OCTOBER TERM, 2024 · DECIDED APRIL 2, 2025 · 5–4

604 U.S. ___ · No. 23-365 · Argued October 15, 2024

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Medical Marijuana, Inc. v. Horn

AffirmedFinal ruling
civil RICOpersonal injury lawsuitsconsumer fraudfederal racketeeringemployment

Opinion of the Court by Justice Barrett, joined by Justices Sotomayor, Kagan, Gorsuch, and Jackson

The Supreme Court ruled that RICO's civil lawsuit provision does not automatically bar someone from recovering business or financial losses just because those losses grew out of a personal injury — the statute limits what kind of harm can be recovered, not what caused the harm.

The decision resolves a split among the federal appeals courts and could open the door to more RICO suits by people who were personally harmed by a company's fraud and also lost their jobs or income as a result.

How it got here: A federal district court granted summary judgment to Medical Marijuana; the Second Circuit reversed; Medical Marijuana asked the Supreme Court to hear the case to resolve a split among the federal appeals courts, and the Court agreed.

The Case in Depth

What happened

Douglas Horn was a commercial truck driver who bought "Dixie X," a CBD product marketed as completely THC-free, to manage chronic pain from a truck crash. After taking it, he tested positive for THC in a random workplace drug test and was fired when he refused to attend a substance-abuse program. A third-party lab later confirmed the product did contain THC. Horn sued the manufacturer under civil RICO, claiming that fraudulent advertising about the product's THC content amounted to racketeering that cost him his job.

The question before the Court

Can a person sue for lost income or other business losses under the federal anti-racketeering law (RICO), even if those losses were caused by a personal injury?

The Court's answer

Yes — the Court ruled that civil RICO does not categorically bar someone from recovering for harm to their business or property just because a personal injury triggered that harm. The statute's "business or property" requirement defines the kind of harm a plaintiff can recover for — not the cause of that harm. A plaintiff can collect for business or property losses even if a personal injury set the chain of events in motion, but still cannot collect for the personal injury itself (like pain and suffering).

The Court rejected Medical Marijuana's argument that "injured" is a specialized legal term meaning only the invasion of a legal right recognized by tort law, finding that context favors the word's ordinary meaning — harmed or damaged. It also noted that its own prior RICO decisions have long used "injury" and "harm" interchangeably.

Curious how the Court got there? See the step-by-step legal reasoning →

Why it matters

Workers, consumers, and others who suffer a personal injury caused by corporate fraud and also lose their livelihoods as a result can now potentially seek triple damages under federal RICO, rather than being limited to state-court tort suits. Businesses that engage in fraudulent marketing or racketeering face expanded civil liability for the downstream economic consequences of their misconduct.

What changes now

The case returns to the lower courts for further proceedings. Horn faces a significant hurdle: the majority itself flagged that RICO's strict direct-relationship requirement — demanding a close causal link between Medical Marijuana's misrepresentations and Horn's firing — may pose an "insurmountable obstacle." Lower courts will also still need to work out unresolved questions about whether "business" under RICO covers employment and what "injured in his property" means.

What this does not decide

The Court explicitly did not decide: whether Horn actually suffered a personal injury when he ingested THC; whether "business" under RICO covers all aspects of employment; or what "injured in his property" means. It also did not hold that Horn will ultimately win his RICO claim, noting he faces a heavy burden on causation on remand.

Concurrences and dissents

Concurrence — Justice Jackson

Justice Jackson wrote separately to highlight Congress's express instruction that RICO 'shall be liberally construed to effectuate its remedial purposes.' She argued this directive independently supports the majority's rejection of Medical Marijuana's effort to add textually unsupported hurdles to the statute's civil cause of action.

