Brett Cosich
as of 6/18/2026 3:08:25 AM
Brett Cosich
Proven IT
18450 Crossing Dr, Suite D
Tinley Park, Illinois 60487-9280
(773) 580-3239
Bcosich@gmail.com
Date Admitted
January 14, 2021
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.)