This document from the Agrawal Law Firm discusses copyright law. It states that copyright provides the exclusive right to copy and distribute a work, and exists as soon as a work is fixed in a tangible medium. Copyright protects original works including books, music, art, movies, and software. Copyright lasts for the life of the author plus 70 years or 95-120 years if a work is anonymous or for hire. Fair use allows copying for purposes like criticism, news reporting, teaching, and research. The copyright notice and registration provide additional legal protections.