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The patent EP3497104 was granted to Assia Chemical Industries on Oct 6, 2021. The application was filed on Aug 8, 2017 under application number EP17754571A. 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 |
|---|---|---|---|
| INTRA CELLULAR THERAPIES | Jun 30, 2022 | MARKS & CLERK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US8648077 |
| DESCRIPTION | WO2008112280 |
| DESCRIPTION | WO2009114181 |
| INTERNATIONAL-SEARCH-REPORT | WO2009114181 |
| OPPOSITION | WO2009114181 |
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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Sep 23, 2025
Sep 23, 2025
Sep 18, 2025
Sep 18, 2025
Apr 8, 2025
Apr 2, 2025
(Electronic) Receipt
Appeal
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Claims
Appeal
Apr 2, 2025
Claims
Appeal
Apr 2, 2025
Claims
Appeal
Apr 2, 2025
Apr 2, 2025
Reply to appeal
Appeal
Mar 14, 2025
Mar 14, 2025
Mar 10, 2025
(Electronic) Receipt
Appeal
Mar 10, 2025
Mar 10, 2025
Feb 21, 2025
Feb 12, 2025
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Feb 3, 2025
Feb 3, 2025
Feb 3, 2025
Dec 4, 2024
Nov 29, 2024
Nov 28, 2024
(Electronic) Receipt
Appeal
Nov 28, 2024
Nov 28, 2024
Oct 2, 2024
Oct 2, 2024
Sep 26, 2024
(Electronic) Receipt
Appeal
Sep 26, 2024
Sep 26, 2024
Notice of appeal
Appeal
Jul 29, 2024
Jul 29, 2024
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Means of redress
OPPO
Jul 29, 2024
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Oct 19, 2021
Sep 9, 2021
Decision to grant a European patent
Search/Exam
Jul 19, 2021
(Electronic) Receipt
Search/Exam
Jul 19, 2021
Filing of the translations of the claims
Search/Exam
Jul 19, 2021
French translation of claims
Search/Exam
Jul 19, 2021
German translation of the claims
Search/Exam
Jul 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 14, 2021
Jun 28, 2021
(Electronic) Receipt
Search/Exam
Jun 28, 2021
Annexes in respect of a client data request
Search/Exam
Jun 28, 2021
Annexes in respect of a client data request
Search/Exam
Jun 28, 2021
Jun 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 28, 2021
May 26, 2021
(Electronic) Receipt
Search/Exam
May 25, 2021
(Electronic) Receipt
Search/Exam
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 12, 2021
Mar 11, 2021
Intention to grant (signatures)
Search/Exam
Nov 30, 2020
(Electronic) Receipt
Search/Exam
Nov 30, 2020
Amended claims with annotations
Search/Exam
Nov 30, 2020
Amended description with annotations
Search/Exam
Nov 30, 2020
Claims
Search/Exam
Nov 30, 2020
Description
Search/Exam
Nov 30, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 30, 2020
Nov 2, 2020
Annex to the communication
Search/Exam
Nov 2, 2020
Communication from the Examining Division
Search/Exam
Jul 8, 2020
(Electronic) Receipt
Search/Exam
Jul 8, 2020
Amended claims with annotations
Search/Exam
Jul 8, 2020
Amended description with annotations
Search/Exam
Jul 8, 2020
Claims
Search/Exam
Jul 8, 2020
Description
Search/Exam
Jul 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 8, 2020
Mar 23, 2020
Annex to the communication
Search/Exam
Mar 23, 2020
Communication from the Examining Division
Search/Exam
Mar 17, 2020
Examination started
Search/Exam
Jan 20, 2020
Decision to allow further processing
Search/Exam
Dec 17, 2019
(Electronic) Receipt
Search/Exam
Dec 17, 2019
Dec 17, 2019
Amended claims with annotations
Search/Exam
Dec 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 17, 2019
Request for further processing
Search/Exam
Nov 6, 2019
Nov 6, 2019
Claim deemed abandoned
Search/Exam
May 22, 2019
Mar 15, 2019
Mar 15, 2019
Communication to designated inventor
Search/Exam
Mar 15, 2019
Communication to designated inventor
Search/Exam
Mar 15, 2019
Communication to designated inventor
Search/Exam
Mar 15, 2019
Communication to designated inventor
Search/Exam
Mar 15, 2019
Communication to designated inventor
Search/Exam
Feb 27, 2019
Feb 20, 2019
Information regarding early processing
Search/Exam
Feb 4, 2019
(Electronic) Receipt
Search/Exam
Feb 4, 2019
Request for entry into the European phase
Search/Exam
Dec 19, 2018
Information on entry into European phase
Search/Exam
Mar 5, 2018
Mar 5, 2018
Mar 5, 2018
Mar 5, 2018
Mar 5, 2018
Feb 15, 2018
Copy of the international search report
Search/Exam
Feb 15, 2018
Published international application - A1
Search/Exam
Oct 18, 2017
ISR: cited documents
PCTISA
Oct 17, 2017
Oct 17, 2017
Oct 17, 2017
Sep 11, 2017
Annex
PCTISA
Sep 11, 2017
Sep 11, 2017
Sep 1, 2017
Aug 18, 2017
Abstract
PCTISA
Aug 18, 2017
Annex
PCTISA
Aug 18, 2017
Claims
PCTISA
Aug 18, 2017
Description
PCTISA
Aug 18, 2017
Drawings
PCTISA
Aug 18, 2017
Aug 18, 2017
Aug 18, 2017
Aug 18, 2017
Aug 18, 2017