| Argentina | AR | Americas | https://portaltramites.inpi.gob.ar/PatenteConsultas/BusquedaParametros |
| Australia | AU | Asia Pacific | http://pericles.ipaustralia.gov.au/ols/auspat/welcome.do |
| Austria | AT | Europe | http://seeip.patentamt.at/NPatentSuche |
| Belgium | BE | Europe | https://bpp.economie.fgov.be/fo-eregister-view/search |
| Brazil | BR | Americas | https://busca.inpi.gov.br/pePI/jsp/patentes/PatenteSearchBasico.jsp |
| Bulgaria | BG | Europe | https://portal.bpo.bg/web/guest/bpo_online/-/bpo/patent-search |
| Canada | CA | Americas | https://www.ic.gc.ca/opic-cipo/cpd/eng/introduction.html |
| Chile | CL | Americas | https://ion.inapi.cl/Patente/ConsultaAvanzadaPatentes.aspx |
| China | CN | Asia Pacific | http://pss-system.cnipa.gov.cn/sipopublicsearch/inportal/i18n.shtml?params=902F004CA61084A284089435EAAEA94F59CC921A916ADCEB |
| Colombia | CO | Americas | http://sipi.sic.gov.co/sipi/Extra/IP/PT/Qbe.aspx?sid=637650676998949280 |
| Croatia | HR | Europe | https://www.dziv.hr/en/e-services/e-registers/patents/ |
| Cyprus | CY | Europe | |
| Czech Republic | CZ | Europe | https://isdv.upv.cz/webapp/!resdb.pta.frm |
| Denmark | DK | Europe | |
| Estonia | EE | Europe | https://www1.epa.ee/patent/default2eng.asp |
| Eurasian Patent Organization | EA | Asia Pacific | https://www.eapo.org/ru/publications/publicat/publicat.php |
| European Union | EP | Europe | https://register.epo.org/regviewer?lng=en |
| Finland | FI | Europe | https://patent.prh.fi/patinfo/default2.asp?Lng= |
| France | FR | Europe | https://data.inpi.fr/recherche_avancee/brevets |
| Germany | DE | Europe | https://register.dpma.de/DPMAregister/pat/basis |
| Greece | GR | Europe | http://www.obi.gr/obi/Default.aspx?tabid=125 |
| Hong Kong | HK | Asia Pacific | https://esearch.ipd.gov.hk/nis-pos-view/#/pt/quicksearch |
| Hungary | HU | Europe | http://epub.hpo.hu/e-kutatas/?lang=EN |
| Iceland | IS | Europe | |
| India | IN | Asia Pacific | https://ipindiaservices.gov.in/publicsearch |
| Indonesia | ID | Asia Pacific | https://www.pdki-indonesia.dgip.go.id/ |
| Ireland | IE | Europe | https://eregister.patentsoffice.ie/PTRegNr.aspx |
| Israel | IL | Middle East/Africa | https://israelpatents.justice.gov.il/ |
| Italy | IT | Europe | http://brevettidb.uibm.gov.it/ |
| Japan | JP | Asia Pacific | https://www.j-platpat.inpit.go.jp/ |
| Latvia | LV | Europe | http://databases.lrpv.gov.lv/databases/lv/patent/search |
| Lithuania | LT | Europe | https://vpb.lrv.lt/lt/veiklos-sritys/isradimu-patentai/patentuotu-isradimu-paieska/lietuvos-respublikos-patentu-duomenu-baze |
| Luxembourg | LU | Europe | https://patent.public.lu/fo-eregister-view/ |
| Malaysia | MY | Asia Pacific | https://iponline2u.myipo.gov.my/myipo/www/ |
| Mexico | MX | Americas | https://siga.impi.gob.mx/newSIGA/content/common/principal.jsf |
| Monaco | MC | Europe | https://mcipo.gouv.mc/en/search/inpact |
| Morocco | MA | Middle East/Africa | http://patent.ompic.ma/ |
| Netherlands | NL | Europe | https://mijnoctrooi.rvo.nl/fo-eregister-view/ |
| New Zealand | NZ | Asia Pacific | https://app.iponz.govt.nz/app/Extra/IP/PT/Qbe.aspx?sid=637651255738113814 |
| Norway | NO | Europe | https://dbsearch2.patentstyret.no/Search.aspx?from=tlist |
| African Intellectual Property Org (OAPI) | OA | Middle East/Africa | http://regionalip.aripo.org/wopublish-search/public/patents?2&query=OFCO:AP |
| Philippines | PH | Asia Pacific | https://onlineservices.ipophil.gov.ph/wopublish-search/public/patents;jsessionid=2F8EC300B165172BBB9E57DD40E39AD1?0 |
| Poland | PO | Europe | https://ewyszukiwarka.pue.uprp.gov.pl/search/advanced-search |
| Portugal | PT | Europe | |
| Romania | RO | Europe | http://online.osim.ro/cgi-bin/invsearch8 |
| Russia | RU | Europe | https://www1.fips.ru/iiss/search.xhtml |
| Serbia | RS | Europe | https://reg.zis.gov.rs/patreg/?t=p |
| Singapore | SG | Asia Pacific | https://ip2sg.ipos.gov.sg/Layouts/RPSWP/WP/CM/SearchSimple/IP.aspx |
| Slovakia | SK | Europe | https://wbr.indprop.gov.sk/webregistre/patent/?lang=en®ister=p |
| Slovenia | SI | Europe | http://www2.uil-sipo.si/dse.htm |
| South Africa | ZA | Middle East/Africa | https://iponline.cipc.co.za/Account/Login.aspx?pb=aVMvEDtYJoBv4STTqmvCTpb7MWDx2eY0ESHMO1dLY8+DkrV5ADDUPw== |
| South Korea | KR | Asia Pacific | http://engpat.kipris.or.kr/engpat/searchLogina.do?next=MainSearch |
| Spain | ES | Europe | http://consultas2.oepm.es/ceo/jsp/error.xhtml |
| Sweden | SE | Europe | https://tc.prv.se/spd/search?lang=en |
| Switzerland | CH | Europe | https://www.swissreg.ch/srclient/faces/jsp/start.jsp |
| Taiwan | TW | Asia Pacific | |
| Turkey | TR | Middle East/Africa | https://portal.turkpatent.gov.tr/anonim/arastirma/patent/dosya-takibi?lang=en |
| Ukraine | UA | Europe | https://sis.ukrpatent.org/en/search/simple/ |
| United Kingdom | GB | Europe | https://www.gov.uk/search-for-patent |
| United States | US | Americas | https://portal.uspto.gov/pair/PublicPair |