If a work is copyrighted, it must have a notice of copyright on it, such as ©, or others have the right to presume the work is in the public domain.

Question

Quizplus · Accepted Answer

While it used to be necessary to include a copyright notice in order to have copyright protection, this is no longer the case. Works are now assumed to have copyright protection even without a notice, so it is not necessary to include one in order to claim copyright.

If a Work Is Copyrighted, It Must Have a Notice