Patent information: Trademarks
Introduction to patent searching. Basic patent information as well as useful resources are included.
USPTO Trademark Resources
USPTO Trademark Database : How to search
USPTO Trademark Database : Scroll down to section "Trademark Electronic Search System (TESS)"
Trademark Case Files Dataset : contains detailed information on 8.6 million trademark applications filed with or registrations issued by the USPTO between January 1870 and January 2017. It is derived from the USPTO main database for administering trademarks and includes data on mark characteristics, prosecution events, ownership, classification, third-party oppositions, and renewal history.