The weekly litigation news digest is live. Subscribe now
The patent EP3509582 was granted to Axsome Malta on Dec 20, 2023. The application was filed on Sep 6, 2017 under application number EP17849432A. 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 |
|---|---|---|---|
| KRAUS & LEDERER PARTGMBB | Sep 19, 2024 | 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 | US20180623838 |
| DESCRIPTION | US2012004300 |
| DESCRIPTION | US2014350098 |
| DESCRIPTION | US2015018414 |
| DESCRIPTION | US2016081970 |
| DESCRIPTION | US5705640 |
| DESCRIPTION | US5756817 |
| DESCRIPTION | US5955499 |
| DESCRIPTION | US6140532 |
| DESCRIPTION | US8232315 |
| DESCRIPTION | US8440715 |
| DESCRIPTION | US8552060 |
| DESCRIPTION | US8623913 |
| DESCRIPTION | US8729120 |
| DESCRIPTION | US8741950 |
| DESCRIPTION | US8895609 |
| DESCRIPTION | US8927602 |
| DESCRIPTION | US9226910 |
| DESCRIPTION | US9359290 |
| EXAMINATION | WO2005033064 |
| INTERNATIONAL-SEARCH-REPORT | US2014350098 |
| INTERNATIONAL-SEARCH-REPORT | US2015246874 |
| INTERNATIONAL-SEARCH-REPORT | US2016081970 |
| INTERNATIONAL-SEARCH-REPORT | US6350596 |
| OPPOSITION | US2014275244 |
| OPPOSITION | US2014350098 |
| OPPOSITION | WO2005033064 |
| OPPOSITION | WO9607637 |
| OTHER | WO2005033064 |
| SEARCH | US2014350098 |
| SEARCH | US2016081970 |
| SEARCH | US5955499 |
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
Jan 8, 2026
Jan 8, 2026
Jan 8, 2026
Jan 8, 2026
Jan 8, 2026
Jan 8, 2026
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 2025
Jun 13, 2025
Jun 9, 2025
Jun 9, 2025
Jun 9, 2025
Jun 9, 2025
Jun 9, 2025
May 14, 2025
May 8, 2025
May 8, 2025
May 8, 2025
May 8, 2025
Feb 12, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Feb 7, 2025
Oct 7, 2024
Oct 7, 2024
Sep 24, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Jan 9, 2024
Nov 23, 2023
Decision to grant a European patent
Search/Exam
Nov 8, 2023
(Electronic) Receipt
Search/Exam
Nov 8, 2023
Filing of the translations of the claims
Search/Exam
Nov 8, 2023
French translation of claims
Search/Exam
Nov 8, 2023
German translation of the claims
Search/Exam
Nov 8, 2023
Letter accompanying subsequently filed items
Search/Exam
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Jun 30, 2023
Intention to grant (signatures)
Search/Exam
Jun 30, 2023
Text intended for grant (clean copy)
Search/Exam
Jun 30, 2023
Jun 22, 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
Apr 19, 2023
(Electronic) Receipt
Search/Exam
Apr 19, 2023
(Electronic) Receipt
Search/Exam
Apr 19, 2023
Amended description with annotations
Search/Exam
Apr 19, 2023
Description
Search/Exam
Apr 19, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2023
Feb 15, 2023
Feb 8, 2023
Observations by third parties
Search/Exam
Dec 9, 2022
Annex to the communication
Search/Exam
Dec 9, 2022
Communication from the Examining Division
Search/Exam
Aug 17, 2022
(Electronic) Receipt
Search/Exam
Aug 17, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 17, 2022
Aug 17, 2022
Apr 8, 2022
Annex to the communication
Search/Exam
Apr 8, 2022
Communication from the Examining Division
Search/Exam
Nov 22, 2021
(Electronic) Receipt
Search/Exam
Nov 22, 2021
Amended claims with annotations
Search/Exam
Nov 22, 2021
Claims
Search/Exam
Nov 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 22, 2021
Sep 22, 2021
Sep 16, 2021
(Electronic) Receipt
Search/Exam
Sep 16, 2021
May 11, 2021
Annex to the communication
Search/Exam
May 11, 2021
Communication from the Examining Division
Search/Exam
May 4, 2021
Examination started
Search/Exam
Nov 9, 2020
(Electronic) Receipt
Search/Exam
Nov 9, 2020
Nov 9, 2020
Amended claims with annotations
Search/Exam
Nov 9, 2020
Nov 9, 2020
Amended description with annotations
Search/Exam
Nov 9, 2020
Amendments received before examination
Search/Exam
Nov 9, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 29, 2020
Apr 9, 2020
Apr 9, 2020
European search opinion
Search/Exam
Apr 9, 2020
Information on Search Strategy
Search/Exam
Apr 9, 2020
Supplementary European search report
Search/Exam
Mar 18, 2020
Search started
Search/Exam
Nov 1, 2019
(Electronic) Receipt
Search/Exam
Nov 1, 2019
Nov 1, 2019
Amended claims with annotations
Search/Exam
Nov 1, 2019
Amendments received before examination
Search/Exam
Nov 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2019
Sep 20, 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 29, 2019
Apr 25, 2019
Communication to designated inventor
Search/Exam
Apr 25, 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
Mar 6, 2019
Notification of the recording of a change
Search/Exam
Jan 18, 2019
Information on entry into European phase
Search/Exam
Apr 4, 2018
Mar 15, 2018
Copy of the international search report
Search/Exam
Mar 15, 2018
Published international application - A1
Search/Exam