<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The Copyright Clause (also known as the Intellectual Property Clause, Copyright and Patent Clause, or the Progress Clause) describes an enumerated power listed in the United States Constitution (Article I, Section 8, Clause 8). The clause states that the United States Congress shall have power "To promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their respective Writings and Discoveries ." </P> <P> The clause is the basis of intellectual property laws in the United States, specifically copyright and patent laws . </P>

Where does congress get its power to protect authors and inventors