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The patent EP3174526 was granted to Britannia Pharmaceuticals on Mar 22, 2023. The application was filed on Jul 31, 2015 under application number EP15766745A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| EVER NEURO PHARMA | Jun 10, 2020 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US6514482 |
| INTERNATIONAL-SEARCH-REPORT | EP2545905 |
| INTERNATIONAL-SEARCH-REPORT | US2011111011 |
| OPPOSITION | EP2545905 |
| OPPOSITION | US2011111011 |
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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Feb 23, 2023
Feb 23, 2023
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Refund of fees
Appeal
Sep 26, 2022
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(Electronic) Receipt
Appeal
Sep 16, 2022
Sep 16, 2022
Withdrawal of an appeal
Appeal
Jul 7, 2022
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Jun 25, 2019
(Electronic) Receipt
Search/Exam
Jun 25, 2019
Filing of the translations of the claims
Search/Exam
Jun 25, 2019
French translation of claims
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Jun 25, 2019
German translation of the claims
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Intention to grant (signatures)
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Mar 6, 2019
Text intended for grant (clean copy)
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Mar 6, 2019
Dec 14, 2018
(Electronic) Receipt
Search/Exam
Dec 14, 2018
Amended claims with annotations
Search/Exam
Dec 14, 2018
Amended description with annotations
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Dec 14, 2018
Claims
Search/Exam
Dec 14, 2018
Description
Search/Exam
Dec 14, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 14, 2018
Aug 8, 2018
Annex to the communication
Search/Exam
Aug 8, 2018
Communication from the Examining Division
Search/Exam
Jul 26, 2018
Examination started
Search/Exam
Jan 31, 2018
Decision to allow further processing
Search/Exam
Jan 17, 2018
(Electronic) Receipt
Search/Exam
Jan 17, 2018
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
Jan 17, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2018
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Request for further processing
Search/Exam
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Priority search results copy provided by EPO
Search/Exam
Mar 8, 2017
Communication to designated inventor
Search/Exam
Feb 23, 2017
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(Electronic) Receipt
Search/Exam
Feb 22, 2017
Request for entry into the European phase
Search/Exam
Dec 9, 2016
Information on entry into European phase
Search/Exam
Feb 22, 2016
Feb 4, 2016
Copy of the international search report
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Feb 4, 2016
Published international application - A1
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Dec 4, 2015
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Sep 30, 2015
Sep 16, 2015
Abstract
PCTRO
Sep 16, 2015
Claims
PCTRO
Sep 16, 2015
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Description
PCTRO
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