Atty. John Andrew Heintz

Atty. John Andrew Heintz

John Andrew Heintz is a lawyer practicing corporate law, intellectual property. John has been licensed for 19 years.

Mount Prospect Mount Prospect 19 yrs experience 19 year
Call (224) 365-6492 Book Appointment

Profile Summary

About John Andrew Heintz at a glance

John Andrew Heintz is a business and ip attorney based in Mount Prospect, Illinois. They have 19+ years of legal experience, licensed to practice since 2007. Admitted to practice in Illinois (2007). Serands clients in Mount Prospect, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Andrew Heintz is a lawyer practicing corporate law, intellectual property
  • John has been licensed for 19 years
  • John practices in Mount Prospect, IL

Practice Areas Explained

John Andrew Heintz's Areas of Practice

Each practice area below reflects the types of cases John Andrew Heintz handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

John Andrew Heintz is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Illinois →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

John Andrew Heintz is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Illinois →

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 Mount Prospect 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 Mount Prospect or all attorneys in Illinois.

Frequently Asked

Common questions about John Andrew Heintz

Where is John Andrew Heintz's law office located?
John Andrew Heintz's law practice is located in Mount Prospect, Illinois. You can contact the office directly through this profile page.
What practice areas does John Andrew Heintz handle?
John Andrew Heintz focuses on business, ip. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has John Andrew Heintz practiced law?
John Andrew Heintz has 19+ years of legal experience and has been licensed since 2007.
How can I contact John Andrew Heintz for a consultation?
You can contact John Andrew Heintz 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: 2007

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