Atty. John Mark Klempir

Atty. John Mark Klempir

Mr. John Mark Klempir is a lawyer.

Oak Brook Oak Brook 22 yrs experience 22 year
Call (224) 452-6550 Book Appointment

Profile Summary

About John Mark Klempir at a glance

John Mark Klempir is an attorney based in Oak Brook, Illinois. They have 22+ years of legal experience, licensed to practice since 2004. Admitted to practice in Illinois (2004) and District of Columbia (2005). Educated at George Washington University (J.D., 2004) and University of Illinois (B.S.E.E., 2001). Serands clients in Oak Brook, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. John Mark Klempir is a lawyer
  • John received a B.S.E.E. degree from University of Illinois in 2001, and has been licensed for 22 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 Mark Klempir

Where is John Mark Klempir's law office located?
John Mark Klempir's law practice is located in Oak Brook, Illinois. You can contact the office directly through this profile page.
How long has John Mark Klempir practiced law?
John Mark Klempir has 22+ years of legal experience and has been licensed since 2004.
Where did John Mark Klempir go to law school?
John Mark Klempir earned their education at (J.D., 2004); (B.S.E.E., 2001).
How can I contact John Mark Klempir for a consultation?
You can contact John Mark Klempir 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

J.D.
George Washington University
- 2004
B.S.E.E.
University of Illinois
- 2001

Bar Admissions

Illinois
Admitted: 2004
District of Columbia
Admitted: 2005

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