Trademark Search Links
The United States Patent and Trademark Office provides trademark search and status information:
www.uspto.gov/main/trademarks.htm
The United States Patent and Trademark Office trademark assignment information:
assignments.uspto.gov/assignments
Japanese Trademarks, in English:
www.jpo.go.jp/index_e/trademarks.html
European Community Trademarks and Designs:
http://oami.europa.eu/ows/rw/pages/QPLUS/databases/databases.en.do
UK Trademarks:
www.ipo.gov.uk/tm.htm
ROMARIN - "Read-Only-Memory of Madrid Active Registry Information":
www.wipo.int/madrid/en/romarin
Canadian Trademark Search:
strategis.ic.gc.ca/app/cipo/trademarks/search/tmSearch.do?language=eng
Japanese Trademark Search:
www.ipdl.inpit.go.jp/homepg_e.ipdl
English language version for Chinese Trademarks:
http://202.108.90.72/trade-e/indexe.jsp