A trademark belongs solely to the company or the individual which is regarded as an intellectual property. You should not violate the 3rd party's right. You can check the status of trademarks before you buy a domain name. This is important. You may be involved with WIPO or UDRP process to resolve the dispute. You'll lose the domain name, time and money. Check the status of trademarks before you buy a domain name.


Madrid Express Database
http://www.wipo.int/ipdl/en/madrid/

Australia
http://www.ipaustralia.gov.au/trademarks/search_index.shtml

Canada
http://www.ic.gc.ca/app/opic-cipo/trdmrks/srch/tmSrch.do?lang=eng

China
http://sbj.saic.gov.cn/english/index_e.asp

Czech Republic
http://www.upv.cz/en/provided-services/online-databases/trade-mark-databases.html

Estonia
http://www.epa.ee/default.asp?wa_id=507

France
http://www.societe.com/marques/indexm.html

Germany
https://dpinfo.dpma.de/protect/mar_e.html

Hong Kong
http://ipsearch.ipd.gov.hk/tmlr/jsp/main.jsp

Ireland
http://www.patentsoffice.ie/en/trademark_search.aspx

Japan
http://www.ipdl.inpit.go.jp/homepg_e.ipdl

New Zealand
http://www.iponz.govt.nz/cms/trade-marks

Poland
http://www.uprp.pl/English/PPOs+databases/

Singapore
http://tmsearch.ipos.gov.sg/

Slovenia
http://www2.uil-sipo.si/dse.htm

South Africa
http://www.cipro.co.za/products_services/trademarks.asp

Spain
http://www.oepm.es/Localizador/homeLocator.jsp

Switzerland
http://www.swissreg.ch/

UK
http://www.ipo.gov.uk/tm/t-find/t-find-text/

US
http://www.uspto.gov/trademarks/index.jsp