Atty. Dennis M. Duffy

Atty. Dennis M. Duffy

Atty. Dennis M.

De Pere De Pere 48 yrs experience 48 year
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Profile Summary

About Dennis M. Duffy at a glance

Dennis M. Duffy is a Member based in De Pere, Wisconsin. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on probate, criminal defense, family law, real estate, and government. Admitted to practice in Wisconsin (1978). Educated at Marquette University (J.D., 1978) and University of Wisconsin-Madison (B.A., 1974). Recognitions include BV Distinguished. Serands clients in De Pere, WI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Atty. Dennis M. Duffy is a lawyer practicing municipal law, domestic relations law, real estate and 3 other areas of law
  • Dennis received a B.A. degree from University of Wisconsin-Madison in 1974, and has been licensed for 48 years
  • Dennis practices in De Pere, WI

Practice Areas Explained

Dennis M. Duffy's Areas of Practice

Each practice area below reflects the types of cases Dennis M. Duffy handles, with a brief overview of what that area of law covers.

Probate

Dennis M. Duffy is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Wisconsin →

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.

Dennis M. Duffy 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.

Dennis M. Duffy is one of 187,066 family law attorneys indexed nationally. Browse family law attorneys in Wisconsin →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

Dennis M. Duffy is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Wisconsin →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Dennis M. Duffy is one of 132,225 government attorneys indexed nationally. Browse government 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 De Pere 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 De Pere or all attorneys in Wisconsin.

Frequently Asked

Common questions about Dennis M. Duffy

Where is Dennis M. Duffy's law office located?
Dennis M. Duffy's law practice is located in De Pere, Wisconsin. You can contact the office directly through this profile page.
What practice areas does Dennis M. Duffy handle?
Dennis M. Duffy focuses on probate, criminal defense, family law, real estate, government. Each practice area listed reflects experience handling cases of that type in Wisconsin.
How long has Dennis M. Duffy practiced law?
Dennis M. Duffy has 48+ years of legal experience and has been licensed since 1978.
Where did Dennis M. Duffy go to law school?
Dennis M. Duffy earned their education at (J.D., 1978); (B.A., 1974).
How can I contact Dennis M. Duffy for a consultation?
You can contact Dennis M. Duffy 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.
What awards or recognition has Dennis M. Duffy received?
Dennis M. Duffy's notable recognition includes: BV Distinguished.

Education

J.D.
Marquette University
- 1978
B.A.
University of Wisconsin-Madison
- 1974

Awards

BV Distinguished

Bar Admissions

Wisconsin
Admitted: 1978

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