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The patent EP3897836 was granted to Biogaia on Aug 16, 2023. The application was filed on Nov 6, 2020 under application number EP20807535A. 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 |
|---|---|---|---|
| VON MENGES | May 16, 2024 | UEXKULL & STOLBERG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CA3089187 |
| INTERNATIONAL-SEARCH-REPORT | EP0753303 |
| OPPOSITION | CA3089187 |
| OPPOSITION | US2019112675 |
| OPPOSITION | WO2006110088 |
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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Decision to grant a European patent
Search/Exam
Jul 12, 2023
(Electronic) Receipt
Search/Exam
Jul 12, 2023
French translation of claims
Search/Exam
Jul 12, 2023
German translation of the claims
Search/Exam
Jul 12, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 13, 2023
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Intention to grant (signatures)
Search/Exam
Mar 13, 2023
Intention to grant (signatures)
Search/Exam
Mar 13, 2023
Text intended for grant (clean copy)
Search/Exam
Mar 13, 2023
Nov 17, 2022
(Electronic) Receipt
Search/Exam
Nov 17, 2022
Amended claims with annotations
Search/Exam
Nov 17, 2022
Amended description with annotations
Search/Exam
Nov 17, 2022
Claims
Search/Exam
Nov 17, 2022
Description
Search/Exam
Nov 17, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 17, 2022
Aug 5, 2022
Annex to the communication
Search/Exam
Aug 5, 2022
Communication from the Examining Division
Search/Exam
May 16, 2022
May 5, 2022
(Electronic) Receipt
Search/Exam
May 5, 2022
Letter accompanying subsequently filed items
Search/Exam
May 5, 2022
May 5, 2022
Feb 10, 2022
(Electronic) Receipt
Search/Exam
Feb 10, 2022
Amended claims with annotations
Search/Exam
Feb 10, 2022
Claims
Search/Exam
Feb 10, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 10, 2022
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Dec 15, 2021
Annex to the communication
Search/Exam
Dec 15, 2021
Communication from the Examining Division
Search/Exam
Dec 8, 2021
Examination started
Search/Exam
Oct 27, 2021
Sep 8, 2021
Sep 8, 2021
Sep 8, 2021
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Aug 5, 2021
Jul 22, 2021
(Electronic) Receipt
Search/Exam
Jul 22, 2021
Jul 22, 2021
Amended claims with annotations
Search/Exam
Jul 22, 2021
Jul 22, 2021
Amended description with annotations
Search/Exam
Jul 22, 2021
Amendments received before examination
Search/Exam
Jul 22, 2021
Request for entry into the European phase
Search/Exam
Jun 14, 2021
Written opinion
PCT2
Jun 14, 2021
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May 31, 2021
May 20, 2021
Notification of election of EPO
Search/Exam
May 17, 2021
Letter concerning biological material
Search/Exam
May 17, 2021
Letter concerning biological material
Search/Exam
May 14, 2021
Copy of the international search report
Search/Exam
May 14, 2021
Published international application - A1
Search/Exam
May 13, 2021
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PCT demand form
PCT2
May 5, 2021
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ISR: cited documents
PCTISA
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Nov 14, 2020
Abstract
PCTISA
Nov 14, 2020
Claims
PCTISA
Nov 14, 2020
Description
PCTISA
Nov 14, 2020
Drawings
PCTISA
Nov 14, 2020