Atty. John Ernst Tangren

Atty. John Ernst Tangren

John Ernst Tangren is a lawyer practicing litigation, class actions. John received a A.B. degree from University of Chicago in 2000, and has been licensed for 23 years.

Chicago Chicago 23 yrs experience 23 year
Call (872) 270-8523 Book Appointment

Profile Summary

About John Ernst Tangren at a glance

John Ernst Tangren is an Associate based in Chicago, Illinois, practicing at Grant & Eisenhofer P.A.. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on class action and litigation. Admitted to practice in Illinois (2003). Educated at University of Chicago (J.D., 2003) and University of Chicago (A.B., 2000). Serands clients in Chicago, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John Ernst Tangren is a lawyer practicing litigation, class actions
  • John received a A.B. degree from University of Chicago in 2000, and has been licensed for 23 years
  • John practices at Grant & Eisenhofer P.A. in Chicago, IL

Practice Areas Explained

John Ernst Tangren's Areas of Practice

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

Class Action

John Ernst Tangren is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Illinois →

Civil Litigation

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

John Ernst Tangren 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 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 John Ernst Tangren

Where is John Ernst Tangren's law office located?
John Ernst Tangren's law practice is located in Chicago, Illinois. The firm is Grant & Eisenhofer P.A.. You can contact the office directly through this profile page.
What practice areas does John Ernst Tangren handle?
John Ernst Tangren focuses on class action, litigation. Each practice area listed reflects experience handling cases of that type in Illinois.
How long has John Ernst Tangren practiced law?
John Ernst Tangren has 23+ years of legal experience and has been licensed since 2003.
Where did John Ernst Tangren go to law school?
John Ernst Tangren earned their education at (J.D., 2003); (A.B., 2000).
How can I contact John Ernst Tangren for a consultation?
You can contact John Ernst Tangren 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.

Practice Areas

Education

J.D.
University of Chicago
- 2003
A.B.
University of Chicago
- 2000

Bar Admissions

Illinois
Admitted: 2003

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