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The patent EP3282081 was granted to MHZ Hachtel on Dec 9, 2020. The application was filed on Jul 12, 2017 under application number EP17180881A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| HEROAL JOHANN HENKENJOHANN | Sep 9, 2021 | COHAUSZ & FLORACK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE202005000627U |
| DESCRIPTION | DE29615872U |
| OPPOSITION | DE19946405 |
| OPPOSITION | DE3643233 |
| OPPOSITION | EP0511956 |
| OPPOSITION | GB2423328 |
| OPPOSITION | KR101170280B |
| OPPOSITION | KR101219091B |
| OPPOSITION | KR200256835Y |
| SEARCH | DE202005000627U |
| SEARCH | GB2423328 |
| SEARCH | KR101219091B |
| SEARCH | US2015096695 |
| SEARCH | US8496039 |
| SEARCH | WO2009137327 |
| SEARCH | WO9727378 |
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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Dec 22, 2025
Dec 22, 2025
Dec 19, 2025
(Electronic) Receipt
Appeal
Dec 19, 2025
Dec 19, 2025
Sep 15, 2025
Jul 25, 2025
OP Summons VICO (R)
Appeal
Jul 24, 2025
Order - OP Summons (R)
Appeal
Jul 14, 2025
Jul 14, 2025
Jul 9, 2025
Jul 1, 2025
(Electronic) Receipt
Appeal
Jul 1, 2025
Jul 1, 2025
May 2, 2025
May 2, 2025
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Apr 3, 2025
(Electronic) Receipt
Appeal
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Mar 19, 2025
Mar 17, 2025
(Electronic) Receipt
Appeal
Mar 17, 2025
Mar 17, 2025
Mar 11, 2025
Mar 10, 2025
(Electronic) Receipt
Appeal
Mar 10, 2025
Mar 10, 2025
Mar 10, 2025
Feb 21, 2025
Feb 20, 2025
(Electronic) Receipt
Appeal
Feb 20, 2025
Feb 20, 2025
Feb 10, 2025
Feb 7, 2025
(Electronic) Receipt
Appeal
Feb 7, 2025
Feb 7, 2025
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Jan 23, 2025
Jan 23, 2025
Nov 27, 2024
Nov 27, 2024
Nov 22, 2024
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Nov 20, 2024
Nov 12, 2024
(Electronic) Receipt
Appeal
Nov 12, 2024
(Electronic) Receipt
Appeal
Nov 12, 2024
Nov 12, 2024
Nov 12, 2024
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Nov 12, 2024
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Sep 20, 2024
Jul 10, 2024
Jul 1, 2024
(Electronic) Receipt
Appeal
Jul 1, 2024
Jul 1, 2024
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Jul 1, 2024
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Jul 1, 2024
Jul 1, 2024
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Jul 1, 2024
Jul 1, 2024
Reply to appeal
Appeal
Mar 6, 2024
Feb 27, 2024
(Electronic) Receipt
Appeal
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
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Feb 27, 2024
Feb 27, 2024
Dec 6, 2023
Dec 6, 2023
Nov 29, 2023
(Electronic) Receipt
Appeal
Nov 29, 2023
Nov 29, 2023
Notice of appeal
Appeal
Oct 19, 2023
Oct 18, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
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Oct 17, 2023
Means of redress
OPPO
Oct 17, 2023
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Sep 9, 2021
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Sep 9, 2021
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Sep 9, 2021
Dec 21, 2020
Nov 12, 2020
Decision to grant a European patent
Search/Exam
Oct 28, 2020
(Electronic) Receipt
Search/Exam
Oct 28, 2020
English translation of the claims
Search/Exam
Oct 28, 2020
French translation of claims
Search/Exam
Oct 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 5, 2020
Aug 5, 2020
Aug 5, 2020
Aug 5, 2020
Intention to grant (signatures)
Search/Exam
Aug 5, 2020
Text intended for grant (clean copy)
Search/Exam
Aug 5, 2020
Jul 21, 2020
Examination started
Search/Exam
Jan 29, 2020
Jan 16, 2020
(Electronic) Receipt
Search/Exam
Jan 16, 2020
Enquiry as to the processing of the file
Search/Exam
Jan 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2018
Priority search results
Search/Exam
Mar 23, 2018
Mar 19, 2018
Priority search results
Search/Exam
Mar 19, 2018
Mar 13, 2018
Mar 2, 2018
Mar 2, 2018
Amended claims with annotations
Search/Exam
Mar 2, 2018
Mar 2, 2018
Amended description with annotations
Search/Exam
Mar 2, 2018
Amendments received before examination
Search/Exam
Feb 28, 2018
Feb 28, 2018
Amended claims with annotations
Search/Exam
Feb 28, 2018
Feb 28, 2018
Amended description with annotations
Search/Exam
Feb 28, 2018
Amendments received before examination
Search/Exam
Feb 19, 2018
Jan 17, 2018
Notification of forthcoming publication
Search/Exam
Nov 2, 2017
Nov 2, 2017
European search opinion
Search/Exam
Nov 2, 2017
European search report
Search/Exam
Nov 2, 2017
Information on Search Strategy
Search/Exam
Oct 17, 2017
Search started
Search/Exam
Sep 25, 2017
Communication to designated inventor
Search/Exam
Sep 25, 2017
Communication to designated inventor
Search/Exam
Aug 4, 2017
Payment of fees and costs
Search/Exam
Aug 2, 2017
Payment of fees and costs
Search/Exam
Aug 2, 2017
Payment of fees and costs
Search/Exam
Jul 28, 2017
Letter concerning the priority
Search/Exam
Jul 28, 2017
Priority document
Search/Exam
Jul 12, 2017
Abstract
Search/Exam
Jul 12, 2017
Jul 12, 2017
Claims
Search/Exam
Jul 12, 2017
Description
Search/Exam
Jul 12, 2017
Designation of inventor
Search/Exam
Jul 12, 2017
Drawings
Search/Exam
Jul 12, 2017
Request for grant of a European patent
Search/Exam