William O'Brien
as of 6/20/2026 3:30:32 AM
William O'Brien
Thomas Quinn LLP
53 West Jackson Blvd Suite 1450
Chicago, Illinois 60604
(773) 938-3373
Not available
Date Admitted
November 16, 2020
Illinois Registration Status
Active and authorized to practice law
Malpractice Insurance
In annual registration, the attorney reported that the attorney, or the attorney’s firm, maintains malpractice insurance.