Patent Search Links
The USPTO provides free searching of the Full Text of US patents and published applications:
www.uspto.gov/patft/index.html
The World Intellectual Property Organization's Intellectual Property Digital Library Database:
www.wipo.int/ipdl/en/
The European Patent Office, the executive body of the European Patent Organization, also provides free patent document searching:
ep.espacenet.com
JAPIO - Patent Abstracts of Japan:
library.dialog.com/bluesheets/html/bl0347.html
The Food and Drug Administration Electronic Orange Book lists Approved Drug Products with Therapeutic Equivalence Evaluations:
www.fda.gov/cder/ob/default.htm
The USPTO Genetic Sequence Database, USGENE®:
www.sequencebase.com
National Patent Web Sites and Additional Searchable Databases by Country/Organization
(sites are in English unless noted)
Argentina (in Spanish): www.inpi.gov.ar
Australia: https://www.ipaustralia.gov.au/patents
Austria (in German): www.patentamt.at/Home/index.html
Belgium (esp@cenet, in Dutch, French, German, English): be.espacenet.com
Brazil (in Portuguese): www.inpi.gov.br
Bulgaria (esp@cenet, in Bulgarian): at.espacenet.com
Canada: http://www.ic.gc.ca/opic-cipo/cpd/eng/introduction.html
Chile (in Spanish): www.inapi.cl
Denmark (in Danish, English): www.dkpto.dk
Denmark (esp@cenet, in Danish): dk.espacenet.com
Estonia (in Estonian, English): www.epa.ee
Eurasian Patent Office (EAPO) (esp@cenet, in Russian): ea.espacenet.com
Finland (esp@cenet, in Finnish): fi.espacenet.com
France (esp@cenet, in French): fr.espacenet.com
Finland (esp@cenet, in Finnish): fi.espacenet.com
Germany (in German): www.dpma.de/english/patent/search/index.html
Germany (in German, English): depatisnet.dpma.de/DepatisNet/depatisnet?window=1&space=main&content=index&action=index
Patent Office of the Cooperation Council for the Arab States of the Gulf (GCC, in Arabic): www.gccpo.org
Hellenic Republic (in Greek): gr.espacenet.com
Hong Kong (in Chinese, English): http://ipsearch.ipd.gov.hk/index.html
Hungary: www.hpo.hu/English/index.html
Hungary (esp@cenet, in Hungarian): hu.espacenet.com
Iceland (esp@cenet, in Icelandic): is.espacenet.com
Ireland: www.patentsoffice.ie/en/patents_searching.aspx
Ireland (esp@cenet): ie.espacenet.com
Israel (in Hebrew, English): http://www.ilpatsearch.justice.gov.il/UI/MainPage.aspx
Japan: https://www.j-platpat.inpit.go.jp/web/all/top/BTmTopEnglishPage
Korea: eng.kipris.or.kr
Latin American countries (esp@cenet, in Spanish, Portuguese): lp.espacenet.com
Latvia (in English): www.lrpv.lv/index.php?lang=EN
Lithuania: www.vpb.lt
Lithuania (esp@cenet, in Lithuanian): lt.espacenet.com
Luxembourg (esp@cenet, in French): lu.espacenet.com
Mexico (in Spanish): www.impi.gob.mx/wb/impi_en/Home/_lang/en
Moldova: www.agepi.md/en/noutati/index.php
New Zealand: http://www.iponz.govt.nz/app/Extra/Default.aspx?sid=635963653617233951
Netherlands (esp@cenet, in Dutch): nl.espacenet.com
Phillipines: ipophil.gov.ph
Poland (esp@cenet, in Polish): pl.espacenet.com
Portugal (esp@cenet, in Portuguese): pt.espacenet.com
Romania (in Rumanian): www.osim.ro
Romania (esp@cenet, in Rumanian): ro.espacenet.com
Rospatent (esp@cenet, in Russian): ru.espacenet.com
Russia: www1.fips.ru/wps/wcm/connect/content_en/en/main/article_empty
Slovakia (esp@cenet, in Slovakian): sk.espacenet.com
Slovenia (esp@cenet, in Slovenian): si.espacenet.com
Spain (in Spanish): www.oepm.es
Spain (esp@cenet, in Spanish): es.espacenet.com
Sweden (esp@cenet, in Swedish): se.espacenet.com
Interpat Sweden, a part of the Swedish Patent and Registration Service (in Swedish): www.prv.se
Switzerland (in English, French, German, Italian): www.ige.ch
Switzerland (esp@cenet, in French, German, Italian, English): ch.espacenet.com
Taiwan: www.tipo.gov.tw/en/index.aspx
Thailand: www.ipthailand.org
Turkey (esp@cenet, in Turkish): tr.espacenet.com
United Kingdom: https://www.ipo.gov.uk/p-ipsum.htm
United Kingdom (esp@cenet): gb.espacenet.com
Former Soviet Union States
Eurorasian Patent Organization (English and non English): www.eapo.org
Belarus (Not English): www.belgospatent.org.by/eng/
Estonia (English and non English): www.epa.ee
Georgia (English and non English): www.sakpatenti.org.ge
Kazakhstan (English and non English): www.kazpatent.kz/index.php?lang=eng
Lithuania (English and non English): www.vpb.lt
Trilateral Co-operation Database: www.trilateral.net
Patent Portals
A project of a New Zealand IP firm:
www.ipmenu.com
A patent portal of a New Zealand IP firm:
www.Piperpat.com
A patent portal project of Singapore:
www.SurfIP.com
A United States patent portal:
www.PatentCafe.com
Defensive Publications Databases
ResearchDisclosure.com
www.researchdisclosure.com/RD/Login.aspx?ReturnUrl=%2frd%2fsearch%2fquick.aspx
Designs Databases
WIPO's International Industrial Designs: http://www.wipo.int/hague/en/
UK Designs: www.ipo.gov.uk/design.htm
USPTO information