Atty. James T. Marquart
James T. Marquart is a lawyer practicing family law, traffic violations, criminal law and 1 other area of law.
Criminal Law & More Attorney · Serving Oshkosh, WI · 61+ Years Experience
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). Serves clients in Oshkosh, WI and the surrounding metropolitan area.
Get Legal Help from James T. Marquart in Oshkosh
Sign up free and choose one of the two methods below.
Have a legal question? Sign up free, submit it through the Ask the Attorney module and receive a focused answer from a specialist.
- Free to ask a question
- Answers from specialist attorneys
- Optional private / anonymous question
Request an online video meeting or an in-person consultation at the attorney's office. Pick a time that works for you and share the details securely.
- Online video meeting
- In-person at the attorney's office
- Secure messaging and payment
About James T. Marquart
- 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 Legal Practice
Each practice area below reflects the types of cases James T. Marquart handles, with a practical overview of what that area of law involves and how it may apply to your situation in Oshkosh.
Criminal Defense in Oshkosh
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 212,605 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Wisconsin →
Family Law in Oshkosh
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 185,688 family law attorneys indexed nationally. Browse family law attorneys in Wisconsin →
Traffic Violations in Oshkosh
James T. Marquart is one of 14,395 traffic attorneys indexed nationally. Browse traffic attorneys in Wisconsin →
Jurisdictional Context
Why Local Counsel Matters in Oshkosh
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 venue, 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.
Oshkosh Courts and Legal Process
Choosing a Oshkosh-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 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?
What practice areas does James T. Marquart handle?
How long has James T. Marquart practiced law?
Where did James T. Marquart go to law school?
How can I contact James T. Marquart for a consultation?
Professional Profile
Why Clients in Oshkosh Choose James T. Marquart
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 James T. Marquart's practice in the field of criminal defense, family law, and traffic.
Decade-Tested Legal Experience
James T. Marquart brings 61+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Broad Practice Area Coverage
Covering criminal defense, family law, and traffic, James T. Marquart can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Oshkosh
A Oshkosh-based practice means James T. Marquart 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 James T. Marquart Handles in Oshkosh
Below is a representative sample of the types of matters James T. Marquart has experience with under Wisconsin law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact James T. Marquart directly to discuss the specifics of your situation.
Search Reference
How People Find James T. Marquart Online
Prospective clients searching for legal help in Oshkosh 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 James T. Marquart.
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 James T. Marquart directly.
James T. Marquart's Practice Areas & Specializations
Education & Law School Background
Bar Admissions & Licensed Jurisdictions
Client Reviews & Ratings — James T. Marquart
No reviews yet.