Atty. Jon Randall Parrillo

Atty. Jon Randall Parrillo

Jon Randall Parrillo is a lawyer practicing litigation, arbitration, general practice and 2 other areas of law. Jon received a B.A. degree from Loyola University in 1983, and has been licensed for 39 years.

Chicago Chicago 39 yrs experience 39 year
Call (847) 984-3519 Book Appointment

Profile Summary

About Jon Randall Parrillo at a glance

Jon Randall Parrillo is a Partner based in Chicago, Illinois, practicing at Parrillo, Weiss & O'Halloran. They have 39+ years of legal experience, licensed to practice since 1987. Their practice focuses on personal injury, litigation, insurance, and adr. Admitted to practice in Illinois (1987) and U.S. District Court, Northern District of Illinois (1987). Educated at DePaul University School of Law (J.D., 1986) and Loyola University (B.A., 1983). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Jon Randall Parrillo is a lawyer practicing litigation, arbitration, general practice and 2 other areas of law
  • Jon received a B.A. degree from Loyola University in 1983, and has been licensed for 39 years
  • Jon practices at Parrillo, Weiss & O'Halloran in Chicago, IL

Practice Areas Explained

Jon Randall Parrillo's Areas of Practice

Each practice area below reflects the types of cases Jon Randall Parrillo handles, with a brief overview of what that area of law covers.

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

Jon Randall Parrillo is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Illinois →

Civil Litigation

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

Jon Randall Parrillo is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Illinois →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

Jon Randall Parrillo is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in Illinois →

Mediation & Arbitration

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

Jon Randall Parrillo is one of 73,906 adr attorneys indexed nationally. Browse adr 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 Chicago 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 Chicago or all attorneys in Illinois.

Frequently Asked

Common questions about Jon Randall Parrillo

Where is Jon Randall Parrillo's law office located?
Jon Randall Parrillo's law practice is located in Chicago, Illinois. The firm is Parrillo, Weiss & O'Halloran. You can contact the office directly through this profile page.
What practice areas does Jon Randall Parrillo handle?
Jon Randall Parrillo focuses on personal injury, litigation, insurance, adr. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has Jon Randall Parrillo practiced law?
Jon Randall Parrillo has 39+ years of legal experience and has been licensed since 1987.
Where did Jon Randall Parrillo go to law school?
Jon Randall Parrillo earned their education at (J.D., 1986); (B.A., 1983).
How can I contact Jon Randall Parrillo for a consultation?
You can contact Jon Randall Parrillo 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.
DePaul University School of Law
- 1986
B.A.
Loyola University
- 1983

Bar Admissions

Illinois
Admitted: 1987
U.S. District Court, Northern District of Illinois
Admitted: 1987

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