Brian Warren Cook
as of 6/18/2026 2:53:53 AM
Brian Warren Cook
Sidley Austin LLP
One South Dearborn Street
Chicago, Illinois 60603-2302
(312) 853-0464
Not available
Date Admitted
November 09, 2017
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.