Atty. Michael Lawrence Duffy

Atty. Michael Lawrence Duffy

Michael Lawrence Duffy is a lawyer practicing environmental / natural resources, insurance, insurance and reinsurance litigation and 1 other area of law. Michael received a B.A. degree from Miami (Ohio) University in 1997, and has been licensed for 26 years.

Chicago Chicago 26 yrs experience 26 year
Call (412) 397-7278 Book Appointment

Profile Summary

About Michael Lawrence Duffy at a glance

Michael Lawrence Duffy is a Partner based in Chicago, Illinois, practicing at Clausen Miller PC. They have 26+ years of legal experience, licensed to practice since 2000. Their practice focuses on litigation, environmental, and insurance. Admitted to practice in Illinois (2000), U.S. Court of Appeals, Seventh Circuit (2001), U.S. District Court, Northern District of Illinois (2004), and U.S. District Court, Southern District of Illinois (2004). Educated at The Ohio State University College of Law (J.D., 2000) and Miami (Ohio) University (B.A., 1997). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Michael Lawrence Duffy is a lawyer practicing environmental / natural resources, insurance, insurance and reinsurance litigation and 1 other area of law
  • Michael received a B.A. degree from Miami (Ohio) University in 1997, and has been licensed for 26 years
  • Michael practices at Clausen Miller PC in Chicago, IL

Practice Areas Explained

Michael Lawrence Duffy's Areas of Practice

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

Civil Litigation

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

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

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Michael Lawrence Duffy is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Illinois →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Michael Lawrence Duffy is one of 121,912 insurance attorneys indexed nationally. Browse insurance 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 Michael Lawrence Duffy

Where is Michael Lawrence Duffy's law office located?
Michael Lawrence Duffy's law practice is located in Chicago, Illinois. The firm is Clausen Miller PC. You can contact the office directly through this profile page.
What practice areas does Michael Lawrence Duffy handle?
Michael Lawrence Duffy focuses on litigation, environmental, insurance. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Michael Lawrence Duffy practiced law?
Michael Lawrence Duffy has 26+ years of legal experience and has been licensed since 2000.
Where did Michael Lawrence Duffy go to law school?
Michael Lawrence Duffy earned their education at (J.D., 2000); (B.A., 1997).
How can I contact Michael Lawrence Duffy for a consultation?
You can contact Michael Lawrence 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.
The Ohio State University College of Law
- 2000
B.A.
Miami (Ohio) University
- 1997

Bar Admissions

Illinois
Admitted: 2000
U.S. Court of Appeals, Seventh Circuit
Admitted: 2001
U.S. District Court, Northern District of Illinois
Admitted: 2004
U.S. District Court, Southern District of Illinois
Admitted: 2004
Indiana
Admitted: 2008

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