official intellectual property offices
australia
intellectual property office: ip australia
website: https://www.ipaustralia.gov.au/
canada
intellectual property office: canadian intellectual property office (cipo)
china
intellectual property office: state intellectual property office (sipo)
website: http://english.sipo.gov.cn/
european union
intellectual property office: european union intellectual property office (euipo)
global
intellectual property office: world intellectual property organization (wipo)
website: http://www.wipo.int/portal/en/
india
intellectual property office: intellectual property india, (ipindia)
website: http://www.ipindia.nic.in/
japan
intellectual property office: japan patent office (jpo)
website: https://www.jpo.go.jp/
united states
intellectual property office: united states patent and trademark office (uspto)
website: https://www.uspto.gov/