English: National Office Databases Country/Organization URL Australia http://www.ipaustralia.gov.au/patents/search_index.htm Canada http://patents1.ic.gc.ca/intro-e.html Chile http://www.dpi.cl/dpi_web/Frm_Login_default2.htm China http://www.sipo.gov.cn/sipo_English/zljs/ Czech Republic http://isdvapl.upv.cz/pls/portal30/pt.ptfrm European Patent Office http://www.espacenet.com Finland http://www.prh.fi/en/patentit/tietokannat/patinfo.html France http://www.inpi.fr/front/show_rub.php?rub_id=8 Germany http://www.dpma.de/suche/suche.html Hungary http://www.hpo.hu/English/adatbazis/ India http://www.pfc.org.in/db/db.htm Ireland http://www.patentsoffice.ie/eregister/Query/PTQuery.asp Japan http://www.jpo.go.jp/quick_e/index_search.htm Latin America http://www.oepm.es/bases-documentales/latipat_sp?ACTION=RETOUR LUSOPAT (Portal of Portuguese language IP collections) http://www.portal-lusofonia.org New Zealand http://www.iponz.govt.nz/search/cad/dbssiten.main OHIM (Office for Harmonization in the Internal Market - Trademarks and Designs) http://oami.europa.eu/en/default.htm Republic of Korea http://www.kipo.go.kr/kpo2/user.tdf?a=user.english.html.HtmlApp&c=50100&catmenu=ek50100 Romania http://193.230.133.4/cgi-bin/invsearch Russian Federation http://www.fips.ru/ensite/ Singapore http://www.epatents.gov.sg/PE/ Slovakia http://www.indprop.gov.sk/eskipo.php?lang=en&idd=2&idd2= Slovenia http://www2.uil-sipo.si/dse.htm Spain http://www.oepm.es/bases-documentales/oepmpat_sp?ACTION=RETOUR Switzerland http://www.swissreg.ch Thailand http://www1.ipic.moc.go.th/dipdcd/owa/p5query1.main?LANG=1 United Kingdom hhttp://www.ipo.gov.uk/patent.htm United States of America http://www.uspto.gov/patft/index.html http://tess2.uspto.gov/bin/gate.exe?f=login&p_lang=english&p_d=trmk
French: Base de données nationales Country/Organization URL Australia http://www.ipaustralia.gov.au/patents/search_index.htm Canada http://patents1.ic.gc.ca/intro-e.html Chile http://www.dpi.cl/dpi_web/Frm_Login_default2.htm China http://www.sipo.gov.cn/sipo_English/zljs/ Czech Republic http://isdvapl.upv.cz/pls/portal30/pt.ptfrm European Patent Office http://www.espacenet.com Finland http://www.prh.fi/en/patentit/tietokannat/patinfo.html France http://www.inpi.fr/front/show_rub.php?rub_id=8 Germany http://www.dpma.de/suche/suche.html Hungary http://www.hpo.hu/English/adatbazis/ India http://www.pfc.org.in/db/db.htm Ireland http://www.patentsoffice.ie/eregister/Query/PTQuery.asp Japan http://www.jpo.go.jp/quick_e/index_search.htm Latin America http://www.oepm.es/bases-documentales/latipat_sp?ACTION=RETOUR LUSOPAT (Portal of Portuguese language IP collections) http://www.portal-lusofonia.org New Zealand http://www.iponz.govt.nz/search/cad/dbssiten.main OHIM (Office for Harmonization in the Internal Market - Trademarks and Designs) http://oami.europa.eu/en/default.htm Republic of Korea http://www.kipo.go.kr/kpo2/user.tdf?a=user.english.html.HtmlApp&c=50100&catmenu=ek50100 Romania http://193.230.133.4/cgi-bin/invsearch Russian Federation http://www.fips.ru/ensite/ Singapore http://www.epatents.gov.sg/PE/ Slovakia http://www.indprop.gov.sk/eskipo.php?lang=en&idd=2&idd2= Slovenia http://www2.uil-sipo.si/dse.htm Spain http://www.oepm.es/bases-documentales/oepmpat_sp?ACTION=RETOUR Switzerland http://www.swissreg.ch Thailand http://www1.ipic.moc.go.th/dipdcd/owa/p5query1.main?LANG=1 United Kingdom hhttp://www.ipo.gov.uk/patent.htm United States of America http://www.uspto.gov/patft/index.html http://tess2.uspto.gov/bin/gate.exe?f=login&p_lang=english&p_d=trmk