AI copyright

Ninth Circuit GitHub Copilot DMCA Ruling: What It Actually Changes

The Ninth Circuit rejected one DMCA §1202 theory involving GitHub Copilot but left major AI copyright questions open, including training-stage CMI, infringement, fair use, and licensing.

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TL;DR:
The Ninth Circuit GitHub Copilot DMCA ruling narrows one output-side copyright-management-information theory. It leaves training-stage CMI, infringement, fair use, and separate licensing questions unresolved.

What You Need to Know

The change: The Ninth Circuit rejected the plaintiffs’ output-side §1202 theory on the allegations before it. It did not hold that §1202 requires literal identity between an original work and a challenged copy. Ninth Circuit opinion
Who is affected: AI developers, companies using code-generation systems, general counsel, AI-governance teams, and open-source program offices.
Why it matters: The decision narrows one DMCA pathway in the Ninth Circuit but does not decide whether AI training is lawful or whether particular outputs infringe copyright.
What to do first: Separate CMI/DMCA, training, output-infringement, fair-use, and license or contract questions in internal AI copyright reviews.
Key date: The Ninth Circuit filed its published opinion in Doe v. GitHub, Inc., No. 24-7700, on September 16, 2026. Read the published opinion

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