The weekly litigation news digest is live. Subscribe now
The patent EP3226843 was granted to Aragon Pharmaceuticals on May 26, 2021. The application was filed on Dec 3, 2015 under application number EP15820351A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| TEVA PHARMACEUTICALS | Feb 25, 2022 | D YOUNG | 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 | WO2015118015 |
| OPPOSITION | WO02080902 |
| OPPOSITION | WO03063821 |
| OPPOSITION | WO2013152342 |
| OPPOSITION | WO2013184681 |
| OPPOSITION | WO2014043208 |
| OPPOSITION | WO2014113260 |
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.
Date
Description
Get instant alerts for new documents
Mar 26, 2025
Refund of fees
Appeal
Mar 24, 2025
Mar 13, 2025
Mar 12, 2025
(Electronic) Receipt
Appeal
Mar 12, 2025
Mar 12, 2025
Withdrawal of an appeal
Appeal
Jul 17, 2024
Jul 11, 2024
(Electronic) Receipt
Appeal
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Jul 11, 2024
Reply to appeal
Appeal
Mar 13, 2024
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2024
Mar 4, 2024
(Electronic) Receipt
Appeal
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Mar 4, 2024
Jan 22, 2024
Jan 22, 2024
Jan 3, 2024
(Electronic) Receipt
Appeal
Jan 3, 2024
Jan 3, 2024
Notice of appeal
Appeal
Nov 14, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Means of redress
OPPO
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Nov 7, 2023
Oct 12, 2023
Oct 11, 2023
Oct 9, 2023
Oct 9, 2023
Oct 9, 2023
Sep 18, 2023
Sep 12, 2023
Sep 12, 2023
Sep 12, 2023
Sep 12, 2023
Sep 12, 2023
Aug 24, 2023
Aug 17, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 11, 2023
Aug 10, 2023
Aug 10, 2023
Aug 10, 2023
Aug 10, 2023
Aug 10, 2023
Mar 7, 2023
Feb 14, 2023
Feb 14, 2023
Feb 14, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Feb 9, 2023
Sep 30, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Jul 22, 2022
Jul 22, 2022
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Mar 15, 2022
Mar 15, 2022
Mar 3, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Feb 25, 2022
Jun 11, 2021
Jun 9, 2021
Jun 4, 2021
May 28, 2021
Letter accompanying subsequently filed items
Search/Exam
May 28, 2021
May 28, 2021
Apr 30, 2021
Decision to grant a European patent
Search/Exam
Apr 19, 2021
(Electronic) Receipt
Search/Exam
Apr 19, 2021
Filing of the translations of the claims
Search/Exam
Apr 19, 2021
French translation of claims
Search/Exam
Apr 19, 2021
German translation of the claims
Search/Exam
Apr 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2021
Dec 22, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 22, 2020
Dec 22, 2020
Dec 8, 2020
Dec 8, 2020
Dec 8, 2020
Intention to grant (signatures)
Search/Exam
Dec 8, 2020
Text intended for grant (clean copy)
Search/Exam
Dec 8, 2020
Sep 9, 2020
(Electronic) Receipt
Search/Exam
Sep 9, 2020
Amended claims with annotations
Search/Exam
Sep 9, 2020
Amended description with annotations
Search/Exam
Sep 9, 2020
Claims
Search/Exam
Sep 9, 2020
Description
Search/Exam
Sep 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 9, 2020
May 4, 2020
May 4, 2020
May 4, 2020
Intention to grant (signatures)
Search/Exam
May 4, 2020
Text intended for grant (clean copy)
Search/Exam
May 4, 2020
Sep 18, 2019
Sep 13, 2019
Sep 4, 2019
Jul 30, 2019
Decision to allow further processing
Search/Exam
Jul 25, 2019
Jul 25, 2019
Jul 18, 2019
(Electronic) Receipt
Search/Exam
Jul 18, 2019
Amended claims with annotations
Search/Exam
Jul 18, 2019
Authorisation
Search/Exam
Jul 18, 2019
Claims
Search/Exam
Jul 18, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 18, 2019
Request for further processing
Search/Exam
May 13, 2019
Feb 6, 2019
Feb 1, 2019
(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
Search/Exam
Jan 18, 2018
(Electronic) Receipt
Search/Exam
Jan 18, 2018
Jan 18, 2018
Amended claims with annotations
Search/Exam
Jan 18, 2018
Amendments received before examination
Search/Exam
Jan 18, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 13, 2017
Jul 18, 2017
Jul 14, 2017
Communication to designated inventor
Search/Exam
Jul 11, 2017
Priority search results copy provided by EPO
Search/Exam
Jul 3, 2017
(Electronic) Receipt
Search/Exam
Jul 3, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2017
Letter concerning fees and payments
Search/Exam
Jul 3, 2017
Matter concerning the application
Search/Exam
Jun 19, 2017
Jun 16, 2017
(Electronic) Receipt
Search/Exam
Jun 16, 2017
General authorisation
Search/Exam
Jun 16, 2017
Request for entry into the European phase
Search/Exam
Apr 18, 2017
Information on entry into European phase
Search/Exam
Jun 28, 2016
Jun 9, 2016
Copy of the international search report
Search/Exam
Jun 9, 2016
Published international application - A1
Search/Exam
Apr 12, 2016
ISR: cited documents
PCTISA
Apr 11, 2016
Apr 11, 2016
Apr 11, 2016
Mar 22, 2016
Abstract
PCTISA
Mar 22, 2016
Annex
PCTISA
Mar 22, 2016
Claims
PCTISA
Mar 22, 2016
Description
PCTISA
Mar 22, 2016
Drawings
PCTISA
Mar 22, 2016
Jan 21, 2016
Jan 4, 2016
Abstract
PCTISA
Jan 4, 2016
Annex
PCTISA
Jan 4, 2016
Claims
PCTISA
Jan 4, 2016
Description
PCTISA
Jan 4, 2016
Drawings
PCTISA
Jan 4, 2016
Jan 4, 2016
Jan 4, 2016
Jan 4, 2016
Jan 4, 2016
Jan 4, 2016