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The patent EP3528847 was granted to Altergon on Jul 22, 2020. The application was filed on Oct 17, 2017 under application number EP17794903A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| UNI PHARMA KLEON TSETIS PHARMACEUTICAL LABORATORIES | Apr 21, 2021 | SONNENHAUSER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2010086030 |
| DESCRIPTION | WO2013072304 |
| INTERNATIONAL-SEARCH-REPORT | US9345772 |
| INTERNATIONAL-SEARCH-REPORT | WO2012120338 |
| INTERNATIONAL-SEARCH-REPORT | WO2013072304 |
| OPPOSITION | EP2683361 |
| OPPOSITION | WO2013072304 |
| OPPOSITION | WO2016137969 |
| OTHER | WO2013072304 |
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
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Nov 18, 2025
Nov 18, 2025
Nov 17, 2025
(Electronic) Receipt
Appeal
Nov 17, 2025
Nov 17, 2025
Nov 17, 2025
Nov 6, 2025
Oct 30, 2025
Oct 29, 2025
Refund of fees
Appeal
Oct 27, 2025
Oct 20, 2025
(Electronic) Receipt
Appeal
Oct 20, 2025
Oct 20, 2025
Authorisation
Appeal
Oct 20, 2025
Oct 20, 2025
Jul 14, 2025
(Electronic) Receipt
Appeal
Jul 14, 2025
Jul 14, 2025
Jul 7, 2025
OP Summons VICO (R)
Appeal
Jul 2, 2025
Order - OP Summons (R)
Appeal
May 20, 2025
May 20, 2025
May 15, 2025
Apr 8, 2025
(Electronic) Receipt
Appeal
Apr 8, 2025
Apr 8, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Mar 7, 2025
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 19, 2024
Dec 4, 2024
(Electronic) Receipt
Appeal
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Nov 20, 2024
Nov 19, 2024
(Electronic) Receipt
Appeal
Nov 19, 2024
Nov 19, 2024
Oct 29, 2024
Aug 7, 2024
Aug 6, 2024
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 25, 2023
(Electronic) Receipt
Appeal
Oct 25, 2023
Authorisation
Appeal
Oct 25, 2023
Oct 25, 2023
Sep 26, 2023
Sep 21, 2023
Jun 1, 2023
May 25, 2023
May 25, 2023
May 16, 2023
May 15, 2023
(Electronic) Receipt
Appeal
May 15, 2023
May 15, 2023
Apr 20, 2023
Mar 23, 2023
Mar 22, 2023
(Electronic) Receipt
Appeal
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Mar 22, 2023
Reply to appeal
Appeal
Nov 14, 2022
Nov 9, 2022
(Electronic) Receipt
Appeal
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Nov 9, 2022
Sep 22, 2022
Sep 22, 2022
Sep 15, 2022
(Electronic) Receipt
Appeal
Sep 15, 2022
Sep 15, 2022
Notice of appeal
Appeal
Jul 19, 2022
Jul 12, 2022
Jul 8, 2022
Jul 8, 2022
Jul 8, 2022
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Jul 8, 2022
Means of redress
OPPO
Jul 8, 2022
Jul 8, 2022
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Dec 17, 2021
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Apr 21, 2021
Jan 5, 2021
Document concerning representation
Search/Exam
Aug 3, 2020
Jun 25, 2020
Decision to grant a European patent
Search/Exam
Jun 16, 2020
(Electronic) Receipt
Search/Exam
Jun 16, 2020
Filing of the translations of the claims
Search/Exam
Jun 16, 2020
French translation of claims
Search/Exam
Jun 16, 2020
German translation of the claims
Search/Exam
Jun 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 19, 2020
Feb 19, 2020
Feb 19, 2020
Feb 19, 2020
Intention to grant (signatures)
Search/Exam
Feb 19, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 19, 2020
Jan 14, 2020
Examination started
Search/Exam
Aug 21, 2019
(Electronic) Receipt
Search/Exam
Aug 21, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
Jul 31, 2019
Jul 2, 2019
Jul 2, 2019
Jun 25, 2019
Citation filed by a third party
Search/Exam
Jun 25, 2019
Observations by third parties
Search/Exam
Jun 24, 2019
Observations by third parties
Search/Exam
May 24, 2019
May 24, 2019
Communication to designated inventor
Search/Exam
May 24, 2019
Communication to designated inventor
Search/Exam
May 24, 2019
Communication to designated inventor
Search/Exam
May 18, 2019
Priority search results copy provided by EPO
Search/Exam
Apr 29, 2019
Apr 29, 2019
Apr 29, 2019
Apr 2, 2019
(Electronic) Receipt
Search/Exam
Apr 2, 2019
Apr 2, 2019
Amended claims with annotations
Search/Exam
Apr 2, 2019
Request for entry into the European phase
Search/Exam
Mar 1, 2019
Information on entry into European phase
Search/Exam
Feb 4, 2019
Feb 4, 2019
Feb 4, 2019
Feb 4, 2019
Feb 4, 2019
Nov 6, 2018
Nov 6, 2018
Nov 6, 2018
Nov 6, 2018
Nov 6, 2018
Sep 13, 2018
Written opinion
PCT2
Sep 13, 2018
Sep 13, 2018
Jun 19, 2018
Notification of election of EPO
Search/Exam
Jun 18, 2018
Jun 5, 2018
May 31, 2018
May 31, 2018
PCT demand form
PCT2
May 31, 2018
May 31, 2018
May 31, 2018
May 31, 2018
May 16, 2018
Apr 26, 2018
Copy of the international search report
Search/Exam
Apr 26, 2018
Published international application - A1
Search/Exam
Feb 21, 2018
ISR: cited documents
PCTISA
Feb 20, 2018
Feb 20, 2018
Feb 20, 2018
Jan 30, 2018
Jan 30, 2018
Nov 21, 2017
(Electronic) Receipt
PCTRO
Nov 21, 2017
Nov 21, 2017
Nov 21, 2017
Nov 17, 2017
Oct 17, 2017
(Electronic) Receipt
PCTRO
Oct 17, 2017
Abstract
PCTRO
Oct 17, 2017
Claims
PCTRO
Oct 17, 2017
Description
PCTRO
Oct 17, 2017
Oct 17, 2017
Oct 17, 2017
Oct 17, 2017