Skip to main content


Stony Brook University

Patent & Trademark Resources on the Web: Trademark Websites

This guide directs you to free databases and other materials that explain and help with the patent and trademark search process

Trademark Websites

The following is a list of online trademark resources you may find useful in your research:

Trademark Databases

USPTO Trademark Electronic Search System - TESS
http://www.uspto.gov
 
USPTO Trademark Status and Document Retrieval - TSDR (formerly Trademark Application and Registration Retrieval System - TARR)
http://tsdr.uspto.gov
 
USPTO Trademark Assignment Query Menu
http://assignments.uspto.gov/assignments
 
USPTO Trademark Trial and Appeal Board Inquiry System - TTABVUE
http://ttabvue.uspto.gov/ttabvue
 
Connecticut State Trademark/Business Name Search - Business Filings
https://www.concord-sots.ct.gov 
 
Canadian Trademarks Database
https://www.ic.gc.ca
 
Trade Marks from the Patent Office of the United Kingdom
http://www.patent.gov.uk
 
Madrid Express structured (Trademarks) Search
http://www.wipo.int/ipdl/en/madrid
 
WIPO Gazette of International Marks
http://www.wipo.int/madridgazette
 
WIPO ROMARIN (International Trademark Information Database)
http://www.wipo.int/madrid/en/romarin
 
WIPO Article 6ter Structured Search (State Emblems, Official Hallmarks, and Emblems of Intergovernmental Organizations)
http://www.wipo.int/ipdl
 
WIPO Appellations of Origin - Lisbon Structured Search
http://www.wipo.int/ipdl/en/lisbon
 
WIPOLex - WIPO Collection of Laws for Electronic Access
https://wipolex.wipo.int
 

Trademark Classification Manuals and Search Guides

USPTO Basic Facts about Trademarks
http://www.uspto.gov
 
Making a Mark: An Introduction to Trademarks for Small and Medium-sized Enterprises - WIPO (Downloadable PDF)
https://www.wipo.int/publications
 
International (Nice) Schedule of Classes
https://www.uspto.gov/trademark
 
USPTO Acceptable Identification of Goods and Services Manual U.S. and International Classification numbers
https://idm-tmng.uspto.gov/id-master-list-public
 
USPTO Design Code Search Manual
http://tess2.uspto.gov/tmdb/dscm
 
Trademark Manual of Examining Procedure - TMEP
http://tess2.uspto.gov/tmdb/tmep
 
USPTO Official Gazette - Trademarks: recent five weeks
https://eog-tmng.uspto.gov
 
USPTO FAQ about how to use TESS to search for Native American Tribal Insignia
https://www.uspto.gov/trademark/laws-regulations/native-american-tribal-insignia
 
Guide to the International Registration of Marks under the Madrid Agreement and the Madrid Protocol (Downloadable PDF)
http://www.wipo.int/madrid/en/guide
 
International (Nice) Classification of Goods and Services
https://www.wipo.int/classifications/nice
 
International Classification of the Figurative Elements of Marks - Vienna Classification
https://www.wipo.int/classifications/vienna
 
European Union Intellectual Property Office - EUIPO - Trade Marks and Designs (formerly Office for Harmonization in the Internal Market - OHIM)
https://euipo.europa.eu/ohimportal/en/trade-marks
 
Official Journal of the EUIPO (formerly OHIM)
https://euipo.europa.eu/ohimportal/en/official-journal
 

National and International Trademark Offices

United States Patent and Trademark Office
http://www.uspto.gov/main/trademarks
 
State Trademark Offices
http:/martinwallace.net/ptdla
 
Canadian Trademark Services
https://www.canada.ca/en/services/business/ip/trademarks
 
Industrial Property Digital Library - Japan
http://www.ipdl.ncipi.go.jp
 
Community Trade Mark System Services - European Union
https://euipo.europa.eu
 
WIPO Trademark Gateway
http://www.wipo.int/trademarks