serands clients in Columbia, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Peter Dethman, Jr. is a lawyer practicing tax exempt organizations, taxation law, estate planning
  • John received a B.S. degree from Northwestern University in 1967, and has been licensed for 54 years
  • John practices in Columbia, MO

Practice Areas Explained

John Peter Dethman, Jr.'s Areas of Practice

Each practice area below reflects the types of cases John Peter Dethman, Jr. handles, with a brief overview of what that area of law covers.

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

John Peter Dethman, Jr. is one of 226,537 estate planning attorneys indexed nationally. Browse estate planning attorneys in Missouri →

Tax Law

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

John Peter Dethman, Jr. is one of 85,302 tax attorneys indexed nationally. Browse tax 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 Columbia 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 andnue, 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 Columbia or all attorneys in Missouri.

Frequently Asked

Common questions about John Peter Dethman, Jr.

Where is John Peter Dethman, Jr.'s law office located?
John Peter Dethman, Jr.'s law practice is located in Columbia, Missouri. You can contact the office directly through this profile page.
What practice areas does John Peter Dethman, Jr. handle?
John Peter Dethman, Jr. focuses on estate planning, tax. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has John Peter Dethman, Jr. practiced law?
John Peter Dethman, Jr. has 54+ years of legal experience and has been licensed since 1972.
Where did John Peter Dethman, Jr. go to law school?
John Peter Dethman, Jr. earned their education at (LL.M., 1973); (B.S., 1967).
How can I contact John Peter Dethman, Jr. for a consultation?
You can contact John Peter Dethman, Jr. 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.

Education

LL.M.
New York University
- 1973
B.S.
Northwestern University
- 1967

Bar Admissions

Colorado
Admitted: 1972
District of Columbia
Admitted: 1973

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