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The patent EP3997044 was granted to SGD on Aug 9, 2023. The application was filed on Jul 10, 2020 under application number EP20753396A. 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 |
|---|---|---|---|
| BORMIOLI PHARMA | May 7, 2024 | MONELLI | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | FR912609 |
| INTERNATIONAL-SEARCH-REPORT | JP2001294447 |
| INTERNATIONAL-SEARCH-REPORT | US2012040193 |
| OPPOSITION | CA773057 |
| OPPOSITION | CN102320759 |
| OPPOSITION | CN207188400U |
| OPPOSITION | EP1106510 |
| OPPOSITION | EP3192587 |
| OPPOSITION | FR2697014 |
| OPPOSITION | FR2700764 |
| OPPOSITION | GB563091 |
| OPPOSITION | GB948309 |
| OPPOSITION | JP2001294447 |
| OPPOSITION | US2947117 |
| OPPOSITION | WO2015170198 |
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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Dec 30, 2025
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Authorisation
OPPO
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Letter accompanying subsequently filed items
Search/Exam
Nov 10, 2023
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(Electronic) Receipt
Search/Exam
Nov 2, 2023
Annexes in respect of a client data request
Search/Exam
Nov 2, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 2, 2023
Aug 22, 2023
Jul 13, 2023
Decision to grant a European patent
Search/Exam
Jun 14, 2023
Jun 6, 2023
(Electronic) Receipt
Search/Exam
Jun 6, 2023
English translation of the claims
Search/Exam
Jun 6, 2023
Filing of the translations of the claims
Search/Exam
Jun 6, 2023
German translation of the claims
Search/Exam
Jun 6, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 13, 2023
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Intention to grant (signatures)
Search/Exam
Feb 13, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 13, 2023
Jan 4, 2023
Examination started
Search/Exam
Aug 24, 2022
Aug 18, 2022
Aug 11, 2022
(Electronic) Receipt
Search/Exam
Aug 11, 2022
Aug 11, 2022
Amended description with annotations
Search/Exam
Aug 11, 2022
Amendments received before examination
Search/Exam
Aug 11, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 25, 2022
Feb 18, 2022
Feb 11, 2022
Priority search results copy provided by EPO
Search/Exam
Jan 24, 2022
Dec 17, 2021
(Electronic) Receipt
Search/Exam
Dec 17, 2021
Request for entry into the European phase
Search/Exam
Nov 19, 2021
Information on entry into European phase
Search/Exam
Feb 1, 2021
Jan 14, 2021
Copy of the international search report
Search/Exam
Jan 14, 2021
Copy of the international search report
Search/Exam
Jan 14, 2021
Published international application - A1
Search/Exam
Oct 9, 2020
ISR: cited documents
PCTISA
Oct 9, 2020
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Aug 11, 2020
Abstract
PCTISA
Aug 11, 2020
Claims
PCTISA
Aug 11, 2020
Description
PCTISA
Aug 11, 2020
Drawings
PCTISA
Aug 11, 2020