Atty. Jeffrey Marx

Atty. Jeffrey Marx

Jeffrey Marx is an associate attorney with Robert J. Callahan & Associates.

Chicago Chicago 13 yrs experience 13 year
Call (224) 561-0350 Book Appointment

Profile Summary

About Jeffrey Marx at a glance

Jeffrey Marx is an Associate based in Chicago, Illinois, practicing at Law Office of Robert J. Callahan. They have 13+ years of legal experience, licensed to practice since 2013. Admitted to practice in Illinois (2013). Educated at Northern Illinois University College of Law J.D. (—) and DePaul University B.A. (—). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jeffrey Marx is an associate attorney with Robert J. Callahan & Associates
  • He was born and raised in the Chicagoland area
  • Mr. Marx earned his J.D., cum laude, from Northern Illinois University College of Law and his B.A. from DePaul University
  • While in law school, Mr. Marx was a member of the NIU Law Review Board of Editors and the Christian Legal Society
  • Additionally, he was a 711 intern with the Cook County State’s Attorney’s Office and a judicial clerk for a presiding Cook County judge
  • Mr. Marx focuses mainly in the field of criminal defense –from major felonies to simple misdemeanors – and believes in honesty, empathy, and open communication with his clients

Jurisdictional Context

Why local counsel matters in Illinois

Practicing law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Chicago are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Jeffrey Marx

Where is Jeffrey Marx's law office located?
Jeffrey Marx's law practice is located in Chicago, Illinois. The firm is Law Office of Robert J. Callahan. You can contact the office directly through this profile page.
How long has Jeffrey Marx practiced law?
Jeffrey Marx has 13+ years of legal experience and has been licensed since 2013.
Where did Jeffrey Marx go to law school?
Jeffrey Marx earned their education at (—); (—).
How can I contact Jeffrey Marx for a consultation?
You can contact Jeffrey Marx directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

Northern Illinois University College of Law J.D.
- In Progress
DePaul University B.A.
- In Progress

Bar Admissions

Illinois
Admitted: 2013

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