How do you enter private domain to public domain?

Answer:
Pubic domain occurs naturally when a copyright expires. In theory, a copyright owner can intentionally disclaim any power to enforce a copyright, making it as if it were "public domain".
First answer by Wutzyerproblem. Last edit by Wutzyerproblem. Contributor trust: 1133 [recommend contributor recommended]. Question popularity: 1 [recommend question].