William John Barrett
as of 6/20/2026 3:27:47 AM
William John Barrett
Barack, Ferrazzano, Kirschbaum & Nagelberg, LLP
200 West Madison Street Suite 3900
Chicago, Illinois 60606-3459
(312) 984-3100
Not available
Date Admitted
October 01, 1991
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.