Atty. John Joseph Duffy
John Joseph Duffy is a lawyer practicing ethics & professional responsibility, physicians, automotive product liability and 2 other areas of law. John received a B.A. degree from University of Iowa in 1990, and has been licensed for 32 years.
Profile Summary
About John Joseph Duffy at a glance
John Joseph Duffy is a Partner based in Chicago, Illinois, practicing at Donohue Brown Mathewson & Smyth LLC. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on product liability. Admitted to practice in Illinois (1994), U.S. District Court, Northern District of Illinois (1994), and Indiana (2008). Educated at Loyola University (J.D., 1994) and University of Iowa (B.A., 1990). Recognitions include BV Distinguished. Active member of Illinois State Bar Association. Serands clients in Chicago, IL and the surrounding metropolitan area.
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About
- John Joseph Duffy is a lawyer practicing ethics & professional responsibility, physicians, automotive product liability and 2 other areas of law
- John received a B.A. degree from University of Iowa in 1990, and has been licensed for 32 years
- John practices at Donohue Brown Mathewson & Smyth LLC in Chicago, IL
Practice Areas Explained
John Joseph Duffy's Areas of Practice
Each practice area below reflects the types of cases John Joseph Duffy handles, with a brief overview of what that area of law covers.
John Joseph Duffy is one of 66,193 product liability attorneys indexed nationally. Browse product liability 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.
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