James Gregory Martignon
as of 6/18/2026 6:49:54 AM
James Gregory Martignon
BMO Financial Group
320 S. Canal St. Suite 1200
Chicago, Illinois 60606-5707
(312) 356-5124
james.martignon@bmo.com
Date Admitted
November 07, 2002
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.)