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The patent EP3509581 was granted to Axsome Malta on Nov 9, 2022. The application was filed on Sep 6, 2017 under application number EP17849426A. 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 |
|---|---|---|---|
| SANDOZ | Aug 8, 2023 | KRAUS & LEDERER PARTGMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2012004300 |
| DESCRIPTION | US2015018414 |
| DESCRIPTION | US5705640 |
| DESCRIPTION | US5756817 |
| DESCRIPTION | US5955499 |
| DESCRIPTION | US6140532 |
| DESCRIPTION | US6680299 |
| DESCRIPTION | US6680322 |
| DESCRIPTION | US6680324 |
| DESCRIPTION | US8232315 |
| DESCRIPTION | US8440715 |
| DESCRIPTION | US8552060 |
| DESCRIPTION | US8623913 |
| DESCRIPTION | US8729120 |
| DESCRIPTION | US8741950 |
| DESCRIPTION | US8895609 |
| DESCRIPTION | US8927602 |
| DESCRIPTION | US8952062 |
| DESCRIPTION | US9050302 |
| DESCRIPTION | US9226910 |
| DESCRIPTION | US9359290 |
| INTERNATIONAL-SEARCH-REPORT | US2011111027 |
| INTERNATIONAL-SEARCH-REPORT | US2014350098 |
| INTERNATIONAL-SEARCH-REPORT | US2015246874 |
| INTERNATIONAL-SEARCH-REPORT | US2016081970 |
| OPPOSITION | US2011111027 |
| OPPOSITION | US2014275244 |
| OPPOSITION | WO2006133393 |
| SEARCH | US2012004300 |
| SEARCH | US2015018414 |
| SEARCH | US5955499 |
| SEARCH | WO2008048801 |
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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Jul 8, 2025
Jul 4, 2025
(Electronic) Receipt
Appeal
Jul 4, 2025
Jul 4, 2025
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Reply to appeal
Appeal
Jun 27, 2025
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(Electronic) Receipt
Appeal
Jun 24, 2025
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Mar 4, 2025
Feb 27, 2025
(Electronic) Receipt
Appeal
Feb 27, 2025
Feb 27, 2025
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Dec 9, 2024
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Dec 3, 2024
(Electronic) Receipt
Appeal
Dec 3, 2024
Notice of appeal
Appeal
Dec 3, 2024
Notice of appeal
Appeal
Oct 30, 2024
Oct 30, 2024
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Means of redress
OPPO
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Dec 12, 2023
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2023
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Jun 20, 2023
Annexes in respect of a client data request
Search/Exam
Jun 20, 2023
Jun 9, 2023
May 31, 2023
(Electronic) Receipt
Search/Exam
May 31, 2023
Annexes in respect of a client data request
Search/Exam
May 31, 2023
Letter accompanying subsequently filed items
Search/Exam
May 31, 2023
Nov 22, 2022
Oct 13, 2022
Decision to grant a European patent
Search/Exam
Oct 3, 2022
(Electronic) Receipt
Search/Exam
Oct 3, 2022
Filing of the translations of the claims
Search/Exam
Oct 3, 2022
French translation of claims
Search/Exam
Oct 3, 2022
German translation of the claims
Search/Exam
Oct 3, 2022
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2022
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Jun 22, 2022
Intention to grant (signatures)
Search/Exam
Jun 22, 2022
Text intended for grant (clean copy)
Search/Exam
Jun 22, 2022
Apr 27, 2022
(Electronic) Receipt
Search/Exam
Apr 27, 2022
Amended claims with annotations
Search/Exam
Apr 27, 2022
Amended description with annotations
Search/Exam
Apr 27, 2022
Claims
Search/Exam
Apr 27, 2022
Description
Search/Exam
Apr 27, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 27, 2022
Dec 22, 2021
Dec 22, 2021
Dec 22, 2021
Intention to grant (signatures)
Search/Exam
Dec 22, 2021
Text intended for grant (clean copy)
Search/Exam
Dec 22, 2021
Oct 11, 2021
(Electronic) Receipt
Search/Exam
Oct 11, 2021
Amended claims with annotations
Search/Exam
Oct 11, 2021
Amended description with annotations
Search/Exam
Oct 11, 2021
Claims
Search/Exam
Oct 11, 2021
Description
Search/Exam
Oct 11, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 11, 2021
Jun 7, 2021
Annex to the communication
Search/Exam
Jun 7, 2021
Communication from the Examining Division
Search/Exam
Apr 19, 2021
(Electronic) Receipt
Search/Exam
Apr 19, 2021
Amended claims with annotations
Search/Exam
Apr 19, 2021
Amended description with annotations
Search/Exam
Apr 19, 2021
Claims
Search/Exam
Apr 19, 2021
Description
Search/Exam
Apr 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2021
Mar 16, 2021
Annex to the communication
Search/Exam
Mar 16, 2021
Communication from the Examining Division
Search/Exam
Mar 9, 2021
Examination started
Search/Exam
Aug 13, 2020
(Electronic) Receipt
Search/Exam
Aug 13, 2020
Aug 13, 2020
Amended claims with annotations
Search/Exam
Aug 13, 2020
Aug 13, 2020
Amended description with annotations
Search/Exam
Aug 13, 2020
Amendments received before examination
Search/Exam
Aug 13, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2020
Mar 5, 2020
Mar 5, 2020
European search opinion
Search/Exam
Mar 5, 2020
Information on Search Strategy
Search/Exam
Mar 5, 2020
Supplementary European search report
Search/Exam
Feb 21, 2020
Search started
Search/Exam
Oct 22, 2019
(Electronic) Receipt
Search/Exam
Oct 22, 2019
Oct 22, 2019
Amended claims with annotations
Search/Exam
Oct 22, 2019
Amendments received before examination
Search/Exam
Oct 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 27, 2019
Sep 27, 2019
Sep 16, 2019
(Electronic) Receipt
Search/Exam
Sep 16, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 16, 2019
Sep 3, 2019
Jul 11, 2019
(Electronic) Receipt
Search/Exam
Jul 11, 2019
Annexes in respect of a client data request
Search/Exam
Jul 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 11, 2019
Jun 19, 2019
Apr 12, 2019
Apr 12, 2019
Communication to designated inventor
Search/Exam
Apr 12, 2019
Communication to designated inventor
Search/Exam
Mar 26, 2019
Mar 19, 2019
(Electronic) Receipt
Search/Exam
Mar 19, 2019
Request for entry into the European phase
Search/Exam
Jan 18, 2019
Information on entry into European phase
Search/Exam
Apr 4, 2018
Apr 4, 2018
Mar 15, 2018
Copy of the international search report
Search/Exam
Mar 15, 2018
Published international application - A1
Search/Exam