Copyright: Copyright Overview
Types of Intellectual Property
This guide explains copyright, primarily U.S. copyright, which is only one type of intellectual property. For information about patents or trademarks, visit the U.S. Patents and Trademarks Office site. For more information about patents, check out the Patents guide.
Copyright Ownership: Who Owns What? (Stanford University Libraries)
What is copyright?
NOTE: This video was uploaded April 30, 2015, and is a good overview of U.S. copyright law. However, since that time, courts have ruled that "Happy Birthday" is in the public domain and no longer protected by copyright. That is the only item in this video that is out-of-date.