填空题 Intellectual property, the product of a porson or a company" 1 , is protected through patents, namely, copyrights and trademarks. Copyrights protect original works of 2 , including books, 3 paintings, movies and architecture. Copyright has a time limit and after a period of time, the works can be copied or used 4 . Trademarks, different from copyrights, protect product 5 forever.