as of 6/18/2026 5:23:48 AM

Derek T. Allen

Robert A. Langendorf P.C.
134 North LaSalle St., Suite 1515
Chicago, Illinois 60602-1167

(312) 782-5933

Derekallenlaw1@gmail.com

Date Admitted

November 10, 1994

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.

Public Record of Discipline and Pending Proceedings

None

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