Copyright Validityit— - Effect of Registration is a legal concept related to the rights of a copyright holder. It refers to the validity of a copyright and the effect of registration of a copyright with a government agency or other authority. There are two main types of copyright protection: common law copyright protection and statutory copyright protection. Common law copyright protection is unregistered and provides a limited form of protection, whereas statutory copyright protection is registered and provides a longer and more comprehensive form of protection. When a copyright is registered, it is given a unique identifier that is used to identify the copyright and to help establish ownership. Registration grants the copyright holder certain exclusive rights, including the right to reproduce, distribute, display, and perform the work, as well as the right to make derivative works based on the copyrighted work. Registration also has a number of legal effects, such as providing the copyright holder with the right to sue for copyright infringement and allowing the copyright holder to collect statutory damages in the event of an infringement. In addition to registering a copyright, it is important for copyright holders to be aware of the validity of their copyright. A copyright is valid for the life of the author plus an additional 70 years, and it is important to note that the copyright is only valid in the country in which it is registered. It is also important to keep in mind that registering a copyright does not necessarily mean that the copyright will be enforced. It is up to the copyright holder to take enforcement action against any potential infringes.