Atty. John Zane Kosowski

Atty. John Zane Kosowski

John Zane Kosowski is a lawyer. John has been licensed for 33 years.

Oak Brook Oak Brook 33 yrs experience 33 year
Call (224) 452-6550 Book Appointment

Profile Summary

About John Zane Kosowski at a glance

John Zane Kosowski is an attorney based in Oak Brook, Illinois. They have 33+ years of legal experience, licensed to practice since 1993. Admitted to practice in Florida (1993) and Illinois (2014). Educated at University of Illinois College of Law JD - Juris Doctor (—). Serands clients in Oak Brook, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Zane Kosowski is a lawyer
  • John has been licensed for 33 years
  • John practices in Oak Brook, IL

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 Oak Brook 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 Oak Brook or all attorneys in Illinois.

Frequently Asked

Common questions about John Zane Kosowski

Where is John Zane Kosowski's law office located?
John Zane Kosowski's law practice is located in Oak Brook, Illinois. You can contact the office directly through this profile page.
How long has John Zane Kosowski practiced law?
John Zane Kosowski has 33+ years of legal experience and has been licensed since 1993.
Where did John Zane Kosowski go to law school?
John Zane Kosowski earned their education at (—).
How can I contact John Zane Kosowski for a consultation?
You can contact John Zane Kosowski 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

University of Illinois College of Law JD - Juris Doctor
- In Progress

Bar Admissions

Florida
Admitted: 1993
Illinois
Admitted: 2014

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