Sherwin Hayes Leff
as of 6/20/2026 3:03:24 AM
Sherwin Hayes Leff
Leff & Cohen, Ltd.
1036 Voltz Rd.
NORTHBROOK, Illinois 60062-4723
(847) 830-0909
jleff@retaonline.com
Date Admitted
May 16, 1967
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.