Brian J. O'Sullivan
as of 6/20/2026 3:27:45 AM
Brian J. O'Sullivan
Husch Blackwell LLP
104 West 40th Street Suite 400
New York, New York 10018-3692
(202) 378-5851
Not available
Date Admitted
Illinois Registration Status
Active out of state lawyer permitted to practice pursuant to Rule 707 in specific Illinois proceedings as documented in the record of each proceeding. Contact ARDC Registration Department for permitted proceedings.
Malpractice Insurance
In annual registration, the attorney reported that the attorney, or the attorney’s firm, maintains malpractice insurance.