1)HKIPD:https://www.ipd.gov.hk/eng/home.htm
2)CNIPA:https://www.cnipa.gov.cn/
3)USPTO:https://www.uspto.gov/
4)JPO:https://www.jpo.go.jp/
5)KIPO:https://www.kipo.go.kr/en/MainApp?c=1000
6)EUIPO: https://euipo.europa.eu/ohimportal/en/
7)EPO: https://www.epo.org/
8)UKIPO: https://www.gov.uk/government/organisations/intellectual-property-office
9)IPOS: https://www.ipos.gov.sg/