Good luck proving your data was laundered and included in a training run

Anthropic happily paid billions to settle a lawsuit for pirating books. It's a trivial cost of doing business. If you're lucky you'll get a pittance after the fact by suing them, but a contract doesn't prevent them from doing the thing you don't want them to do and that they are obviously going to do given their past behaviour.

I mean...

https://www.wsj.com/tech/ai/jury-sides-with-openai-sam-altma...