Atty. John A Hartmann

Atty. John A Hartmann

John A. Hartmann, III, is a managing partner of the law firm and Chair of the Family Law department.

Lawrenceville Lawrenceville 57 yrs experience 57 year
Call (640) 230-5251 Book Appointment

Profile Summary

About John A Hartmann at a glance

John A Hartmann is a Member based in Lawrenceville, New Jersey, practicing at Pellettieri, Rabstein and Altman. They have 57+ years of legal experience, licensed to practice since 1969. Their practice focuses on divorce, child custody, family law, child support, and litigation. Admitted to practice in New Jersey (1969) and U.S. District Court, District of New Jersey and U.S. Tax Court (1969). Educated at Rutgers University J.D. (—) and Bordentown Military Institute, Villanova University B.S. Fairleigh Dickinson University M.B.A. (—). Active member of Princeton, Mercer County, New Jersey State and American Bar Associations New Jersey Association of Trial Lawyers. Serands clients in Lawrenceville, NJ and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John A. Hartmann, III, is a managing partner of the law firm and Chair of the Family Law department
  • He joined the firm in 1979 and has exclusively concentrated his practice in complex family law
  • Read Full Bio

Practice Areas Explained

John A Hartmann's Areas of Practice

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

Divorce

A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.

John A Hartmann is one of 50,487 divorce attorneys indexed nationally. Browse divorce attorneys in New Jersey →

Child Custody & Visitation

John A Hartmann is one of 31,241 child custody attorneys indexed nationally. Browse child custody attorneys in New Jersey →

Family Law

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

John A Hartmann is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in New Jersey →

Child Support

John A Hartmann is one of 24,688 child support attorneys indexed nationally. Browse child support attorneys in New Jersey →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John A Hartmann is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Lawrenceville 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 Lawrenceville or all attorneys in New Jersey.

Frequently Asked

Common questions about John A Hartmann

Where is John A Hartmann's law office located?
John A Hartmann's law practice is located in Lawrenceville, New Jersey. The firm is Pellettieri, Rabstein and Altman. You can contact the office directly through this profile page.
What practice areas does John A Hartmann handle?
John A Hartmann focuses on divorce, child custody, family law, child support, litigation. Each practice area listed reflects experience handling cases of that type in New Jersey.
How long has John A Hartmann practiced law?
John A Hartmann has 57+ years of legal experience and has been licensed since 1969.
Where did John A Hartmann go to law school?
John A Hartmann earned their education at (—); (—).
How can I contact John A Hartmann for a consultation?
You can contact John A 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

Rutgers University J.D.
- In Progress
Bordentown Military Institute, Villanova University B.S. Fairleigh Dickinson University M.B.A.
- In Progress

Bar Admissions

New Jersey
Admitted: 1969
U.S. District Court, District of New Jersey and U.S. Tax Court
Admitted: 1969

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