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The patent EP3832213 was granted to Bruckbauer on Jun 15, 2022. The application was filed on Dec 18, 2018 under application number EP20217002A. 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 |
|---|---|---|---|
| ELECTROLUX ROTHENBURG FACTORY | Mar 14, 2023 | WEICKMANN & WEICKMANN PARTMBB | ADMISSIBLE |
| BERBEL ABLUFTTECHNIK | Mar 13, 2023 | SCHNEIDERS & BEHRENDT BOCHUM | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102017223828 |
| DESCRIPTION | WO2017103708 |
| OPPOSITION | CN108253481 |
| OPPOSITION | DE102013007722 |
| OPPOSITION | DE102016109136 |
| OPPOSITION | DE202009017271U |
| OPPOSITION | DE202013005303U |
| OPPOSITION | DE202016104283U |
| OPPOSITION | DE2526153 |
| OPPOSITION | EP1275428 |
| OPPOSITION | EP1296096 |
| OPPOSITION | EP2702329 |
| OPPOSITION | EP3789683 |
| OPPOSITION | JP2001245794 |
| OPPOSITION | JPH11108408 |
| OPPOSITION | US2010116263 |
| OPPOSITION | US2012111197 |
| OPPOSITION | US2013199142 |
| OPPOSITION | US2014290641 |
| OPPOSITION | US2016296870 |
| OPPOSITION | US3719137 |
| OPPOSITION | US4562827 |
| OPPOSITION | US4962694 |
| OPPOSITION | US5211159 |
| OPPOSITION | US5679122 |
| OPPOSITION | US6455818 |
| OPPOSITION | WO2005017414 |
| OPPOSITION | WO2011028729 |
| OPPOSITION | WO2017029128 |
| OPPOSITION | WO2017080781 |
| OPPOSITION | WO2017089925 |
| OPPOSITION | WO2017103708 |
| OPPOSITION | WO2017175085 |
| OPPOSITION | WO2017220707 |
| OPPOSITION | WO2017220728 |
| SEARCH | DE102011082924 |
| SEARCH | DE102016109136 |
| SEARCH | US4846146 |
| SEARCH | US4962694 |
| SEARCH | US6455818 |
| SEARCH | WO2017080781 |
| SEARCH | WO2017089925 |
| SEARCH | WO2019038632 |
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 7, 2026
Sep 15, 2025
Jul 22, 2025
Jul 21, 2025
(Electronic) Receipt
Appeal
Jul 21, 2025
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
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Appeal
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(Electronic) Receipt
Appeal
Jan 17, 2025
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Notice of appeal
Appeal
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Means of redress
OPPO
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Jun 28, 2022
May 19, 2022
Decision to grant a European patent
Search/Exam
May 4, 2022
(Electronic) Receipt
Search/Exam
May 4, 2022
English translation of the claims
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May 4, 2022
Filing of the translations of the claims
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May 4, 2022
French translation of claims
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May 4, 2022
Letter accompanying subsequently filed items
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May 3, 2022
Intention to grant (signatures)
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May 2, 2022
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Text intended for grant (clean copy)
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May 2, 2022
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(Electronic) Receipt
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Apr 6, 2022
Letter accompanying subsequently filed items
Search/Exam
Apr 6, 2022
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Intention to grant (signatures)
Search/Exam
Apr 1, 2022
Text intended for grant (clean copy)
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Apr 1, 2022
Feb 16, 2022
Annex to the communication
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Feb 16, 2022
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Feb 10, 2022
(Electronic) Receipt
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Feb 10, 2022
Amended claims with annotations
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Feb 10, 2022
Claims
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Feb 10, 2022
Examination started
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Feb 10, 2022
Letter accompanying subsequently filed items
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Feb 10, 2022
Dec 9, 2021
(Electronic) Receipt
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Dec 9, 2021
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Amended claims with annotations
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Dec 9, 2021
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Amended description with annotations
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Dec 9, 2021
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Amendments received before examination
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Dec 9, 2021
Letter accompanying subsequently filed items
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Jun 14, 2021
May 12, 2021
Notification of forthcoming publication
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Apr 20, 2021
Refund of fees
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Apr 15, 2021
Apr 15, 2021
European search opinion
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Apr 15, 2021
European search report
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Apr 15, 2021
Information on Search Strategy
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Mar 8, 2021
(Electronic) Receipt
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Mar 8, 2021
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Letter accompanying subsequently filed items
Search/Exam
Mar 8, 2021
Priority search results
Search/Exam
Feb 15, 2021
Communication to designated inventor
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Feb 15, 2021
Communication to designated inventor
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Feb 15, 2021
Communication to designated inventor
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Feb 15, 2021
Communication to designated inventor
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Feb 15, 2021
Communication to designated inventor
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Feb 15, 2021
Communication to designated inventor
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Dec 23, 2020
Abstract
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Dec 23, 2020
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Claims
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Dec 23, 2020
Description
Search/Exam
Dec 23, 2020
Designation of inventor
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Dec 23, 2020
Drawings
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Dec 23, 2020
Priority search results
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Dec 23, 2020
Request for grant of a European patent
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Dec 20, 2018
Priority document
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Dec 18, 2018
Priority search results copy provided by EPO
Search/Exam