Cook County, Illinois v. Express Scripts, Inc

Court

District Court, N.D. Illinois (N.D. Ill.)
Official Court Website →

Assigned judge

Franklin U. Valderrama · 719 cases in index

Docket number

1:26-cv-00494

Cause

28:1331 Federal Question
28 U.S.C. § 1331 — Federal question jurisdiction

Nature of suit

890 Other Statutory Actions
Federal statutory claims not covered by a more specific category.

Jurisdiction

Diversity

Jury demand

Plaintiff

Date filed

01/16/2026

21,106 Federal Tax / Statutory Actions cases in this court are indexed here.

Parties

• plaintiff · Cook County, Illinois · 23 cases
• defendant · Express Scripts,Inc · 224 cases

Part of a Larger Litigation Pattern

This is one of 225 Federal Tax / Statutory Actions cases in our index naming Express Scripts,Inc — a possible mass-tort or coordinated-litigation cluster.

• State of Hawai'i, Ex Rel. Anne E. Lopez, Attorney General v. Express Scripts, Inc
  District Court, D. HawaiiFiled 10/24/2025
• Torrez v. Express Scripts, Inc
  District Court, D. New MexicoFiled 08/22/2025
• State of Utah v. Express Scripts, Inc
  District Court, D. UtahFiled 02/07/2025
• Express Scripts, Inc v. Federal Trade Commission
  District Court, E.D. MissouriFiled 11/19/2024
• Express Scripts, Inc v. The Federal Trade Commission
  District Court, E.D. MissouriFiled 09/17/2024
• The County of Albany, New York v. Express Scripts, Inc
  District Court, N.D. New YorkFiled 06/14/2024

About Federal Tax / Statutory Actions Lawsuits

This group covers federal tax disputes and other statutory actions, including IRS-related suits and claims arising under various federal regulatory statutes.

Frequently Asked Questions

What is Cook County, Illinois v. Express Scripts, Inc?

Cook County, Illinois v. Express Scripts, Inc is a federal federal tax / statutory actions lawsuit filed on 01/16/2026 in the District Court, N.D. Illinois. The case is currently open in the federal court system. This group covers federal tax disputes and other statutory actions, including IRS-related suits and claims arising under various federal regulatory statutes.

What type of case is this?

It is classified as “Federal Tax / Statutory Actions” under the federal nature-of-suit system. This group covers federal tax disputes and other statutory actions, including IRS-related suits and claims arising under various federal regulatory statutes.

What court is the case in?

The case is in the District Court, N.D. Illinois, docket number 1:26-cv-00494.

When was the case filed?

Cook County, Illinois v. Express Scripts, Inc was filed on 01/16/2026. The case is currently open.

What law is the case brought under?

The docket lists the cause as 28 U.S.C. § 1331 — Federal question jurisdiction.