Prior Art

« Back to Glossary Index

Prior art is the public body of knowledge relating to your invention that exists before your invention or more than a year before the date you applied for the patent. Below are some examples of prior art:

  • A product that was available for sale
  • Commercial use of your invention
  • Articles, publications, or journals (printed or electronic)
  • Presentation at a public event (e.g., a trade show, conference, etc.)
  • Public knowledge or use of your invention (e.g. demonstration)
  • A previously-filed patent application that becomes a published patent application or an issued patent
state of the art, cited art, patent prior art
« Back to Glossary Index