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The patent EP3678649 was granted to Aegis Therapeutics on Dec 21, 2022. The application was filed on Feb 6, 2019 under application number EP19751807A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| AERA | Jul 24, 2023 | BARDEHLE PAGENBERG SL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | AT386414B |
| DESCRIPTION | US2015005356 |
| DESCRIPTION | US2015374832 |
| DESCRIPTION | US2017216199 |
| DESCRIPTION | US5369095 |
| DESCRIPTION | WO2011139838 |
| DESCRIPTION | WO2015095389 |
| INTERNATIONAL-SEARCH-REPORT | US2015005356 |
| INTERNATIONAL-SEARCH-REPORT | US2015374832 |
| OPPOSITION | US2018169247 |
| SEARCH | US2017216199 |
| SEARCH | US5369095 |
| SEARCH | WO2011139838 |
| SEARCH | WO2015095389 |
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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Description
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Appeal
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(Electronic) Receipt
Search/Exam
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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May 16, 2023
Letter accompanying subsequently filed items
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Annexes in respect of a client data request
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Letter accompanying subsequently filed items
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Decision to grant a European patent
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Sep 21, 2022
(Electronic) Receipt
Search/Exam
Sep 21, 2022
Filing of the translations of the claims
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Sep 21, 2022
French translation of claims
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Sep 21, 2022
German translation of the claims
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Sep 21, 2022
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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May 16, 2022
Text intended for grant (clean copy)
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(Electronic) Receipt
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Claims
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Description
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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(Electronic) Receipt
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Nov 24, 2021
Enquiry as to the processing of the file
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Nov 24, 2021
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Information on Search Strategy
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Supplementary European search report
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Search started
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(Electronic) Receipt
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Jul 9, 2020
Enquiry as to the processing of the file
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Jul 9, 2020
Letter accompanying subsequently filed items
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Jul 8, 2020
Communication to designated inventor
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Jul 6, 2020
(Electronic) Receipt
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Jul 6, 2020
Request for correction of client data
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Apr 21, 2020
Communication to designated inventor
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Apr 9, 2020
(Electronic) Receipt
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(Electronic) Receipt
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Apr 9, 2020
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Amended claims with annotations
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Apr 9, 2020
Letter accompanying subsequently filed items
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Apr 9, 2020
Letter concerning search matters
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Letter concerning search matters
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Apr 9, 2020
Letter concerning search matters
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Apr 9, 2020
Matter concerning the application
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Apr 9, 2020
Request for entry into the European phase
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Oct 24, 2019
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Aug 15, 2019
Copy of the international search report
Search/Exam
Aug 15, 2019
Published international application - A1
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