Copyright protects the work of authors for a period of time. "To promote the progress of science and useful arts, by securing for limited times to authors and inventors exclusive right to their respective writings and discoveries" (U.S. Constitution, Arti ...
The U.S. is a party of numerous treaties related to copyright and intellectual property. Treaties in Force, published annually by the Department of State, provides information on treaties and other international agreements to which the United States has b ...