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The patent EP3823671 was granted to Fondation Asile DES Aveugles on Feb 7, 2024. The application was originally filed on Jul 2, 2019 under application number EP19734100A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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| DESCRIPTION | CN103110621 |
| DESCRIPTION | CN103690528 |
| DESCRIPTION | CN103690529 |
| DESCRIPTION | CN103690530 |
| DESCRIPTION | CN103690531 |
| DESCRIPTION | CN103845324 |
| DESCRIPTION | CN103845325 |
| DESCRIPTION | US2017049746 |
| DESCRIPTION | US8410088 |
| DESCRIPTION | US8536179 |
| DESCRIPTION | US8637509 |
| DESCRIPTION | US8691507 |
| DESCRIPTION | US8765732 |
| DESCRIPTION | US8765792 |
| DESCRIPTION | US8846935 |
| DESCRIPTION | US8975291 |
| DESCRIPTION | US9006242 |
| DESCRIPTION | US9018382 |
| DESCRIPTION | US9040515 |
| DESCRIPTION | US9073924 |
| DESCRIPTION | US9085583 |
| DESCRIPTION | US9090562 |
| DESCRIPTION | US9114141 |
| DESCRIPTION | US9242962 |
| DESCRIPTION | US9371331 |
| DESCRIPTION | US9376422 |
| DESCRIPTION | US9382234 |
| DESCRIPTION | US9402836 |
| DESCRIPTION | US9446041 |
| DESCRIPTION | US9469646 |
| DESCRIPTION | US9481666 |
| DESCRIPTION | US9505745 |
| DESCRIPTION | US9518038 |
| DESCRIPTION | US9527837 |
| DESCRIPTION | US9549931 |
| DESCRIPTION | US9556157 |
| DESCRIPTION | US9562041 |
| DESCRIPTION | US9624205 |
| DESCRIPTION | US9649307 |
| DESCRIPTION | US9701666 |
| DESCRIPTION | US9718838 |
| DESCRIPTION | US9738630 |
| DESCRIPTION | US9745305 |
| DESCRIPTION | US9790212 |
| DESCRIPTION | US9822103 |
| DESCRIPTION | US9855275 |
| DESCRIPTION | US9956210 |
| DESCRIPTION | US9969716 |
| DESCRIPTION | US9980952 |
| DESCRIPTION | WO2011140324 |
| DESCRIPTION | WO2011140325 |
| DESCRIPTION | WO2012005805 |
| DESCRIPTION | WO2012034132 |
| DESCRIPTION | WO2012068589 |
| DESCRIPTION | WO2012075080 |
| DESCRIPTION | WO2012118812 |
| DESCRIPTION | WO2012142504 |
| DESCRIPTION | WO2012142513 |
| DESCRIPTION | WO2013039988 |
| DESCRIPTION | WO2013067296 |
| DESCRIPTION | WO2013120104 |
| DESCRIPTION | WO2013155317 |
| DESCRIPTION | WO2013155464 |
| DESCRIPTION | WO2013173441 |
| DESCRIPTION | WO2014048313 |
| DESCRIPTION | WO2014049488 |
| DESCRIPTION | WO2014062732 |
| DESCRIPTION | WO2014062733 |
| DESCRIPTION | WO2014097041 |
| DESCRIPTION | WO2014100646 |
| DESCRIPTION | WO2014100665 |
| DESCRIPTION | WO2014107277 |
| DESCRIPTION | WO2014124418 |
| DESCRIPTION | WO2014151142 |
| DESCRIPTION | WO2014155301 |
| DESCRIPTION | WO2014172044 |
| DESCRIPTION | WO2014177982 |
| DESCRIPTION | WO2014190035 |
| DESCRIPTION | WO2014195919 |
| DESCRIPTION | WO2015004618 |
| DESCRIPTION | WO2015010049 |
| DESCRIPTION | WO2015010078 |
| DESCRIPTION | WO2015023915 |
| DESCRIPTION | WO2015057859 |
| DESCRIPTION | WO2015077193 |
| DESCRIPTION | WO2015077194 |
| DESCRIPTION | WO2015104677 |
| DESCRIPTION | WO2015110999 |
| DESCRIPTION | WO2015132765 |
| DESCRIPTION | WO2015193765 |
| DESCRIPTION | WO2015193768 |
| DESCRIPTION | WO2015200650 |
| DESCRIPTION | WO2016066697 |
| DESCRIPTION | WO2016073903 |
| DESCRIPTION | WO2016073956 |
| DESCRIPTION | WO2016089804 |
| DESCRIPTION | WO2016130396 |
| DESCRIPTION | WO2017028602 |
| DESCRIPTION | WO2017035060 |
| DESCRIPTION | WO2017061957 |
| DESCRIPTION | WO2017184999 |
| DESCRIPTION | WO2017191545 |
| DESCRIPTION | WO2018075598 |
| INTERNATIONAL-SEARCH-REPORT | CN106692152 |
| INTERNATIONAL-SEARCH-REPORT | CN106963765 |
| OPPOSITION | CN106692152 |
| OPPOSITION | CN106963765 |
| OPPOSITION | WO2017214553 |
| OPPOSITION | WO2019115472 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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Refund of fees
Search/Exam
Jan 11, 2024
Decision to grant a European patent
Search/Exam
Dec 21, 2023
(Electronic) Receipt
Search/Exam
Dec 21, 2023
Filing of the translations of the claims
Search/Exam
Dec 21, 2023
French translation of claims
Search/Exam
Dec 21, 2023
German translation of the claims
Search/Exam
Oct 31, 2023
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Intention to grant (signatures)
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Oct 31, 2023
Text intended for grant (clean copy)
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Oct 31, 2023
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(Electronic) Receipt
Search/Exam
Mar 15, 2023
Amended claims with annotations
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Mar 15, 2023
Claims
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Mar 15, 2023
Letter accompanying subsequently filed items
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(Electronic) Receipt
Search/Exam
Jan 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2023
Oct 7, 2022
Annex to the communication
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Oct 7, 2022
Communication from the Examining Division
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Oct 2, 2022
Examination started
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Oct 18, 2021
(Electronic) Receipt
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Oct 18, 2021
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Amended claims with annotations
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Oct 18, 2021
Amendments received before examination
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Oct 18, 2021
Letter accompanying subsequently filed items
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Refund of fees
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Refund of fees
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Refund of fees
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Apr 26, 2021
Request for further processing allowed
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Mar 19, 2021
(Electronic) Receipt
Search/Exam
Mar 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 19, 2021
Request for further processing
Search/Exam
Mar 4, 2021
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(Electronic) Receipt
Search/Exam
Jan 22, 2021
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Request for entry into the European phase
Search/Exam
Nov 20, 2020
Information on entry into European phase
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Feb 3, 2020
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Copy of the international search report
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Jan 16, 2020
Copy of the international search report
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Jan 16, 2020
Published international application - A1
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Jan 16, 2020
Published international application - A1
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Sep 4, 2019
(Electronic) Receipt
PCTISA
Sep 4, 2019
Converted Sequence Listing
Search/Exam
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PCTRO
Jul 2, 2019
Abstract
PCTRO
Jul 2, 2019
Claims
PCTRO
Jul 2, 2019
Description
PCTRO
Jul 2, 2019
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Drawings
PCTRO
Jul 2, 2019
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