Trademark Databases of the World
Abu-Ghazaleh Intellectual Property (AGIP), previously known as TMP Agents provides information on services and charges required for trademark application process for more than 180 countries, including the Arab world.
Australian Trademark Database
This site includes information on all trade marks in force and all applications since 1985. It also includes all trade marks that were in force in 1985 even if they have since lapsed or ceased. The trade marks mainframe database contains the Register of Trade Marks and all signs which are protected within Australia under the trade mark legislation.This site provides full online search manual for trademark databases.
Canadian Trademark Database
This database is comprised of all active and many inactive marks that were either applied-for or registered pursuant to the current Trade-marks Act or former trade-mark legislation of Canada. It also includes all trade-marks which were canceled, expunged, abandoned or refused after 1979, and some, which were canceled, expunged, abandoned or refused prior to 1979.
The database includes additional words and designs which are not by definition trade-marks, but that are protected by the Trade-marks Act or other related legislation.
Czech Republic Trademark Databases
This database contains only valid trademarks filed in the Industrial Property Office of the Czech Republic. The database can be searched by application number, registration, filing date, holder/applicant, etc.
This site provides Requirements on Application for Registering a Chinese Trademark including the Chinese Trademark Law.
French Trademark Database
This site searches French trademarks in French.
German Trademarks Search System, DPMAregister
This database contains application, registration and publication data, ownership, the Nice classification of goods and services, the Vienna classification for images, and images.
Japanese Trademark through DIALOG
The TRADEMARKSCANJapan database enables Dialog users to search Japanese trademark registrations and applications without having to know the Japanese language. The database currently contains more than 2.5 million active and inactive Japanese trademark registrations and applications. It updates monthly.
Complete online search service with over 50 million U.S. federal, state, common law, Canadian, WIPO, EC, and UK marks, as well as an extensive domain name collection of .com, .net, and .org records by Thomson Reuters. This is a subscription based database.
Trademark Electronic Search System (TESS)
TESS contains more than 3 million pending, registered and dead federal trademarks of the United States.
State Trademarks at FindLaw
Find information on trademarks specific to all 50 states and D.C.
United Kingdom Trademark Database
The trademark information can be searched by the trademark number, marks matching/starting with specified text, proprietor, refused applications and by correct class of goods/services you need to specify when applying for a trade mark.