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The patent EP3855077 was granted to Bruckbauer on Jun 5, 2024. The application was filed on Jan 22, 2021 under application number EP21152912A. 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 |
|---|---|---|---|
| BERBEL ABLUFTTECHNIK | Jan 24, 2025 | SCHNEIDERS & BEHRENDT BOCHUM | ADMISSIBLE |
| ELECTROLUX ROTHENBURG FACTORY | Jan 23, 2025 | WEICKMANN & WEICKMANN PARTMBB | ADMISSIBLE |
| MIELE & CIE | Oct 1, 2024 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE202013005303U |
| DESCRIPTION | WO2012146237 |
| DESCRIPTION | WO2019068421 |
| OPPOSITION | DE102011018962 |
| OPPOSITION | DE102013007722 |
| OPPOSITION | DE102015103034 |
| OPPOSITION | DE102016123418 |
| OPPOSITION | DE102016211207 |
| OPPOSITION | DE102019100046 |
| OPPOSITION | DE202019106084U |
| OPPOSITION | DE202020101115U |
| OPPOSITION | EP3380791 |
| OPPOSITION | EP3457033 |
| OPPOSITION | EP3492819 |
| OPPOSITION | EP3511633 |
| OPPOSITION | EP3855077 |
| OPPOSITION | US2674991 |
| OPPOSITION | WO2012146237 |
| OPPOSITION | WO2015112102 |
| OPPOSITION | WO2018036799 |
| SEARCH | DE102016123418 |
| SEARCH | DE202019106084U |
| SEARCH | EP3492819 |
| SEARCH | US2674991 |
| SEARCH | WO2015112102 |
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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Annexes in respect of a client data request
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Apr 19, 2024
Letter accompanying subsequently filed items
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Apr 19, 2024
Mar 28, 2024
Decision to grant a European patent
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Mar 18, 2024
(Electronic) Receipt
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Mar 18, 2024
English translation of the claims
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Mar 18, 2024
Filing of the translations of the claims
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Mar 18, 2024
French translation of claims
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Mar 18, 2024
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Feb 29, 2024
Letter accompanying subsequently filed items
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Feb 29, 2024
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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(Electronic) Receipt
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Nov 3, 2023
Amended claims with annotations
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Nov 3, 2023
Claims
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Nov 3, 2023
Letter accompanying subsequently filed items
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Nov 3, 2023
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(Electronic) Receipt
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Oct 26, 2023
Amended claims with annotations
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Advice of delivery
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Jun 30, 2023
Acknowledgement of a document
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Jun 30, 2023
Annex to the communication
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Jun 30, 2023
Summons to attend oral proceedings
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(Electronic) Receipt
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Amended claims with annotations
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Claims
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Letter accompanying subsequently filed items
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Annex to the communication
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Communication from the Examining Division
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Mar 29, 2022
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Mar 29, 2022
Letter accompanying subsequently filed items
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Oct 18, 2021
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European search opinion
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Sep 13, 2021
European search report
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Sep 13, 2021
Information on Search Strategy
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Jun 30, 2021
Notification of forthcoming publication
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Jun 11, 2021
Jun 11, 2021
Information on Search Strategy
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Jun 11, 2021
Partial European search report
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Jun 11, 2021
Mar 17, 2021
Communication to designated inventor
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Letter concerning the priority
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Feb 2, 2021
Priority document
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Abstract
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Claims
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Description
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Designation of inventor
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Drawings
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Request for grant of a European patent
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