John Michael Callahan
as of 6/18/2026 5:05:26 AM
John Michael Callahan
McDermott Will & Schulte LLP
444 West Lake Street
Chicago, Illinois 60606-0029
(312) 984-7553
jcallahan@mwe.com
Date Admitted
November 10, 1994
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.