Atty. John Leo Quinn

Atty. John Leo Quinn

John Leo Quinn is a lawyer. John has been licensed for 18 years.

Grayslake Grayslake 18 yrs experience 18 year
Call (224) 331-2902 Book Appointment

Profile Summary

About John Leo Quinn at a glance

John Leo Quinn is an attorney based in Grayslake, Illinois. They have 18+ years of legal experience, licensed to practice since 2008. Admitted to practice in Illinois (2008). Serands clients in Grayslake, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Leo Quinn is a lawyer
  • John has been licensed for 18 years
  • John practices in Grayslake, 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 Grayslake 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 Grayslake or all attorneys in Illinois.

Frequently Asked

Common questions about John Leo Quinn

Where is John Leo Quinn's law office located?
John Leo Quinn's law practice is located in Grayslake, Illinois. You can contact the office directly through this profile page.
How long has John Leo Quinn practiced law?
John Leo Quinn has 18+ years of legal experience and has been licensed since 2008.
How can I contact John Leo Quinn for a consultation?
You can contact John Leo Quinn 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: 2008

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