• European Patent Office – EPO: http://www.epo.org/
• Japan Patent Office: https://www.jpo.go.jp/e/index.html
• Korean Intelectual Property Office: https://www.kipo.go.kr/en/MainApp?c=1000
• China National Intellectual Property Administration: http://english.cnipa.gov.cn/
• United States Patent and Trademark Office: http://www.uspto.gov
• World Intellectual Property Organization - WIPO: http://wipo.int/portal/index.html.en
• Publications of Polish Patent Office: https://uprp.gov.pl/pl/publikacje/pozostale-publikacje-uprp
