External Links

Our website may link to other federal agencies’ and other organizations’ websites when there is a business reason to do so. The links are not endorsements of the content of the websites, or of their policies or products.

The Copyright Office does not engage in reciprocal linking arrangements. If you create a link to, you must do so in a manner that does not imply any affiliation with or endorsement by the Copyright Office for your expertise or websites.


To maintain the security of our website, and to ensure that it remains available to you, we use software programs to monitor network traffic. The programs identify unauthorized attempts to upload or change information, deny service, or otherwise cause damage or access non-public information. Unauthorized attempts to upload or change information are strictly prohibited and may be punishable under the United States criminal code (18 U.S.C. 1030). We may provide information about possible violations of the law to law enforcement officials.

We reserve the right to block IP addresses that fail to honor our website’s robot.txt files, or submit requests at a rate that negatively impacts service delivery to patrons. Current guidelines recommend that software programs submit a total of no more than 10 requests per minute to our applications, regardless of the number of machines used to submit requests. We also reserve the right to terminate programs that require more than 24 hours to complete.

Use of Intellectual Property on Copyright Office Website

You may not use the Copyright Office website in any manner that infringes the intellectual property rights or other proprietary rights of any third party including, without limitation, material protected by copyright, trademark, patent, trade secret, or other intellectual property right used without proper authorization. Infringement may result from, among other activities, the unauthorized posting of text, pictures, logos, software, articles, musical works, and videos.

The Copyright Office’s Designated Agent to receive notification of claimed infringement under the Digital Millennium Copyright Act (“DMCA”), 17 U.S.C. § 512, is:

General Counsel
United States Copyright Office
101 Independence Ave. S.E.
Washington, DC 20559-6000
Phone: (202) 707-3000
Email: [email protected]

Library of Congress Vulnerability Disclosure Program

The community of security researchers plays an important and vital role in information technology (IT) security. The Library of Congress welcomes reports from security researchers, and encourages researchers to report any vulnerabilities they discover in Library web applications as soon as possible. This page provides a set of public rules and guidelines for researchers to report potential vulnerabilities in the Library’s public-facing websites and how the Library will work with a researcher after a vulnerability has been validated.