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| Figure A: Notification of document availability | Figure B: OSF checking document availability |
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| The following diagram describes the exchange flows for registration and retrieval of documents hosted in WIPO DAS by notification to OSF | The following diagram describes the exchange flows for registration and retrieval of documents hosted in WIPO DAS and the OSF checking on regular basis statuses of retrievals requests | | draw.io Diagram |
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| border | true |
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| diagramName | Documents-hosted-by-WIPO-DAS |
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| simpleViewer | true |
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| links | auto |
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| tbstyle | top |
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| diagramDisplayName | Figure A |
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| lbox | true |
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| diagramWidth | 659 |
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| revision | 1 |
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Figure A: Notification of document availability
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| border | true |
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| diagramName | DAS Retrievals by checking document availability |
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| simpleViewer | false |
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| links | auto |
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| tbstyle | top |
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| lbox | true |
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| diagramWidth | 659 |
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| revision | 1 |
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Exchange flow to register document
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| Step | API Request | Notes |
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| (1a) - OFF requests a |
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| pre-signed URL from WIPO DAS to upload a file identified by a file |
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| Not required if OFF keeps the actual document file content in its own digital library | | (1b) - OFF uploads the document file content using a |
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| pre-signed URL given in step (step 1a) | File upload via PUT | | (1c) - OFF requests document registration to WIPO DAS by referring to the uploaded file content by the corresponding file |
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|  Image Added
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| Note |
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| Steps (1a) and (1b) are not required if the OFF keeps the actual document file content in its own digital library
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Exchange flow to correct filing date or parent application details in which the foreign priority document is held
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| Step | API Request | Notes |
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| (1c) - OFF requests document registration to WIPO DAS by specifying the new document attributes |
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Exchange flow to replace document content for correction purpose
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| Step | API Request | Notes |
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| (1a) - OFF requests a |
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| pre-signed URL from WIPO DAS to upload a file identified by a file id |
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| (1b) - OFF uploads the corrected document file content using a |
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pre-signed URL given in step (1a) |
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| | (1c) - OFF requests document registration to WIPO DAS by referring to the uploaded file content by the corresponding file |
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Exchange flow to retrieve document hosted in WIPO DAS
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| Step | API Request | Notes |
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| (2a) - OSF sends a document retrieval request to WIPO DAS and receives a request acknowledgement |
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| | (2b) - WIPO DAS prepares the requested document for download and notifies the OSF of the document availability (i.e. Figure A) by referring to the request acknowledgement id returned in step (2a) |
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| POST /das/v1/requests/notifications |
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| Alternatively , OSF may use the check status (i.e. Figure B) to download the document content when it is reported as available by WIPO DAS (i.e. GET /das/v1/requests/retrievals) | (2c) - OSF retrieves file location URL from WIPO DAS to download the document file |
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| Downloads can be repeated while the requested document is not deleted from WIPO DAS | (2d) - OSF downloads file from WIPO DAS |
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| | (2e) - Optionally OSF deletes the download files from the DAS transit |
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note | If OSF does not delete the downloaded file, WIPO DAS will delete it after a pre-defined period (e.g. 1 week) |
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The following diagram describes the exchange flows for registration and retrieval of documents hosted in WIPO DAS and the OSF checking on regular basis statuses of retrievals requests
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Figure B: OSF checking document availability
New DAS exchange API
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