How Long Does Patent Protection Last? The term of a patent is 20 years from the date on which the application is filed. A renewal fee is required annually. When the patent rights expire, the technology becomes public property and the public is free to use it for their own good. By admin|2018-01-04T12:45:44+00:00January 4th, 2018|Patent|0 Comments Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail About the Author: admin Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment.