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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, utility models, industrial designs and trademarks.

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titleBackground

Traditionally, applicants have been obliged to request certified paper copies of documents from one office and then submit those documents to other offices.

WIPO DAS allows applicants to simply request the first office (known as the Depositing Office or Office of First Filing) to make priority documents available to the System and then to request other offices (known as the Accessing Offices or Offices of Second Filing) to retrieve those documents via the Service. The exchange of documents then takes place electronically between the offices.


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Find out more


Note

Subscribing to notifications listings

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. 

Info
title4th Working Group meeting on the World Intellectual Property Organization (WIPO) Digital Access Service (DAS) for Priority Documents

The fourth session of the Working Group on the Digital Access Service for Priority Documents (DAS Working Group) took place in a hybrid format—both in person at WIPO Headquarters in Geneva and via an online platform— between March 10 and 11, 2025, running daily from 10 a.m. to 12 p.m. and from 14 p.m. to 16 p.m. (CET).

Summary by the Chair:

https://www.wipo.int/meetings/en/doc_details.jsp?doc_id=642654

Meeting documents:

Working Group on the Digital Access Service for Priority Documents


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