Could the Supreme Court change everything about marijuana laws in America?

A group of cannabis companies just asked the nation's top judges to hear their case—and what they're arguing could completely overturn federal marijuana prohibition.

This isn't just another lawsuit—it's a direct challenge to whether the federal government even has the constitutional right to ban marijuana that's grown and sold within a single state.

The case centers on a 20-year-old Supreme Court decision that these companies say was wrong from the start.

Now, with 38 states having legalized marijuana in some form, they believe the time has come for America's highest court to reconsider.

What's Happening?

On October 24, 2025, journalist Kyle Jaeger reported that a group of Massachusetts marijuana companies—Canna Provisions, Gyasi Sellers, Wiseacre Farm, and Verano Holdings—filed a petition asking the U.S. Supreme Court to take their case. They're being represented by a law firm called Boies Schiller Flexner LLP. The companies got extra time from the court about two months earlier to file their petition, which is a formal request asking the Supreme Court to hear their case.

What Are They Arguing?

The marijuana companies are challenging the Controlled Substances Act (CSA), which is the federal law that makes marijuana illegal across the entire country. They say the federal government doesn't have the constitutional power to make marijuana illegal when it's grown and sold completely within one state's borders.

Their argument is based on something called the Commerce Clause in the U.S. Constitution. This part of the Constitution gives Congress (the federal government) the power to regulate business activity that happens between different states—but the companies argue it doesn't give Congress power over marijuana activity that happens entirely within just one state.

The Old Case They Want Overturned

The companies want the Supreme Court to take another look at a famous 2005 case called Gonzales v. Raich. In that case, the Supreme Court narrowly decided that the federal government could enforce marijuana prohibition against someone growing cannabis entirely within California. The court said this was allowed because of Congress's power to regulate commerce between states.

The new petition calls the Raich decision "an aberration"—meaning it was a strange mistake that didn't fit with other Supreme Court decisions. The companies say it was "a drastic departure from the federalism principles" that the Constitution is supposed to protect. (Federalism means the balance of power between state governments and the federal government.)

Why Things Are Different Now

The petition points out that things have changed dramatically since 2005. Back when Raich was decided, only nine states had legalized marijuana. Today, 38 states have decided that marijuana should be legal in some form—either for medical use, adult use, or both.

The companies argue that the federal marijuana ban "displaces those states' choices and imposes Congress's own views on intrastate policy"—meaning it overrides what states have decided is best for their own citizens.

The petition also says the federal government has been sending mixed messages. Since 2014, Congress has blocked federal enforcement against state-regulated medical marijuana but not adult-use marijuana (even though both are still technically illegal under federal law). The Department of Justice has also had a policy of generally not enforcing marijuana laws in states where it's legal.

The companies say this "long period of desuetude"—a fancy word meaning when laws aren't enforced—has broken any connection between controlling state-regulated marijuana and regulating business between states.

What Happened in Lower Courts

The case hasn't gone well for the companies so far. A U.S. appeals court rejected their arguments in May 2025, and before that, a lower court dismissed their claims. However, the companies' lawyers always planned to eventually bring the case to the Supreme Court—that was their goal from the beginning.

The district court judge said there are "persuasive reasons for a reexamination" of marijuana's classification, but the judge's hands were tied by the old Raich decision.

Will the Supreme Court Take the Case?

For the Supreme Court to hear the case, four out of the nine justices must vote to accept it. Nobody knows yet if that will happen.

However, there's one interesting sign: Justice Clarence Thomas wrote a statement in 2021 that seemed to suggest the court should reconsider Raich. Thomas was commenting on a different marijuana case at the time, but he said federal marijuana policies over the past 16 years have "greatly undermined" the reasoning in Raich.

Thomas described the government's approach as "a half-in, half-out regime that simultaneously tolerates and forbids local use of marijuana." He said this situation "strains basic principles of federalism and conceals traps for the unwary."

What's Next?

The case is now officially called Canna Provisions v. Bondi. The Supreme Court will decide whether to accept it for review.

This is all happening while President Donald Trump is supposed to make a decision about moving marijuana to a different classification called Schedule III, which would make it less restricted. Trump said in late August 2025 that he'd decide within weeks, but he hasn't acted yet.

Separately, the Supreme Court agreed this week to hear a different case about whether people who use marijuana can be prohibited from buying or owning guns. The Trump administration argues that policy should stay in place because marijuana users "pose a clear danger of misusing firearms."

The Bottom Line

This case could potentially change federal marijuana laws across the entire country—if the Supreme Court decides to hear it and rules in the companies' favor. With 38 states having already legalized marijuana in some form, the companies argue that a 20-year-old court decision no longer makes sense in today's America.