Dupuis v. Zillow Group Inc

Court

District Court, W.D. Washington (W.D. Wash.)
Official Court Website →

Assigned judge

John H. Chun · 110 cases in index

Docket number

3:26-cv-05049

Cause

15:15 Antitrust Litigation
15 U.S.C. § 15 — Clayton Act (private antitrust suits)

Nature of suit

410 Anti-Trust
Claims of unlawful restraint of trade, monopolization, or anticompetitive conduct under the Sherman and Clayton Acts.

Jurisdiction

Federal Question

Jury demand

Plaintiff

Date filed

01/16/2026

267 Antitrust cases in this court are indexed here.

Parties

• plaintiff · Dupuis · 108 cases
• defendant · Zillow, Inc Cryptocurrency & Blockchain · 58 cases

Part of a Larger Litigation Pattern

This is one of 59 Antitrust cases in our index naming Zillow, Inc — a possible mass-tort or coordinated-litigation cluster.

• Virginia v. Zillow Group, Inc
  District Court, E.D. VirginiaFiled 10/01/2025
• Federal Trade Commission v. Zillow Group, Inc
  District Court, E.D. VirginiaFiled 09/30/2025
• Compass, Inc v. Zillow, Inc
  District Court, S.D. New YorkFiled 06/23/2025
• Zillow Group Incorporated v. Arizona Regional Multiple Listing Service Incorporated
  District Court, D. ArizonaFiled 12/22/2023
• Demetres v. Zillow, Inc
  District Court, D. ConnecticutFiled 06/14/2021
• Rex - Real Estate Exchange Inc v. Zillow Inc
  District Court, W.D. WashingtonFiled 03/09/2021

About Antitrust Lawsuits

Antitrust lawsuits allege unlawful restraints on competition — price-fixing, monopolization, market allocation, or anticompetitive mergers — brought under federal antitrust statutes such as the Sherman and Clayton Acts.

Frequently Asked Questions

What is Dupuis v. Zillow Group Inc?

Dupuis v. Zillow Group Inc is a federal antitrust lawsuit filed on 01/16/2026 in the District Court, W.D. Washington. The case is currently open in the federal court system. Antitrust lawsuits allege unlawful restraints on competition — price-fixing, monopolization, market allocation, or anticompetitive mergers — brought under federal antitrust statutes such as the Sherman and Clayton Acts.

What type of case is this?

It is classified as “Antitrust” under the federal nature-of-suit system. Antitrust lawsuits allege unlawful restraints on competition — price-fixing, monopolization, market allocation, or anticompetitive mergers — brought under federal antitrust statutes such as the Sherman and Clayton Acts.

What court is the case in?

The case is in the District Court, W.D. Washington, docket number 3:26-cv-05049.

When was the case filed?

Dupuis v. Zillow Group 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 15 U.S.C. § 15 — Clayton Act (private antitrust suits).