Sean H. De Mello
as of 6/18/2026 4:57:09 AM
Sean H. De Mello
Williamson County States Attorneys Office
Williamson County Courthouse 200 West Jefferson St.
Marion, Illinois 62959
(618) 997-1301
Not available
Date Admitted
May 04, 1993
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.)