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Priority documents - DAS
The WIPO (World Intellectual Property Organization) DAS service allows patent offices to exchange priority documents online. DAS (Digital Access Service) is WIPO’s electronic library for priority documents. Patent applicants do not have to send the priority document to another patent office themselves; instead they can request it to be sent to DAS when they order the priority document. The National Board of Patents and Registration (NBPR) will then send the document to DAS, where the office requesting the document can retrieve it. Similarly, applicants can indicate when filing a patent application that the NBPR can retrieve the priority document from DAS.
The price for priority documents sent to DAS is the same as for those submitted on paper, but the applicants are not charged for sending them to other patent offices. An easy-to-use service is available for patent applicants on the WIPO website where you can authorise patent offices to retrieve priority documents. DAS is a secure service, which only approved patent offices have access to.
Priority documents for national patent applications and PCT applications can be sent to the DAS system.
Patent offices using DAS, and other information, are available on the WIPO website
Inform the NBPR clearly in a freely composed priority document order that you want the document to be sent through the DAS system and indicate the e-mail address where you want the access code to be sent. At the same time you can order copies of the priority documents in paper form. You will receive the access code required for log-in by e-mail when the NBPR has sent the priority document to the DAS system. On WIPO’s website you can authorise patent offices to retrieve priority documents.
Proceed to the service for authorising patent offices. A link to the demo/training version is also available.
If another patent office has sent your priority document to the DAS system and you wish to use it in Finland, please indicate clearly the application number of the priority document so that the NBPR can retrieve it from the DAS system.
The applicant, who was the first one to apply for a patent on a particular invention, has priority for one year to be granted with the same patent in other countries, even if the invention has several applicants. An international agreement that is honoured almost all over the world makes this possible. A priority document proves the priority that is in force 12 months from the filing date of the first application.