As agreed by the WIPO Member States during the 13th edition of the Committee on WIPO Standards (CWS), the transition period for the exchange of priority documents using Standard ST.92, will start on July 1st, 2026 and will end on June 30th, 2028.

The WIPO Digital Access Service (DAS) is an electronic system allowing priority documents and similar documents to be securely exchanged between participating intellectual property (IP) offices. The system enables applicants and offices to meet the requirements of the Paris Convention for certification in an electronic environment.

The Service is intended for use with documents related to patents, industrial designs and trademarks.


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The DAS system is the responsibility of the WIPO IP Office Business Division (IPOBSD), working in coordination with the WIPO PCT Sector for questions relating to the IB as an accessing and depositing office.

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     👉 WIPO DAS FAQ
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WIPO publishes notifications from Offices in regards to their participation in DAS and particularly the scope of documents deposited by Offices. Notification details are published on the WIPO DAS site.

If you wish to be informed by electronic mail of the last notifications published, please login with your account, open and add the New Office Participation page to your watch list.