"Copyright is a legal concept, enacted by most governments, that grants the creator of an original work exclusive rights to its use and distribution, usually for a limited time, with the intention of enabling the creator of intellectual wealth (e.g. the photographer of a photograph or the author of a book) to receive compensation for their work and be able to financially support themselves...." Source: Wikipedia (http://en.wikipedia.org/wiki/Copyright )
"Copyright is automatically regulated by the Copyright law. The author does not have to deposit or register anything. Nor is it necessary to use the copyright sign or the phrase “All rights reserved”. ..... Source: CopyrightInformationSite