Jonathan Earl Irwin
as of 6/18/2026 1:01:58 AM
Jonathan Earl Irwin
law offices of Joseph a. Marciniak
200 West Madison Street Suite 501
Chicago, Illinois 60606-3432
(312) 384-7711
Jonathan.irwin@thehartford.com
Date Admitted
November 09, 1989
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.