Skip to Main Content
Caltech
Library
Guides
Patents and Trademarks
Trademarks
Search this Guide
Search
Patents and Trademarks: Trademarks
Databases, Information Resources, National Offices.
Welcome!
Families & Classifications
US
World
Chemical Patents
Translation
Current Awareness
Trademarks
Trademarks
Assignments on the Web - Trademarks (USPTO)
Trademarks can (and do) change ownership - this database tracks changes back to 1955.
Trademark Electronic Search System (TESS) (USPTO)
"...searching of existing (USPTO) trademark application and registration information."
WIPO Global Brand Database
Perform a trademark search by text or image in brand data from multiple national and international sources, including trademarks, appellations of origin and official emblems.
WIPO Global Design Database
A world-wide collection of industrial designs data; including WIPO Hague registrations and information from participating national offices.
TMQuest
"...a free searchable trademark database that covers US registered trademarks from 1881 to present."
Trademarkia
Searches more than 6 million trademarks filed since 1870.
<<
Previous:
Current Awareness