Operator v. state
QCX LLC v. Ellison
U.S. District Court for the District of Minnesota, 0:26-cv-02841
Injunction granted
Cite this page
Bluebook
QCX LLC v. Ellison, Prediction Market Laws (last updated Oct. 21, 2026), https://predictionmarketlaws.com/lawsuits/polymarket-v-ellison-dminn.
APA
Prediction Market Laws. (2026, October 21). QCX LLC v. Ellison. https://predictionmarketlaws.com/lawsuits/polymarket-v-ellison-dminn
Judge Katherine M. Menendez granted Polymarket US's preliminary-injunction motion on July 27, 2026 in a joint order with the Kalshi and federal-government cases. No appeal by Minnesota found as of Oct. 21, 2026.
The question
Whether the CEA preempts Minnesota's 2026 prediction-market ban as applied to Polymarket US.
Polymarket US joined the challenge to Minnesota's ban and was covered by the same July 2026 injunction ruling.
Docket timeline
Preliminary injunction granted (joint order docketed in lead case 0:26-cv-02661).
Source: dockets.justia.com
Complaint filed.
Source: dockets.justia.com