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The patent EP3351936 was granted to Cellestis on Jan 8, 2025. The application was filed on Jun 27, 2012 under application number EP18158828A. 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 |
|---|---|---|---|
| BIOMERIEUX SOCIETE ANONYME | Oct 7, 2025 | BIRD & BIRD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2001AU00420 |
| DESCRIPTION | US4016043 |
| DESCRIPTION | US4018653 |
| DESCRIPTION | US4424279 |
| DESCRIPTION | WO2005118629 |
| OPPOSITION | EP1723426 |
| OPPOSITION | EP2726883 |
| OPPOSITION | US2004141985 |
| OPPOSITION | WO0026248 |
| OPPOSITION | WO2009121845 |
| OPPOSITION | WO2013000021 |
| OTHER | EP2726883 |
| OTHER | WO2009121845 |
| SEARCH | WO2009121845 |
| SEARCH | WO2011075773 |
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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Jan 21, 2025
Dec 12, 2024
Decision to grant a European patent
Search/Exam
Nov 29, 2024
(Electronic) Receipt
Search/Exam
Nov 29, 2024
Filing of the translations of the claims
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Nov 29, 2024
French translation of claims
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Nov 29, 2024
German translation of the claims
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Nov 29, 2024
Letter accompanying subsequently filed items
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Aug 2, 2024
Aug 2, 2024
Aug 2, 2024
Aug 2, 2024
Intention to grant (signatures)
Search/Exam
Aug 2, 2024
Text intended for grant (clean copy)
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Aug 2, 2024
Sep 22, 2023
(Electronic) Receipt
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Sep 22, 2023
Amended claims with annotations
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Sep 22, 2023
Claims
Search/Exam
Sep 22, 2023
Letter accompanying subsequently filed items
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Sep 22, 2023
Sep 18, 2023
Aug 29, 2023
(Electronic) Receipt
Search/Exam
Aug 29, 2023
Annexes in respect of a client data request
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Aug 29, 2023
Annexes in respect of a client data request
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Aug 29, 2023
Letter accompanying subsequently filed items
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Aug 29, 2023
Jun 27, 2023
Jun 22, 2023
(Electronic) Receipt
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Jun 22, 2023
Mar 15, 2023
Annex to the communication
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Mar 15, 2023
Communication from the Examining Division
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May 25, 2022
May 19, 2022
Non-patent literature filed by a third party
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May 19, 2022
Non-patent literature filed by a third party
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May 19, 2022
Non-patent literature filed by a third party
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May 19, 2022
Non-patent literature filed by a third party
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May 19, 2022
Non-patent literature filed by a third party
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May 19, 2022
Observations by third parties
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May 19, 2022
Patent document filed by a Third party
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Mar 31, 2022
(Electronic) Receipt
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Mar 31, 2022
Amended claims with annotations
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Mar 31, 2022
Claims
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Mar 31, 2022
Letter accompanying subsequently filed items
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Mar 31, 2022
Feb 8, 2022
Feb 2, 2022
(Electronic) Receipt
Search/Exam
Feb 2, 2022
Dec 6, 2021
Dec 1, 2021
(Electronic) Receipt
Search/Exam
Dec 1, 2021
Sep 23, 2021
Annex to the communication
Search/Exam
Sep 23, 2021
Communication from the Examining Division
Search/Exam
Oct 5, 2020
(Electronic) Receipt
Search/Exam
Oct 5, 2020
Amended claims with annotations
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Oct 5, 2020
Claims
Search/Exam
Oct 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 5, 2020
Aug 13, 2020
Jul 27, 2020
(Electronic) Receipt
Search/Exam
Jul 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 27, 2020
Jan 27, 2020
Annex to the communication
Search/Exam
Jan 27, 2020
Communication from the Examining Division
Search/Exam
Jan 21, 2020
Examination started
Search/Exam
Jun 5, 2019
Decision to allow further processing
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May 22, 2019
(Electronic) Receipt
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May 22, 2019
May 22, 2019
Amended claims with annotations
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May 22, 2019
Letter accompanying subsequently filed items
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May 22, 2019
Request for further processing
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Mar 13, 2019
Jan 25, 2019
(Electronic) Receipt
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Jan 25, 2019
Letter accompanying subsequently filed items
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Jan 25, 2019
Written request for examination
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Jul 30, 2018
Jun 27, 2018
Notification of forthcoming publication
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Apr 23, 2018
Communication to designated inventor
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Apr 18, 2018
Refund of fees
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Apr 12, 2018
Apr 12, 2018
European search opinion
Search/Exam
Apr 12, 2018
European search report
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Apr 12, 2018
Information on Search Strategy
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Feb 27, 2018
Abstract
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Feb 27, 2018
Feb 27, 2018
Claims
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Feb 27, 2018
Description
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Feb 27, 2018
Designation of inventor
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Feb 27, 2018
Drawings
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Feb 27, 2018
Letter concerning search matters
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Feb 27, 2018
Matter concerning the application
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Feb 27, 2018
Request for grant of a European patent
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Jan 22, 2013