United States v. State of Arizona

Pending9th Cir.CFTC v. State

Last updated August 16, 2026. Snapshot — not legal advice.

Overview

Arizona was one of the trio (with Connecticut and Illinois) the United States (DOJ) and CFTC sued on April 2, 2026, asserting that state enforcement against prediction-market platforms is preempted. The complaint names the State, Governor Katie Hobbs, Attorney General Kristin Mayes, and the Arizona Department of Gaming. This civil preemption suit runs alongside the separate federal injunction that blocked Arizona’s criminal prosecution (KalshiEX LLC v. Johnson), also before Judge Liburdi. Pending. (Caption + docket confirmed against the CFTC complaint PDF and CourtListener: D. Ariz. No. 2:26-cv-02246.)

Timeline

April 2026

CFTC and DOJ sue Arizona (with Connecticut and Illinois).

What's next: Pending; pairs with the federal injunction blocking Arizona’s criminal prosecution.

Parties

Plaintiffs

  • United States of America (Department of Justice)
  • U.S. Commodity Futures Trading Commission

Defendants

  • State of Arizona
  • Katie Hobbs (Governor)
  • Kristin K. Mayes (Attorney General)
  • Arizona Department of Gaming
  • Jackie Johnson (Director) and Douglas Jensen (Chief Law Enforcement Officer)
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