Links
AusPat (Australia) – http://pericles.ipaustralia.gov.au/ols/auspat/
CIPC (South Africa) – https://iponline.cipc.co.za/Default.aspx
CIPO (Canada) – https://www.ic.gc.ca/opic-cipo/cpd/eng/search/basic.html
CNIPO (China) – https://pss-system.cponline.cnipa.gov.cn/conventionalSearch/
EPO (Europe) – https://worldwide.espacenet.com/patent/my-espacenet
IMPI (Mexico) – https://siga.impi.gob.mx/newSIGA/content/common/principal.jsf
InPass (India) – https://ipindiaservices.gov.in/publicsearch
INPI (Argentina) – https://portaltramites.inpi.gob.ar/PatenteConsultas/BusquedaParametros
INPI (Brazil) – https://busca.inpi.gov.br/pePI/
IPD (Hong Kong) – https://esearch.ipd.gov.hk/nis-pos-view/#/pt/quicksearch
IPO (Israel) – https://israelpatents.justice.gov.il/en/home
IPONZ (New Zealand) – https://app.iponz.govt.nz/app/Extra/IP/PT/
IPOS (Singapore) – https://digitalhub.ipos.gov.sg/FAMN/process/IP4SG/MN_Index
J-Plat Pat (Japan) – https://www.j-platpat.inpit.go.jp/
Kipris (South Korea) – http://engpat.kipris.or.kr/engpat/searchLogina.do?next=MainSearch
RosPatent (Russia) – https://new.fips.ru/iiss/search.xhtml
SIS (Ukraine) – https://sis.ukrpatent.org/en/search/simple/
TIPO (Taiwan) – https://www.tipo.gov.tw/en/lp-277-2.html
USPTO (USA) – https://patentcenter.uspto.gov/
WIPO (PatentScope) – https://patentscope.wipo.int/search/en/search.jsf