Library of Congress. Copyright Office
The United States Copyright Office (USCO), a part of the United States Library of Congress, is a United States government body that registers copyright claims, records information about copyright ownership, provides information to the public, and assists Congress and other parts of the government on a wide range of copyright issues. It maintains online records of copyright registration and recorded documents within the copyright catalog, which is used by copyright title researchers who are attempting to clear a chain of title for copyrighted works.
