Atty. Marc A. Hammer

Atty. Marc A. Hammer

Hon. Marc A.

Green Bay Green Bay 37 yrs experience 37 year
Call (414) 373-2164 Book Appointment

Profile Summary

About Marc A. Hammer at a glance

Marc A. Hammer is a Cir.J. based in Green Bay, Wisconsin. They have 37+ years of legal experience, licensed to practice since 1989. Their practice focuses on divorce, child custody, family law, poa, and paternity. Admitted to practice in Wisconsin (1989) and Illinois (1990). Educated at University of Missouri-Columbia (J.D., 1989) and University of Illinois (B.A., 1986). Active member of Brown County (Chairman, Family Law Section) and American Bar Associations State Bar of Wisconsin. Serands clients in Green Bay, WI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Hon. Marc A. Hammer is a lawyer practicing family law, divorce, paternity and 2 other areas of law
  • Marc received a B.A. degree from University of Illinois in 1986, and has been licensed for 37 years
  • Marc practices in Green Bay, WI

Practice Areas Explained

Marc A. Hammer's Areas of Practice

Each practice area below reflects the types of cases Marc A. Hammer 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.

Marc A. Hammer is one of 50,487 divorce attorneys indexed nationally. Browse divorce attorneys in Wisconsin →

Child Custody & Visitation

Marc A. Hammer is one of 31,241 child custody attorneys indexed nationally. Browse child custody 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.

Marc A. Hammer is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Wisconsin →

Power of Attorney

Marc A. Hammer is one of 33,188 poa attorneys indexed nationally. Browse poa attorneys in Wisconsin →

Paternity

Marc A. Hammer is one of 6,837 paternity attorneys indexed nationally. Browse paternity 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 Green Bay 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 Green Bay or all attorneys in Wisconsin.

Frequently Asked

Common questions about Marc A. Hammer

Where is Marc A. Hammer's law office located?
Marc A. Hammer's law practice is located in Green Bay, Wisconsin. You can contact the office directly through this profile page.
What practice areas does Marc A. Hammer handle?
Marc A. Hammer focuses on divorce, child custody, family law, poa, paternity. Each practice area listed reflects experience handling cases of that type in Wisconsin.
How long has Marc A. Hammer practiced law?
Marc A. Hammer has 37+ years of legal experience and has been licensed since 1989.
Where did Marc A. Hammer go to law school?
Marc A. Hammer earned their education at (J.D., 1989); (B.A., 1986).
How can I contact Marc A. Hammer for a consultation?
You can contact Marc A. Hammer 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

J.D.
University of Missouri-Columbia
- 1989
B.A.
University of Illinois
- 1986

Bar Admissions

Wisconsin
Admitted: 1989
Illinois
Admitted: 1990

Reviews

4.5
1 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.