Intellectual Property Research Guide: Copyright Public Domain Tools

The Intellectual Property Research Guide covers resources for researching patent, trademark, copyright, trade secret, right of publicity, and other areas of intellectual property law.

About Copyright Public Domain Tools

This page links to resources for determining whether a potentially copyrighted work is in the public domain.

Copyright Public Domain Tools

Copyright Term and the Public Domain in the United States
Guide, hosted on Cornell University's website, for determining whether work is in the public domain.
Is it Protected by Copyright?
Guide from the American Library Association Office for Information Technology Policy for determining whether a work is in the public domain.
Public Domain Day
Website from Duke Law identifying works entering the public domain on January 1 with an archive dating back to 2010.

Subject Guide

Nanette Norton