John J. O'Sullivan
Recognized in Best Lawyers since 2027 About John J. O'Sullivan
John J. O'Sullivan is a lawyer based in Chicago, IL and has been recognized in The Best Lawyers in America® since 2027. John J. O'Sullivan is recognized in the following practice area:
- Chicago, Illinois
- Mass Tort Litigation / Class Actions - Defendants
Current Firm: Swanson, Martin & Bell LLP
Location: Chicago, IL
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