> It means as long as you can find a few employees who testify that they made "creative input" during the process and nobody can disprove that, you're fine.

Have you been involved in copyright or patent litigation?

Because it's not that easy.

It's usually easier than that, as one by default hold the copyright of their works. Typically a company doesn't need to provide the whole working process and files to the court to claim copyright over their published products / to accuse pirates for violation.

If you're on the defendant side of a copyright violation case, it's extremely hard to use "well the original author didn't really make it...* as a defense.