> output from LLMs, once published, is essentially in the Public Domain, since there isn't any human who owns it

That’s not what the court case in question was about: https://www.morganlewis.com/pubs/2026/03/us-supreme-court-de...

If I ask an LLM to come up with an entirely new story on its own, the output is not copyrightable.

But if I feed an LLM a Tom Clancy novel and ask it to regurgitate that same novel, I cannot legally then put the output on a website for anyone to download.

AI rewrite one of the Microsoft source code leaks to Rust and publish it as open source on GitHub. We will soon find out what the answer is.