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The patent EP3960539 was granted to Niesmannbischoff on Nov 27, 2024. The application was filed on Aug 27, 2021 under application number EP21193615A. 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 |
|---|---|---|---|
| AGUTI PRODUKTENTWICKLUNG & DESIGN | Aug 14, 2025 | RAVENSPAT | ADMISSIBLE |
| ERNICKE | Aug 13, 2025 | ERNICKE PATENT UND RECHTSANWALTE PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | GB2531167 |
| OPPOSITION | DE102004049221 |
| OPPOSITION | DE102017117046 |
| OPPOSITION | DE102017124846 |
| OPPOSITION | DE19544014 |
| OPPOSITION | DE202005004788U |
| OPPOSITION | DE202006013033U |
| OPPOSITION | DE2549710 |
| OPPOSITION | DE2607192 |
| OPPOSITION | DE3235821 |
| OPPOSITION | DE3341706 |
| OPPOSITION | DE3534120 |
| OPPOSITION | DE4200476 |
| OPPOSITION | DE4429245 |
| OPPOSITION | DE4442813 |
| OPPOSITION | EP3434510 |
| OPPOSITION | FR2815912 |
| OPPOSITION | FR2982544 |
| SEARCH | DE202006013033U |
| SEARCH | DE202020101901U |
| SEARCH | EP2578441 |
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
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Dec 10, 2024
Oct 31, 2024
Decision to grant a European patent
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Oct 21, 2024
(Electronic) Receipt
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Oct 21, 2024
English translation of the claims
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Oct 21, 2024
Filing of the translations of the claims
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Oct 21, 2024
French translation of claims
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Oct 21, 2024
Letter accompanying subsequently filed items
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Jun 21, 2024
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Intention to grant (signatures)
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Jun 21, 2024
Text intended for grant (clean copy)
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Jun 21, 2024
Feb 20, 2024
Annexes in respect of a client data request
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Jan 2, 2024
(Electronic) Receipt
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Jan 2, 2024
(Electronic) Receipt
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Jan 2, 2024
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Dec 21, 2023
(Electronic) Receipt
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Dec 21, 2023
Amended claims with annotations
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Dec 21, 2023
Claims
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Dec 21, 2023
Letter accompanying subsequently filed items
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Dec 21, 2023
Oct 5, 2023
Aug 18, 2023
Annex to the communication
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Aug 18, 2023
Communication from the Examining Division
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Jun 7, 2023
Examination started
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Apr 18, 2023
(Electronic) Receipt
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Apr 18, 2023
Letter accompanying subsequently filed items
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Apr 18, 2023
Feb 24, 2023
Feb 22, 2023
Jan 5, 2023
Sep 16, 2022
Refund of fees
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Sep 16, 2022
Refund of fees
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Sep 2, 2022
(Electronic) Receipt
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Sep 2, 2022
Sep 2, 2022
Amended claims with annotations
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Sep 2, 2022
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Amended description with annotations
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Sep 2, 2022
Amendments received before examination
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Sep 2, 2022
Letter accompanying subsequently filed items
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Mar 7, 2022
Feb 2, 2022
Notification of forthcoming publication
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Jan 24, 2022
Jan 24, 2022
European search opinion
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Jan 24, 2022
European search report
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Jan 24, 2022
Information on Search Strategy
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Jan 12, 2022
Search started
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Dec 30, 2021
(Electronic) Receipt
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Dec 30, 2021
Designation of inventor
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Dec 30, 2021
Letter accompanying subsequently filed items
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Dec 30, 2021
Letter concerning the priority
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Dec 30, 2021
Priority document
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Dec 17, 2021
Deficiency in designation of inventor
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Dec 17, 2021
Request for further processing allowed
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Dec 8, 2021
(Electronic) Receipt
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Dec 8, 2021
Drawings
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Dec 8, 2021
Letter accompanying subsequently filed items
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Oct 19, 2021
Aug 27, 2021
Abstract
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Aug 27, 2021
Aug 27, 2021
Claims
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Aug 27, 2021
Description
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Aug 27, 2021
Drawings
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Aug 27, 2021
Request for grant of a European patent
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