34, chemin des Colombettes
 CH-1211 Geneva 20, Switzerland

Tel: +41 22 338 9111

Website: https://www3.wipo.int 

Lao pages: https://www.wipo.int/members/en/details.jsp?country_code=LA and https://pctlegal.wipo.int/eGuide/view-doc.xhtml?doc-code=LA&doc-lang=en 

WIPO Competent International Searching Authority and Preliminary Examining Authorities for nationals and residents of Lao PDR:

·       China National Intellectual Property Administration (CNIPA): http://english.sipo.gov.cn 

·       European Patent Office: https://www.epo.org

·       Intellectual Property Office of Singapore: https://www.ipos.gov.sg

·       Japan Patent Office (JPO): https://www.jpo.go.jp/e/

·       Korean Intellectual Property Office: https://www.kipo.go.kr/en

https://www.wcoomd.org and https://www.wcoomd.org/en/contact-us.aspx