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Japan Platform for Patent Information
https://www.j-platpat.inpit.go.jp/
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CNIPA Patent Search and Analysis
http://pss-system.cnipa.gov.cn/sipopublicsearch/inportal/i18n.shtml
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UK Design, Patent and Trademark databases
http://www.ipo.gov.uk/search
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USPTO Patent Database
http://patft.uspto.gov/
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EPO patent searches (esp@cenet)
http://www.espacenet.com/index.en.htm
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Canadian Patent Database
http://brevets-patents.ic.gc.ca/opic-cipo/cpd/eng/introduction.html
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WIPO Trademark Search Site(International Registrations - Madrid Protocol)
http://www.wipo.int/ipdl/en/madrid/
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WIPO Article 6ter Search Site (State Emblems, Official Hallmarks, and Emblems of Intergovernmental Organizations)
http://www.wipo.int/ipdl/en/6ter/
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WIPO Appelations of Orgin Search Site (Lisbon Structured Search)
http://www.wipo.int/ipdl/en/lisbon/
- Last updated 04 February 2021
- Trade and Cooperation Division