Link list
Japan Patent Office(JPO)
Japan Platform for Patent Information(J-Plat Pat)
Japan Patent Attorneys Association(JPAA)
https://www.jpaa.or.jp/en/
Japan Intellectual Property High Court
World Intellectual Property Organization(WIPO)
European Patent Office(EPO)
European Union Intellectual Property Office(EUIPO)
United States Patent and Trademark Office(USPTO)
China National Intellectual Property Administration(CNIPA)
Korean Intellectual Property Office(KIPO)