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The patent EP3911354 was granted to Centre National DE LA Recherche Scientifique Cnrs on Apr 3, 2024. The application was filed on Jan 20, 2020 under application number EP20701951A. 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 |
|---|---|---|---|
| MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB | Apr 19, 2024 | - | ADMISSIBLE |
| POHLMAN | Apr 19, 2024 | POHLMAN | ADMISSIBLE |
| WEICKMANN & WEICKMANN | Apr 18, 2024 | - | ADMISSIBLE |
| REGENERON PHARMACEUTICALS | Apr 16, 2024 | CARPMAELS & RANSFORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6967018 |
| DESCRIPTION | US8137962 |
| DESCRIPTION | US8298818 |
| DESCRIPTION | WO2011075838 |
| DESCRIPTION | WO2013075008 |
| OPPOSITION | WO03052051 |
| OPPOSITION | WO2014193716 |
| OPPOSITION | WO2017100791 |
| OPPOSITION | WO2018039375 |
| OPPOSITION | WO2018204734 |
| OPPOSITION | WO2019165292 |
| OPPOSITION | WO2021087296 |
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.
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(Electronic) Receipt
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
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(Electronic) Receipt
Search/Exam
Feb 21, 2024
Letter accompanying subsequently filed items
Search/Exam
Feb 21, 2024
Request for correction of client data
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Aug 1, 2023
Jun 22, 2023
Decision to grant a European patent
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Jun 19, 2023
Change to the inventor details
Search/Exam
Jun 13, 2023
(Electronic) Receipt
Search/Exam
Jun 13, 2023
Filing of the translations of the claims
Search/Exam
Jun 13, 2023
French translation of claims
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Jun 13, 2023
German translation of the claims
Search/Exam
Jun 13, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2023
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Intention to grant (signatures)
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Feb 15, 2023
Text intended for grant (clean copy)
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Feb 15, 2023
Dec 23, 2022
Examination started
Search/Exam
Feb 10, 2022
(Electronic) Receipt
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Feb 10, 2022
Feb 10, 2022
Amended claims with annotations
Search/Exam
Feb 10, 2022
Amendments received before examination
Search/Exam
Feb 10, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 30, 2021
Payment submission rejected
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Oct 27, 2021
Aug 25, 2021
Aug 18, 2021
Priority search results copy provided by EPO
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Aug 2, 2021
Jul 28, 2021
(Electronic) Receipt
Search/Exam
Jul 28, 2021
Converted Sequence Listing
Search/Exam
Jul 28, 2021
Request for entry into the European phase
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Jul 10, 2021
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Notification of the recording of a change
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Jul 10, 2021
Notification of the recording of a change
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Jul 2, 2021
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Jul 2, 2021
Notification of the recording of a change
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Jul 2, 2021
Notification of the recording of a change
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Jun 21, 2021
May 28, 2021
Information on entry into European phase
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Jul 23, 2020
Converted Sequence Listing
Search/Exam
Jul 23, 2020
Copy of the international search report
Search/Exam
Jul 23, 2020
Published international application - A1
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Apr 3, 2020
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Jan 20, 2020
Abstract
PCTRO
Jan 20, 2020
Claims
PCTRO
Jan 20, 2020
Description
PCTRO
Jan 20, 2020
Jan 20, 2020
Drawings
PCTRO
Jan 20, 2020
Jan 20, 2020