Atty. John William Hartmann

Atty. John William Hartmann

John William Hartmann is a lawyer practicing criminal defense, criminal law, dui and 1 other area of law. John received a B.A. degree from Georgetown University, and has been licensed for 32 years.

West Windsor West Windsor 32 yrs experience 32 year
Call (833) 660-5422 Book Appointment

Profile Summary

About John William Hartmann at a glance

John William Hartmann is a Member based in West Windsor, New Jersey, practicing at John W. Hartmann, Esq.. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on dui/dwi and criminal defense. Admitted to practice in New Jersey (1994). Educated at Seton Hall University School of Law J.D. (—) and Georgetown University B.A. History (—). Serands clients in West Windsor, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John William Hartmann is a lawyer practicing criminal defense, criminal law, dui and 1 other area of law
  • John received a B.A. degree from Georgetown University, and has been licensed for 32 years
  • John practices at John W. Hartmann, Esq. in West Windsor, NJ

Practice Areas Explained

John William Hartmann's Areas of Practice

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

DUI / DWI Defense

Find experienced DUI and DWI defense attorneys near you. Compare verified profiles, read client reviews, and consult about your case for free.

John William Hartmann is one of 29,977 dui/dwi attorneys indexed nationally. Browse dui/dwi attorneys in New Jersey →

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.

John William Hartmann is one of 214,271 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in New Jersey →

Jurisdictional Context

Why local counsel matters in New Jersey

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

Looking for additional New Jersey attorneys? Browse all attorneys in West Windsor or all attorneys in New Jersey.

Frequently Asked

Common questions about John William Hartmann

Where is John William Hartmann's law office located?
John William Hartmann's law practice is located in West Windsor, New Jersey. The firm is John W. Hartmann, Esq.. You can contact the office directly through this profile page.
What practice areas does John William Hartmann handle?
John William Hartmann focuses on dui/dwi, criminal defense. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has John William Hartmann practiced law?
John William Hartmann has 32+ years of legal experience and has been licensed since 1994.
Where did John William Hartmann go to law school?
John William Hartmann earned their education at (—); (—).
How can I contact John William Hartmann for a consultation?
You can contact John William Hartmann 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

Seton Hall University School of Law J.D.
- In Progress
Georgetown University B.A. History
- In Progress

Bar Admissions

New Jersey
Admitted: 1994

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