A patent is a grant of property right by the government to an inventor preventing others from making, using, or selling a new and useful invention for a period of 20 years from application date.
Watch library videos on patents:
How are patents different from trademarks and copyrights?
Watch a video on IP basics from the U.S. Patent and Trademark Office: Basic Facts: Trademarks, Patents and Copyrights
Why search patents?
Searching patents during design can help you:
The most comprehensive source for U.S. patent and trademark information is the website of the U.S. Patent and Trademark Office: