Atty. John Joseph O'Sullivan

Atty. John Joseph O'Sullivan

John Joseph O'Sullivan is a lawyer practicing personal injury, asbestos litigation, toxic tort litigation and 1 other area of law. John received a B.A. degree from University of Illinois at Urbana-Champaign in 1990, and has been licensed for 32 years.

Chicago Chicago 32 yrs experience 32 year
Call (312) 625-2017 Book Appointment

Profile Summary

About John Joseph O'Sullivan at a glance

John Joseph O'Sullivan is a Partner based in Chicago, Illinois, practicing at Swanson, Martin & Bell, LLP. They have 32+ years of legal experience, licensed to practice since 1994. Their practice focuses on personal injury, litigation, and environmental. Admitted to practice in Illinois (1994). Educated at Louisiana State University Law Center (J.D., 1993) and University of Illinois at Urbana-Champaign (B.A., 1990). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Joseph O'Sullivan is a lawyer practicing personal injury, asbestos litigation, toxic tort litigation and 1 other area of law
  • John received a B.A. degree from University of Illinois at Urbana-Champaign in 1990, and has been licensed for 32 years
  • John practices at Swanson, Martin & Bell, LLP in Chicago, IL

Practice Areas Explained

John Joseph O'Sullivan's Areas of Practice

Each practice area below reflects the types of cases John Joseph O'Sullivan handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

John Joseph O'Sullivan is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Illinois →

Civil Litigation

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

John Joseph O'Sullivan 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.

John Joseph O'Sullivan is one of 56,434 environmental attorneys indexed nationally. Browse environmental 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 John Joseph O'Sullivan

Where is John Joseph O'Sullivan's law office located?
John Joseph O'Sullivan's law practice is located in Chicago, Illinois. The firm is Swanson, Martin & Bell, LLP. You can contact the office directly through this profile page.
What practice areas does John Joseph O'Sullivan handle?
John Joseph O'Sullivan focuses on personal injury, litigation, environmental. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has John Joseph O'Sullivan practiced law?
John Joseph O'Sullivan has 32+ years of legal experience and has been licensed since 1994.
Where did John Joseph O'Sullivan go to law school?
John Joseph O'Sullivan earned their education at (J.D., 1993); (B.A., 1990).
How can I contact John Joseph O'Sullivan for a consultation?
You can contact John Joseph O'Sullivan 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.
Louisiana State University Law Center
- 1993
B.A.
University of Illinois at Urbana-Champaign
- 1990

Bar Admissions

Illinois
Admitted: 1994

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