as of 6/18/2026 2:54:54 AM

Dennis Sean O'Brien

Illinois Workers' Compensation Commission
Illinois Workers Compensation Commission 69 W. Washington Street, Suite 900
Chicago, Illinois 60602

(312) 497-8727

Not available

Date Admitted

November 03, 1978

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.)

Public Record of Discipline and Pending Proceedings

None

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