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The patent EP3569757 was granted to BSH Hausgerte on Sep 3, 2025. The application was filed on Apr 18, 2019 under application number EP19170200A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| REHAU INDUSTRIES | May 3, 2023 | GRUNECKER PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | CN201310149976 |
| EXAMINATION | KR20120136138 |
| EXAMINATION | US2002184828 |
| OPPOSITION | CN104121364 |
| OPPOSITION | DE202005014971U |
| OPPOSITION | DE202007012848U |
| OPPOSITION | DE29511425U |
| OPPOSITION | EP0319087 |
| OPPOSITION | EP2515059 |
| OPPOSITION | EP2829827 |
| OPPOSITION | EP3502602 |
| OPPOSITION | KR20120136138 |
| OPPOSITION | US2002184828 |
| OPPOSITION | US5916076 |
| OPPOSITION | US6227634 |
| OPPOSITION | WO03052334 |
| OPPOSITION | WO2014086071 |
| OPPOSITION | WO2017108189 |
| OPPOSITION | WO2017108190 |
| SEARCH | EP2515059 |
| SEARCH | EP2829827 |
| SEARCH | WO03052334 |
| SEARCH | WO2014086071 |
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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Decision to grant a European patent
Search/Exam
Jun 21, 2022
(Electronic) Receipt
Search/Exam
Jun 21, 2022
English translation of the claims
Search/Exam
Jun 21, 2022
French translation of claims
Search/Exam
Jun 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 17, 2022
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Intention to grant (signatures)
Search/Exam
Mar 17, 2022
Text intended for grant (clean copy)
Search/Exam
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(Electronic) Receipt
Search/Exam
May 17, 2021
Amended claims with annotations
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May 17, 2021
Amended description with annotations
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May 17, 2021
Claims
Search/Exam
May 17, 2021
Description
Search/Exam
May 17, 2021
Letter accompanying subsequently filed items
Search/Exam
May 17, 2021
Mar 26, 2021
Annex to the communication
Search/Exam
Mar 26, 2021
Communication from the Examining Division
Search/Exam
Mar 18, 2021
Examination started
Search/Exam
Jun 16, 2020
(Electronic) Receipt
Search/Exam
Jun 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 16, 2020
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Amended claims with annotations
Search/Exam
Mar 2, 2020
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Amended description with annotations
Search/Exam
Mar 2, 2020
Amendments received before examination
Search/Exam
Nov 25, 2019
Oct 23, 2019
Notification of forthcoming publication
Search/Exam
Sep 20, 2019
Sep 20, 2019
European search opinion
Search/Exam
Sep 20, 2019
European search report
Search/Exam
Sep 20, 2019
Information on Search Strategy
Search/Exam
Sep 11, 2019
Search started
Search/Exam
Jul 12, 2019
Communication to designated inventor
Search/Exam
Jul 12, 2019
Communication to designated inventor
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Jul 12, 2019
Communication to designated inventor
Search/Exam
Apr 26, 2019
Letter concerning the priority
Search/Exam
Apr 26, 2019
Priority document
Search/Exam
Apr 18, 2019
Abstract
Search/Exam
Apr 18, 2019
Apr 18, 2019
Claims
Search/Exam
Apr 18, 2019
Description
Search/Exam
Apr 18, 2019
Designation of inventor
Search/Exam
Apr 18, 2019
Drawings
Search/Exam
Apr 18, 2019
Request for grant of a European patent
Search/Exam