John Brian Diefenbach
as of 6/20/2026 3:06:55 AM
John Brian Diefenbach
Fosolo & Diefenach
539 W. Commerce St. Suite 205
Dallas, Texas 75208
(469) 284-0862
john@foodlawfirm.com
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
No malpractice report received as attorney is not registered