The United States Copyright Office (USCO), a part of the Library of Congress, is a United States government body that maintains records of copyright registration, including a copyright catalog. It is used by copyright title researchers who are attempting to clear a chain of title for copyrighted works. The head of the Copyright Office is the Register of Copyrights. The office is headed by Shira Perlmutter, since October 26, 2020,and currently serves as the official Register. The Copyright Office is located on the fourth floor of the James Madison Memorial Building of the Library of Congress, at 101 Independence Avenue SE, in Washington, DC. More information...

According to PR-model, is ranked 6,605th in multilingual Wikipedia, in particular this website is ranked 4,226th in English Wikipedia.

The website is placed before and after in the BestRef global ranking of the most important sources of Wikipedia.

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