case-law

Did the Supreme Court Rule on AI Copyright?

By Nora Whitfield · September 2, 2026

Did the Supreme Court Rule on AI Copyright?

Short answer: not directly, but it did make a decision that ended the most important AI authorship case in the country. On March 2, 2026, the Supreme Court denied certiorari in Thaler v. Perlmutter, meaning it declined to hear the case. That leaves the D.C. Circuit's ruling standing as final: a work needs a human author, and AI cannot be listed as one.

Here's what that means, and what it doesn't.

What "denied certiorari" actually means

The Supreme Court doesn't hear every case that's appealed to it. Parties petition for review, and the Court chooses which petitions to grant. When it denies certiorari, it isn't ruling on the merits of the case. It's declining to take it up at all, which has the practical effect of leaving whatever the lower court decided in place, permanently, with no further appeal available.

So the Supreme Court itself never wrote an opinion weighing in on AI and copyright. What actually happened is that Stephen Thaler, who tried to register a copyright with his AI system, which he calls the Creativity Machine, listed as the sole author, lost at the Copyright Office, lost in district court, and lost at the D.C. Circuit Court of Appeals, which ruled in March 2025 that the Copyright Act requires a human author throughout. When Thaler asked the Supreme Court to review that ruling, the Court said no. That denial is the "Supreme Court" part of this story, and it's a procedural decision, not a substantive one, even though its practical effect is exactly the same as if the Court had affirmed the D.C. Circuit outright.

Is this a copyright ruling or not?

It's genuinely both, functionally. A cert denial doesn't create new binding precedent the way a full Supreme Court opinion would, and technically the D.C. Circuit's opinion is what remains as controlling law, not a new Supreme Court holding. But because the denial forecloses any further appeal, the D.C. Circuit's rule, that a work of authorship under the Copyright Act must have a human author, is now as settled as it's going to get without Congress rewriting the statute. For practical purposes, if you're asking "is this decided," the answer is yes.

What it actually decided

The rule that's now locked in: if a work has no human author anywhere in its creation, it cannot be copyrighted, full stop. That's it. That's the whole holding. It's a narrow rule, but it's foundational, because it establishes the floor that every other AI authorship question sits on top of.

For the full breakdown of the case, the reasoning the D.C. Circuit used, and why the case matters even though Thaler's facts were unusual, read our deep dive on Thaler v. Perlmutter: Machines Cannot Be Authors.

What it didn't decide

This is where a lot of confusion creeps in, so it's worth being precise. The Thaler cert denial did not rule that AI-assisted works can't be copyrighted. It did not rule that using AI tools poisons your ability to claim a copyright. It did not set any standard for how much human involvement is enough, how detailed a prompt needs to be, or how much editing counts as meaningful creative control. Thaler's case never reached those questions, because he didn't argue he'd contributed too little creative input. He argued the machine should be treated as the author on its own, with no human authorship claim at all. The courts answered exactly that narrow question and nothing more.

The actual "how much is enough" line is being drawn elsewhere, through the Copyright Office's registration decisions in cases like Zarya of the Dawn and Théâtre D'opéra Spatial, and through the Office's formal guidance in its January 2025 report on copyrightability. None of that guidance came from the Supreme Court. It's administrative and lower-court law, built case by case.

Is there an AI copyright class action at the Supreme Court?

Not yet, and it's worth separating this from the Thaler question entirely, since people sometimes search for both at once. The class action lawsuits getting the most attention right now, the authors' suits against OpenAI, the Getty Images suits against Stability AI, the Anthropic settlement, the Suno and Udio music cases, are working through federal district and appellate courts, not the Supreme Court. None of them have reached a cert petition yet, let alone a grant. If and when one does reach the Supreme Court, it'll be addressing a different question than Thaler did: not whether AI alone can be an author, but whether training AI models on copyrighted material without a license is fair use. That's a live, unresolved fight, and you can track its current state in our complete guide to every AI copyright lawsuit worth knowing.

So to directly answer the question in the title: the Supreme Court didn't write an opinion on AI copyright, but its decision not to hear Thaler's appeal locked in the one rule everyone in this space now treats as settled. Everything else, how much human input is enough, whether training data use is fair use, is still being worked out elsewhere.