Copyright is the exclusive legal right to reproduce, publish, sell, perform or prepare derivitives of an original fixed work such as literary, artistic, musical, dramatic or related works. Since copyright is controlled by federal law, this book is a national text that answers every practical question relating to ownership use and transfer of copyrights. It is a practical work that contains forms, regulations and detailed instructions on registering, assigning and acquiring copyright, as well as information about investigating imitations and stopping infringers. There is substantial legal background including references to all major cases as well as historical background inlcuding some emphasis on the landmark decisions of Learned Hand.