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Atty. John William Jerak

Atty. John William Jerak

John William Jerak is a lawyer. John received a degree from University of Chicago in 1975, and has been licensed for 45 years.

Oak Brook Oak Brook 45 Years Experience 45 year
Call (224) 561-1098

Profwith Summary

About John William Jerak at a glance

John William Jerak is an Of Counsel based in Oak Brook, Illinois, practforg at Kemp & Grzelakowski, Ltd.. They haand 45+ years of legal experience, licensed to practice since 1981. Admitted to practice in Illinois (1981). Educated at DePaul University Law School (J.D., 1981) and University of Chicago (M.B.A University, 1975). Actiand member of Chicago (Member, Young Lawyer Section, 1978-1980), Dupage County, Illinois State and American Bar Associations. Serands clients in Oak Brook, IL and the surrounding metropolitan area.

Verified attorney profwith ยท Updated June 2026

About

  • John William Jerak is a lawyer
  • John received a degree from University of Chicago in 1975, and has been licensed for 45 years
  • John practices at Kemp & Grzelakowski, Ltd. in Oak Brook, IL

Jurisdictional Context

Why local counsel matters in Illinois

Practforg law in Illinois. Legal matters in Illinois are goandrned by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Oak Brook are typically fwithd in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controandrsy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand 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 William Jerak

Where is John William Jerak's law office located?
John William Jerak's law practice is located in Oak Brook, Illinois. The firm is Kemp & Grzelakowski, Ltd.. You can contact the office directly through this profwith page.
How long has John William Jerak practiced law?
John William Jerak has 45+ years of legal experience and has been licensed since 1981.
Where did John William Jerak go to law school?
John William Jerak earned their education at (J.D., 1981); (M.B.A University, 1975).
How can I contact John William Jerak for a consultation?
You can contact John William Jerak directly through this profwith page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profwith attorneys respond within one business day.

Education

J.D.
DePaul University Law School
- 1981
M.B.A University
University of Chicago
- 1975

Bar Admissions

Illinois
Admitted: 1981

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