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The patent EP3226841 was granted to Aragon Pharmaceuticals on Oct 9, 2024. The application was filed on Dec 3, 2015 under application number EP15817641A. 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 |
|---|---|---|---|
| BRAND MURRAY FULLER | Jul 9, 2025 | BRAND MURRAY FULLER | ADMISSIBLE |
| EIP | Jul 9, 2025 | EIP | ADMISSIBLE |
| HEXAL | Jul 9, 2025 | MAIWALD | ADMISSIBLE |
| TEVA PHARMACEUTICALS | Jul 8, 2025 | D YOUNG | ADMISSIBLE |
| HAMM & WITTKOPP | Jul 7, 2025 | HAMM & WITTKOPP | ADMISSIBLE |
| ZENTIVA KS | Jul 7, 2025 | REDDIE & GROSE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2013184681 |
| INTERNATIONAL-SEARCH-REPORT | WO2013152342 |
| INTERNATIONAL-SEARCH-REPORT | WO2015023710 |
| INTERNATIONAL-SEARCH-REPORT | WO2015118015 |
| OPPOSITION | EP3725778 |
| OPPOSITION | EP3811932 |
| OPPOSITION | EP3812378 |
| OPPOSITION | WO02067893 |
| OPPOSITION | WO02080902 |
| OPPOSITION | WO03063821 |
| OPPOSITION | WO2006124118 |
| OPPOSITION | WO2007126765 |
| OPPOSITION | WO2011103202 |
| OPPOSITION | WO2013152342 |
| OPPOSITION | WO2013184681 |
| OPPOSITION | WO2014043208 |
| OPPOSITION | WO2014113260 |
| OPPOSITION | WO2015118015 |
| OPPOSITION | WO2016090098 |
| OPPOSITION | WO2016090101 |
| OPPOSITION | WO2016090105 |
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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(Electronic) Receipt
Search/Exam
Dec 19, 2024
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2024
Oct 22, 2024
Sep 12, 2024
Decision to grant a European patent
Search/Exam
Sep 2, 2024
(Electronic) Receipt
Search/Exam
Sep 2, 2024
Filing of the translations of the claims
Search/Exam
Sep 2, 2024
French translation of claims
Search/Exam
Sep 2, 2024
German translation of the claims
Search/Exam
Sep 2, 2024
Letter accompanying subsequently filed items
Search/Exam
May 2, 2024
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Intention to grant (signatures)
Search/Exam
May 2, 2024
Text intended for grant (clean copy)
Search/Exam
May 2, 2024
Mar 18, 2024
(Electronic) Receipt
Search/Exam
Mar 18, 2024
Amended claims with annotations
Search/Exam
Mar 18, 2024
Amended description with annotations
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Mar 18, 2024
Claims
Search/Exam
Mar 18, 2024
Description
Search/Exam
Mar 18, 2024
Letter accompanying subsequently filed items
Search/Exam
Mar 18, 2024
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Intention to grant (signatures)
Search/Exam
Nov 17, 2023
Text intended for grant (clean copy)
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Nov 17, 2023
May 31, 2023
(Electronic) Receipt
Search/Exam
May 31, 2023
Citation for the examination procedure
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May 31, 2023
Letter accompanying subsequently filed items
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May 31, 2023
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Apr 14, 2023
Non-patent literature filed by a third party
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Apr 14, 2023
Non-patent literature filed by a third party
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Apr 14, 2023
Observations by third parties
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Apr 14, 2023
Patent document filed by a Third party
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Apr 14, 2023
Patent document filed by a Third party
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Jan 16, 2023
(Electronic) Receipt
Search/Exam
Jan 16, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 16, 2023
Sep 5, 2022
Annex to the communication
Search/Exam
Sep 5, 2022
Communication from the Examining Division
Search/Exam
Nov 28, 2021
Payment submission rejected
Search/Exam
Jun 11, 2021
Jun 4, 2021
May 28, 2021
(Electronic) Receipt
Search/Exam
May 28, 2021
Annexes in respect of a client data request
Search/Exam
May 28, 2021
Letter accompanying subsequently filed items
Search/Exam
May 28, 2021
Jan 13, 2021
Dec 22, 2020
(Electronic) Receipt
Search/Exam
Dec 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 22, 2020
Dec 22, 2020
Sep 16, 2020
Decision to allow further processing
Search/Exam
Sep 7, 2020
(Electronic) Receipt
Search/Exam
Sep 7, 2020
Amended claims with annotations
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Sep 7, 2020
Claims
Search/Exam
Sep 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 7, 2020
Request for further processing
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Jun 26, 2020
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Annex to the communication
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Nov 14, 2019
Communication from the Examining Division
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(Electronic) Receipt
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Apr 11, 2019
Amended claims with annotations
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Apr 11, 2019
Authorisation
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Apr 11, 2019
Claims
Search/Exam
Apr 11, 2019
Letter accompanying subsequently filed items
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Apr 11, 2019
Feb 6, 2019
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(Electronic) Receipt
Search/Exam
Feb 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2019
Oct 1, 2018
Annex to the communication
Search/Exam
Oct 1, 2018
Communication from the Examining Division
Search/Exam
Sep 18, 2018
Examination started
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Jan 18, 2018
(Electronic) Receipt
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Jan 18, 2018
Jan 18, 2018
Amended claims with annotations
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Jan 18, 2018
Amendments received before examination
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Jan 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 13, 2017
Jul 18, 2017
Jul 14, 2017
Communication to designated inventor
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Jul 14, 2017
Communication to designated inventor
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Jul 11, 2017
Priority search results copy provided by EPO
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Jul 3, 2017
(Electronic) Receipt
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Jul 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2017
Letter concerning fees and payments
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Jul 3, 2017
Matter concerning the application
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Jun 16, 2017
(Electronic) Receipt
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Jun 16, 2017
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General authorisation
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Jun 16, 2017
Request for entry into the European phase
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Apr 18, 2017
Information on entry into European phase
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Jun 28, 2016
Jun 9, 2016
Copy of the international search report
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Jun 9, 2016
Published international application - A1
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Mar 29, 2016
Annex
PCTISA
Mar 29, 2016
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Mar 22, 2016
ISR: cited documents
PCTISA
Mar 21, 2016
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Dec 18, 2015
Abstract
PCTISA
Dec 18, 2015
Annex
PCTISA
Dec 18, 2015
Claims
PCTISA
Dec 18, 2015
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Description
PCTISA
Dec 18, 2015
Drawings
PCTISA
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