Av. John D. Koenen

Av. John D. Koenen

John D. Koenen is a lawyer.

Barrington Barrington 45 Yıl Deneyim 45 yıl
Call (224) 331-2902 Book Appointment

Profile Summary

About John D. Koenen at a glance

John D. Koenen is an attorney based in Barrington, Illinois. They have 45+ years of legal experience, licensed to practice since 1981. Admitted to practice in Illinois (1981). Serands clients in Barrington, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Hakkında

  • John D. Koenen is a lawyer
  • John has been licensed for 45 years
  • John practices in Barrington, 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 Barrington 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 Barrington or all attorneys in Illinois.

Frequently Asked

Common questions about John D. Koenen

Where is John D. Koenen's law office located?
John D. Koenen's law practice is located in Barrington, Illinois. You can contact the office directly through this profile page.
How long has John D. Koenen practiced law?
John D. Koenen has 45+ years of legal experience and has been licensed since 1981.
How can I contact John D. Koenen for a consultation?
You can contact John D. Koenen 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.

Bar Admissions

Illinois
Admitted: 1981

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