Atty. Dennis Jay Duffy

Atty. Dennis Jay Duffy

Dennis Jay Duffy is a lawyer practicing workers' compensation defense, civil litigation defense. Dennis received a B.A. degree from University of Illinois in 1993, and has been licensed for 27 years.

Chicago Chicago 27 yrs experience 27 year
Call (872) 270-8597 Book Appointment

Profile Summary

About Dennis Jay Duffy at a glance

Dennis Jay Duffy is a workers comp and litigation attorney based in Chicago, Illinois. They have 27+ years of legal experience, licensed to practice since 1999. Admitted to practice in Illinois (1999) and U.S. District Court, Northern District of Illinois (1999). Educated at University of Illinois (J.D. History, 1999) and University of Illinois (B.A. History, 1993). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Dennis Jay Duffy is a lawyer practicing workers' compensation defense, civil litigation defense
  • Dennis received a B.A. degree from University of Illinois in 1993, and has been licensed for 27 years
  • Dennis practices in Chicago, IL

Practice Areas Explained

Dennis Jay Duffy's Areas of Practice

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

Workers Compensation

Workers compensation lawyers help injured workers get medical care, lost wages, and disability benefits. Free consult, no fee unless you win.

Dennis Jay Duffy is one of 55,389 workers comp attorneys indexed nationally. Browse workers comp attorneys in Illinois →

Civil Litigation

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

Dennis Jay Duffy is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Illinois →

Jurisdictional Context

Why local counsel matters in Illinois

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

Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Dennis Jay Duffy

Where is Dennis Jay Duffy's law office located?
Dennis Jay Duffy's law practice is located in Chicago, Illinois. You can contact the office directly through this profile page.
What practice areas does Dennis Jay Duffy handle?
Dennis Jay Duffy focuses on workers comp, litigation. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Dennis Jay Duffy practiced law?
Dennis Jay Duffy has 27+ years of legal experience and has been licensed since 1999.
Where did Dennis Jay Duffy go to law school?
Dennis Jay Duffy earned their education at (J.D. History, 1999); (B.A. History, 1993).
How can I contact Dennis Jay Duffy for a consultation?
You can contact Dennis Jay 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.

Education

J.D. History
University of Illinois
- 1999
B.A. History
University of Illinois
- 1993

Bar Admissions

Illinois
Admitted: 1999
U.S. District Court, Northern District of Illinois
Admitted: 1999

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