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We recommend in the first instance that you contact Offices directly. Please note the following contact information for your WIPO Sequence or WIPO ST.26 queries below.

Office nameST.3 CodeContact
Chinese National Intellectual Property Association (CNIPA)CN

http://cponline.cnipa.gov.cn/

CNIPA QA service Help.pdf

Canadian Intellectual Property Association (CIPO)CAcipopbpctpractice-opicpratiquepctdb@ised-isde.gc.ca
German Patent and Trademark Office (DPMA)DEsequenzprotokolle.support@dpma.de
Danish Patent and Trademark OfficeDKpvs@dkpto.dk
European Patent Office (EPO)EMSupport@epo.org
Finish Patent and Registration Office (PRH)FIneuvonta.patentti(a)prh.fi
IP AustraliaAUhttps://www.ipaustralia.gov.au/about-us/contact-us-form 
Intellectual Property Office of Singapore (IPOS) SGpct@ipos.gov.sg
Japan Patent Office (JPO)JPPA0762@jpo.go.jp
Korean Intellectual Property Office (KIPO)KRsequencehelpdesk@korea.kr 
Oficina Española de Patentes y Marcas (OEPM)ESsecuencias@oepm.es
Patent Cooperation-Treaty International Patent System (PCT)WOpct.infoline@wipo.int
Rospatent/FIPSRUsequence@rupto.ru
Swedish Patent and Registration Office (PRV) SE

Kundsupport.patent@prv.se

Companies and Intellectual Property Commission (CIPC) ZA

wiposequence@cipc.co.za

United Kingdom Intellectual Property Office (UK IPO)GB

information@ipo.gov.uk

United States Patent and Trademark Office (USPTO)USsequencehelpdesk@uspto.gov
(IB of ) World Intellectual Property Organization (WIPO)IBwiposequence.support@wipo.int 
Intellectual Property IndiaINsequencelisting-ipo@gov.in



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