Casey Kathleen O'Brien
as of 6/20/2026 3:13:53 AM
Casey Kathleen O'Brien
Ernst & Young
700 Nicollet Mall Suite 500
Minneapolis, Minnesota 55402-0075
(641) 430-0717
Not available
Date Admitted
June 20, 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, does not maintain malpractice insurance. (Some attorneys, such as judges, government lawyers, and in-house corporate lawyers, may not carry coverage due to the nature of their practice setting.)