Federal preemption stories

Jul 27, 2026

Federal Judge Blocks Minnesota's First-in-Nation Prediction Markets Ban

A federal judge granted a preliminary injunction Monday blocking Minnesota from enforcing a new law that would have made it the first state to ban prediction markets like Kalshi and Polymarket. The ruling came days before the law was set to take effect, with the judge finding it likely conflicts with the Commodity Exchange Act.

Jul 27, 2026·8 sources

Jun 25, 2026

Supreme Court Blocks Thousands of Lawsuits Against Bayer Over Roundup Cancer Claims

The U.S. Supreme Court ruled 7-2 in favor of Bayer's Monsanto division, blocking thousands of state-level lawsuits alleging the company failed to warn consumers that Roundup weedkiller could cause cancer. The decision establishes that federal pesticide labeling law preempts state liability claims.

Jun 25, 2026·9 sources

Jun 4, 2026

House Lawmakers Release Draft Federal AI Regulation Bill

Bipartisan House lawmakers released a 269-page draft bill that would prohibit states from passing laws targeting AI model development, establishing federal preemption for three years.

Jun 4, 2026·3 sources

May 16, 2026

Supreme Court Rules Freight Brokers Can Be Sued for Negligent Hiring of Dangerous Carriers

The Supreme Court unanimously ruled that state negligent-hiring claims against freight brokers are not preempted by federal law, potentially exposing 28,000 brokers to new liability for using dangerous trucking companies.

May 16, 2026·3 sources

Top claims

▪Under the Donald Trump administration, the Commodity Futures Trading Commission has argued that event contracts traded on prediction markets qualify as swaps under federal jurisdiction.
▪Judge Katherine Menendez ruled that the Commodity Exchange Act likely preempts Minnesota's law because the federal statute grants the CFTC exclusive jurisdiction over event contracts.
▪A White House teleprompter operator reportedly made over $100,000 by using inside information to bet on the content of Donald Trump's speeches on prediction markets.