Dissent — Justice Thomas

Justice Thomas would have dismissed the case as improvidently granted rather than deciding it. He argued the case was ill-suited to resolve the circuit split because the parties vigorously dispute whether Horn suffered a personal injury at all — making the Court's answer potentially advisory — and because neither party adequately briefed the full meaning of 'injured in his business or property.' He agreed with the majority that no categorical 'antecedent-personal-injury bar' exists, but believed the Court's narrow holding fails to resolve the real dispute and will spawn further confusion.

Dissent — Justice Kavanaugh

Today, the Court replaces a statutory limit derived from centuries of tort law with a punt that will leave substantial confusion and litigation in its wake.Kavanaugh's closing criticism that the majority's ruling opens federal courts to personal-injury suits without resolving key follow-on questions.

Justice Kavanaugh, joined by the Chief Justice and Justice Alito, argued that 'injured' is a longstanding tort-law term of art meaning the invasion of a legally protected right — not merely harm or loss. Under that reading, a plaintiff who suffers only a personal injury has not been 'injured in his business or property' for RICO purposes, even if that personal injury leads to lost wages or medical expenses. He criticized the majority for using ordinary-meaning analysis to let traditional personal-injury suits into federal court with treble damages, and warned the decision would generate significant confusion because the Court declined to decide whether lost wages and medical expenses are recoverable business or property losses.

How the Court got there

The legal reasoning, step by step

  1. The ordinary meaning of 'injure' is to cause harm or damage. So the statutory phrase 'injured in his business or property' means simply that the plaintiff's business or property was harmed — nothing more. The Court treated this as the most natural reading of the statutory text.
  2. The 'business or property' requirement draws a line about *what kind* of harm can be recovered: business and property harm, yes; personal harm like pain and suffering, no. By explicitly covering business and property harms, RICO implicitly excludes personal-injury harms. But that limitation addresses the type of recoverable harm, not what caused it — so business losses triggered by a personal injury are not automatically disqualified.
  3. Medical Marijuana argued that 'injured' should be read as a legal term of art meaning 'invasion of a legal right,' so that a personal-rights violation can never support a RICO claim. The Court rejected this: when a word carries both ordinary and specialized meanings, context governs. Here, the statute uses 'injured' (not 'injury'), and even law dictionaries define 'injured' in its ordinary sense — hurt, damaged, or wounded.
  4. The Court's own prior RICO decisions (Sedima, Anza, Hemi Group) consistently treat 'injury,' 'harm,' and 'damage' as interchangeable. A tort-centric reading of 'injured' would also conflict with the contextual, fact-based approach the Court adopted in Yegiazaryan v. Smagin for locating where a RICO injury occurred — the Court had rejected the very common-law approach Medical Marijuana now proposed.
  5. Medical Marijuana's reliance on antitrust precedent failed on two grounds: antitrust law does not actually require tort-defined business or property injuries the way Medical Marijuana claimed, and in Sedima the Court already declined to transplant antitrust-style injury requirements into the RICO context, expressly recognizing the two statutes are not interchangeable.
  6. The Court acknowledged concerns that the ruling could flood federal courts with personal-injury cases dressed up as RICO claims, but emphasized that meaningful constraints remain: RICO requires a direct causal link between the racketeering conduct and the harm (not merely foreseeability), and plaintiffs must show a pattern of at least two related predicate crimes — a single tort does not qualify. Any further correction is for Congress to make.

Doctrinal impact

Laws and provisions at issue

18 U.S.C. § 1964(c)

Civil RICO provision allowing anyone harmed in their business or property by racketeering to sue for triple damages.

Cases affected by this decision

Reaffirms Sedima, S. P. R. L. v. Imrex Co. (473 U. S. 479)

Confirmed that 'compensable injury' in RICO means harm caused by predicate acts, not a specialized tort-law concept.

Distinguishes RJR Nabisco, Inc. v. European Community (579 U. S. 325)

Agreed RICO excludes personal injuries but clarified that rule limits the type of recoverable harm, not its cause.

Supreme Court Opinion

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Medical Marijuana, Inc. v. Horn | SCOTUS Reporter