Atty. John Peter Antonopoulos

Atty. John Peter Antonopoulos

John Peter Antonopoulos is a lawyer practicing corporate & incorporation, probate, real estate and 1 other area of law. John received a B.B.A. degree from Loyola University - Chicago, IL, and has been licensed for 55 years.

Lemont Lemont 55 yrs experience 55 year
Call (224) 801-4736 Book Appointment

Profile Summary

About John Peter Antonopoulos at a glance

John Peter Antonopoulos is a formation, probate, real estate, and litigation attorney based in Lemont, Illinois. They have 55+ years of legal experience, licensed to practice since 1971. Admitted to practice in Illinois (1971). Educated at DePaul University J.D. (—) and Loyola University - Chicago, IL B.B.A. (—). Serands clients in Lemont, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Peter Antonopoulos is a lawyer practicing corporate & incorporation, probate, real estate and 1 other area of law
  • John received a B.B.A. degree from Loyola University - Chicago, IL, and has been licensed for 55 years
  • John practices in Lemont, IL

Practice Areas Explained

John Peter Antonopoulos's Areas of Practice

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

Business Formation

John Peter Antonopoulos is one of 35,584 formation attorneys indexed nationally. Browse formation attorneys in Illinois →

Probate

John Peter Antonopoulos is one of 128,014 probate attorneys indexed nationally. Browse probate attorneys in Illinois →

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

John Peter Antonopoulos is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Illinois →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

John Peter Antonopoulos is one of 454,532 litigation attorneys indexed nationally. Browse litigation 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 Lemont 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 Lemont or all attorneys in Illinois.

Frequently Asked

Common questions about John Peter Antonopoulos

Where is John Peter Antonopoulos's law office located?
John Peter Antonopoulos's law practice is located in Lemont, Illinois. You can contact the office directly through this profile page.
What practice areas does John Peter Antonopoulos handle?
John Peter Antonopoulos focuses on formation, probate, real estate, litigation. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has John Peter Antonopoulos practiced law?
John Peter Antonopoulos has 55+ years of legal experience and has been licensed since 1971.
Where did John Peter Antonopoulos go to law school?
John Peter Antonopoulos earned their education at (—); (—).
How can I contact John Peter Antonopoulos for a consultation?
You can contact John Peter Antonopoulos 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

DePaul University J.D.
- In Progress
Loyola University - Chicago, IL B.B.A.
- In Progress

Bar Admissions

Illinois
Admitted: 1971

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