As a Patent and Trademark Resource Center (PTRC), the Pennsylvania State University Libraries has a mission to support both our students and the public with finding patent and trademark information along with locating application materials. This guide will help you get started in trademark research and find the best sources of information. Contact the library for detailed questions or to set up an appointment for yourself or a guest speaking appearance for your class or group.
Provides for on-line searching of existing trademark application and registration information. TESS provides public access to the same text and image database of trademarks as is currently provided to examining attorneys at the U.S. Patent and Trademark Office.