Mark Clifton Brown
as of 6/18/2026 2:41:17 AM
Mark Clifton Brown
The Options Clearing Corporation
The Options Clearing Corporation 125 S. Franklin Street, Suite 1200
Chicago, Illinois 60606-4601
(312) 322-1801
Not available
Date Admitted
June 22, 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.