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The patent EP3984365 was granted to Knieler & Team on Sep 11, 2024. The application was filed on Oct 14, 2021 under application number EP21202775A. 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 |
|---|---|---|---|
| BODE CHEMIE | Jun 11, 2025 | TER MEER STEINMEISTER & PARTNER | ADMISSIBLE |
| DR SCHUMACHER | Jun 10, 2025 | SANDVOSS | ADMISSIBLE |
| ECOLAB USA | Jun 4, 2025 | GODEMEYER BLUM LENZE PATENTANWALTE PARTNERSCHAFT MBB WERKPATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | CA2865682 |
| EXAMINATION | US2012213864 |
| EXAMINATION | US2018208881 |
| EXAMINATION | WO2009138888 |
| EXAMINATION | WO2016100818 |
| EXAMINATION | WO2017165408 |
| OPPOSITION | CA2865682 |
| OPPOSITION | KR100597092B |
| OPPOSITION | US2003185902 |
| OPPOSITION | US2008045491 |
| OPPOSITION | US2010196503 |
| OPPOSITION | US2012213864 |
| OPPOSITION | US2013251590 |
| OPPOSITION | US2016021888 |
| OPPOSITION | US2016295859 |
| OPPOSITION | US2018208881 |
| OPPOSITION | US2018230413 |
| OPPOSITION | US2020214288 |
| OPPOSITION | US6387858 |
| OPPOSITION | WO2009021336 |
| OPPOSITION | WO2009027857 |
| OPPOSITION | WO2009138888 |
| OPPOSITION | WO2011156398 |
| OPPOSITION | WO2016100818 |
| OPPOSITION | WO2017112425 |
| OPPOSITION | WO2017112426 |
| OPPOSITION | WO9302973 |
| OPPOSITION | WO9614790 |
| OTHER | CA2865682 |
| OTHER | US2010196503 |
| OTHER | US2012213864 |
| OTHER | US2018208881 |
| OTHER | US6387858 |
| OTHER | WO2009138888 |
| OTHER | WO2016100818 |
| OTHER | WO9302973 |
| SEARCH | US2010196503 |
| SEARCH | US6387858 |
| SEARCH | WO9302973 |
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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Payment submission rejected
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Sep 24, 2024
Aug 16, 2024
Decision to grant a European patent
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Jul 31, 2024
(Electronic) Receipt
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Jul 31, 2024
English translation of the claims
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Jul 31, 2024
Filing of the translations of the claims
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Jul 31, 2024
French translation of claims
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Jul 31, 2024
Letter accompanying subsequently filed items
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Jun 14, 2024
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Intention to grant (signatures)
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Jun 14, 2024
Text intended for grant (clean copy)
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Jun 14, 2024
Jun 11, 2024
Jun 5, 2024
(Electronic) Receipt
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Jun 5, 2024
Letter accompanying subsequently filed items
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Jun 5, 2024
Request for correction of client data
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Apr 23, 2024
(Electronic) Receipt
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Apr 23, 2024
Letter accompanying subsequently filed items
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Apr 23, 2024
Mar 7, 2024
Annex to the communication
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Mar 7, 2024
Communication from the Examining Division
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Mar 1, 2024
(Electronic) Receipt
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Mar 1, 2024
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Nov 3, 2023
Text intended for grant (clean copy)
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Nov 3, 2023
Aug 9, 2023
(Electronic) Receipt
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Aug 9, 2023
Amended claims with annotations
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Aug 9, 2023
Amended description with annotations
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Aug 9, 2023
Claims
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Aug 9, 2023
Description
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Aug 9, 2023
Letter accompanying subsequently filed items
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Aug 9, 2023
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Jun 5, 2023
(Electronic) Receipt
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Jun 5, 2023
Letter accompanying subsequently filed items
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Jun 5, 2023
Feb 28, 2023
Feb 6, 2023
(Electronic) Receipt
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Feb 6, 2023
Annexes in respect of a client data request
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Feb 6, 2023
Letter accompanying subsequently filed items
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Feb 6, 2023
Jan 31, 2023
Annex to the communication
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Jan 31, 2023
Communication from the Examining Division
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Jan 23, 2023
Examination started
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Nov 23, 2022
Nov 23, 2022
Nov 14, 2022
(Electronic) Receipt
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Nov 14, 2022
Citation filed by a third party
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Nov 14, 2022
Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Citation filed by a third party
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Nov 14, 2022
Letter accompanying subsequently filed items
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Nov 14, 2022
Observations by third parties
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Oct 12, 2022
(Electronic) Receipt
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Oct 12, 2022
Oct 12, 2022
Amended claims with annotations
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Oct 12, 2022
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Amended description with annotations
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Oct 12, 2022
Amendments received before examination
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Oct 12, 2022
Letter accompanying subsequently filed items
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Notification of forthcoming publication
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European search opinion
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Mar 2, 2022
European search report
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Mar 2, 2022
Information on Search Strategy
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Nov 5, 2021
Letter concerning the priority
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Nov 5, 2021
Priority document
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Oct 14, 2021
Abstract
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Oct 14, 2021
Oct 14, 2021
Claims
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Oct 14, 2021
Description
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Oct 14, 2021
Designation of inventor
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Oct 14, 2021
Priority search results
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Oct 14, 2021
Request for grant of a European patent
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