The best one there is World Intellectual Property Organization (WIPO)’s Madrid Express http://www.wipo.int/madrid/en/services/madrid_express.htm and ROMARIN databases http://www.wipo.int/madrid/en/romarin/.You can also try to go to each and every trademark body in each country and search for the information (if available online). Many countries don’t have such a searchable system on the WebIn the US, you can go to USPTO Trademark Electronic Search System http://tess2.uspto.gov/bin/gate.exe?f=tess&state=guqff1.1.1
The best one there is World Intellectual Property Organization (WIPO)’s Madrid Express http://www.wipo.int/madrid/en/services/madrid_express.htm and ROMARIN databases http://www.wipo.int/madrid/en/romarin/.You can also try to go to each and every trademark body in each country and search for the information (if available online). Many countries don’t have such a searchable system on the WebIn the US, you can go to USPTO Trademark Electronic Search System http://tess2.uspto.gov/bin/gate.exe?f=tess&state=guqff1.1.1