This subject guide provides a starting point for research in patents and trademarks at the Patent and Trademark Resource Center at the AAEL at University of Michigan. We are currently closed due to COVID-19. Please send email to email@example.com, if you
If you intend to make, use, or sell an invention of yours, you should find out whether someone else has created something like it already. You have a number of options when it comes to searching for patents. Below are some patent searching sites.
Derwent Innovations Index facilitates rapid, precise patent searching and merges the value-added patent information from Derwent World Patents Index with the patent citation information from Derwent Patent Citation Index.