Atty. James T. Marquart

Atty. James T. Marquart

James T. Marquart is a lawyer practicing family law, traffic violations, criminal law and 1 other area of law.

Oshkosh Oshkosh 61 J. Erfahrung 61 year
Call (920) 760-1229 Book Appointment

Profile Summary

About James T. Marquart at a glance

James T. Marquart is a criminal defense, family law, and traffic attorney based in Oshkosh, Wisconsin. They have 61+ years of legal experience, licensed to practice since 1965. Admitted to practice in Wisconsin (1965). Educated at Marquette University (LL.B., 1965). Serands clients in Oshkosh, WI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • James T. Marquart is a lawyer practicing family law, traffic violations, criminal law and 1 other area of law
  • James has been licensed for 61 years
  • James practices in Oshkosh, WI

Practice Areas Explained

James T. Marquart's Areas of Practice

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

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

James T. Marquart is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Wisconsin →

Family Law

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

James T. Marquart is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Wisconsin →

Traffic Violations

James T. Marquart is one of 14,506 traffic attorneys indexed nationally. Browse traffic attorneys in Wisconsin →

Jurisdictional Context

Why local counsel matters in Wisconsin

Practicing law in Wisconsin. Legal matters in Wisconsin are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Oshkosh are typically filed in the local municipal court or the appropriate Wisconsin state district court, depending on subject matter and amount in controversy. An attorney licensed in Wisconsin 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 Wisconsin courts without local counsel or pro hac vice admission.

Looking for additional Wisconsin attorneys? Browse all attorneys in Oshkosh or all attorneys in Wisconsin.

Frequently Asked

Common questions about James T. Marquart

Where is James T. Marquart's law office located?
James T. Marquart's law practice is located in Oshkosh, Wisconsin. You can contact the office directly through this profile page.
What practice areas does James T. Marquart handle?
James T. Marquart focuses on criminal defense, family law, traffic. Each practice area listed reflects experience handling cases of that type in Wisconsin.
How long has James T. Marquart practiced law?
James T. Marquart has 61+ years of legal experience and has been licensed since 1965.
Where did James T. Marquart go to law school?
James T. Marquart earned their education at (LL.B., 1965).
How can I contact James T. Marquart for a consultation?
You can contact James T. Marquart 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.B.
Marquette University
- 1965

Bar Admissions

Wisconsin
Admitted: 1965

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