United States' copyright law has its roots in the U.S. Constitution. The primary purpose of copyright is to "promote the Progress of Science and useful Arts, by securing for limited Tımes to Authors and Inventors the exclusive Right to their respective Writings and Discoveries." (U.S. Const. art. I, §8.)
A copyright owner of a work has the exclusive legal right to do and authorize any of the following:
Copyright law is complex and if you create works that are potentially financially valuable or prestigious, you may want to consult an intellectual property attorney to ensure you protect your rights appropriately. But, here are some basic tips to help you understand how your rights are or are not protected.