Atty. E John Heiser

Atty. E John Heiser

E John Heiser is a lawyer practicing general corporate for north america. E received a B.A. degree from University of Iowa in 1984, and has been licensed for 39 years.

Naperville Naperville 39 yrs experience 39 year
Call (224) 801-3878 Book Appointment

Profile Summary

About E John Heiser at a glance

E John Heiser is a business attorney based in Naperville, Illinois. They have 39+ years of legal experience, licensed to practice since 1987. Admitted to practice in Louisiana (1987), U.S. District Court, Eastern, Middle and Western Districts of Louisiana (1987), and Florida (1994). Educated at Tulane University (J.D., 1987) and University of Iowa (B.A., 1984). Serands clients in Naperville, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • E John Heiser is a lawyer practicing general corporate for north america
  • E received a B.A. degree from University of Iowa in 1984, and has been licensed for 39 years
  • E practices in Naperville, IL

Practice Areas Explained

E John Heiser's Areas of Practice

Each practice area below reflects the types of cases E John Heiser 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.

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

Jurisdictional Context

Why local counsel matters in Illinois

Practforg law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Naperville 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 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 Naperville or all attorneys in Illinois.

Frequently Asked

Common questions about E John Heiser

Where is E John Heiser's law office located?
E John Heiser's law practice is located in Naperville, Illinois. You can contact the office directly through this profile page.
What practice areas does E John Heiser handle?
E John Heiser focuses on business. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has E John Heiser practiced law?
E John Heiser has 39+ years of legal experience and has been licensed since 1987.
Where did E John Heiser go to law school?
E John Heiser earned their education at (J.D., 1987); (B.A., 1984).
How can I contact E John Heiser for a consultation?
You can contact E John Heiser 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.
Tulane University
- 1987
B.A.
University of Iowa
- 1984

Bar Admissions

Louisiana
Admitted: 1987
U.S. District Court, Eastern, Middle and Western Districts of Louisiana
Admitted: 1987
Florida
Admitted: 1994

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