United States Copyright Office
（重定向自U.S. Copyright Office）
![](/Images/godic/202502/19/US-CopyrightOffice-Seal.svg3421.png")
![](/Images/godic/202502/19/US-CopyrightOffice-Logo.svg3421.png"){kind=logo}
![The James Madison Memorial Building, which houses the office](/Images/godic/202502/19/MadisonBuildingLOC3421.JPG")
The United States Copyright Office, a part of the Library of Congress, is the official U.S. government body that maintains records of copyright registration in the United States, including a Copyright Catalog. It is used by copyright title searchers who are attempting to clear a chain of title for copyrighted works.