Peter A. O'Brien
as of 6/18/2026 2:20:50 AM
Peter A. O'Brien
Arnel Inc
2530 Crawford Ave. Ste. 108
Evanston, Illinois 60201-4954
(847) 328-3354
Not available
Date Admitted
November 07, 1991
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.)