Final answer:
The lawsuit that is not based on copyright law is when a company sues an employee/director for misappropriating trade secrets.
Step-by-step explanation:
The lawsuit that is not based on copyright law is A. A company sued an employee/director who took a secret idea from private company meetings and used it for his own profit. This case involves the misappropriation of trade secrets, which is protected by trade secret law rather than copyright law.