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The patent EP3604876 was granted to Sisto Armaturen on Apr 3, 2024. The application was filed on Aug 3, 2018 under application number EP18187184A. 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 |
|---|---|---|---|
| GEMU GEBR MULLER APPARATEBAU KOMMANDITGESELLSCHAFT | Dec 9, 2021 | DREISS PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102015210204 |
| DESCRIPTION | DE102015210208 |
| DESCRIPTION | DE102015210210 |
| OPPOSITION | DE10024118 |
| OPPOSITION | DE102006039501 |
| OPPOSITION | DE102009023012 |
| OPPOSITION | DE102009052244 |
| OPPOSITION | DE102010049564 |
| OPPOSITION | DE102014205117 |
| OPPOSITION | DE102015210204 |
| OPPOSITION | DE102015210210 |
| OPPOSITION | DE102016001806 |
| OPPOSITION | DE102017131101 |
| OPPOSITION | DE19829084 |
| OPPOSITION | DE19925508 |
| OPPOSITION | DE20206914U |
| OPPOSITION | DE4446304 |
| OPPOSITION | EP0715690 |
| OPPOSITION | EP0732501 |
| OPPOSITION | EP1479910 |
| OPPOSITION | EP1694989 |
| OPPOSITION | EP2459911 |
| OPPOSITION | EP2812577 |
| OPPOSITION | EP3025077 |
| OPPOSITION | EP3604876 |
| OPPOSITION | JP2002168176 |
| OPPOSITION | KR20150008670 |
| OPPOSITION | US2008202606 |
| OPPOSITION | US2016123497 |
| OPPOSITION | US2017005406 |
| OPPOSITION | US4569634 |
| OPPOSITION | US4781535 |
| OPPOSITION | US8874383 |
| OPPOSITION | WO2005036039 |
| OPPOSITION | WO2012021412 |
| OPPOSITION | WO2017140418 |
| SEARCH | DE102015210204 |
| SEARCH | DE102015210210 |
| SEARCH | US2008202606 |
| SEARCH | US2017005406 |
| SEARCH | WO2017140418 |
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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Mar 7, 2024
Mar 7, 2024
Feb 21, 2024
Feb 21, 2024
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Dec 20, 2023
Nov 28, 2023
Refund of fees
Appeal
Nov 24, 2023
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Nov 14, 2023
Nov 10, 2023
Withdrawal of an appeal
Appeal
Sep 29, 2023
Sep 26, 2023
Sep 22, 2023
Advice of delivery
Appeal
Sep 19, 2023
Sep 19, 2023
Sep 19, 2023
Sep 11, 2023
(Electronic) Receipt
Appeal
Sep 11, 2023
Sep 11, 2023
Notice of appeal
Appeal
Aug 8, 2023
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Means of redress
OPPO
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Authorisation
OPPO
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Mar 22, 2021
Feb 11, 2021
Decision to grant a European patent
Search/Exam
Feb 2, 2021
(Electronic) Receipt
Search/Exam
Feb 2, 2021
English translation of the claims
Search/Exam
Feb 2, 2021
Filing of the translations of the claims
Search/Exam
Feb 2, 2021
French translation of claims
Search/Exam
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Intention to grant (signatures)
Search/Exam
Oct 14, 2020
Text intended for grant (clean copy)
Search/Exam
Oct 14, 2020
Sep 14, 2020
Examination started
Search/Exam
Aug 27, 2020
Aug 27, 2020
Aug 13, 2020
Aug 10, 2020
Aug 5, 2020
(Electronic) Receipt
Search/Exam
Aug 5, 2020
Aug 5, 2020
Amended claims with annotations
Search/Exam
Aug 5, 2020
Amendments received before examination
Search/Exam
Aug 5, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2020
Feb 10, 2020
Jan 9, 2020
Notification of forthcoming publication
Search/Exam
Feb 12, 2019
Feb 12, 2019
European search opinion
Search/Exam
Feb 12, 2019
European search report
Search/Exam
Feb 12, 2019
Information on Search Strategy
Search/Exam
Jan 30, 2019
Search started
Search/Exam
Sep 26, 2018
Communication to designated inventor
Search/Exam
Aug 22, 2018
Aug 17, 2018
Aug 3, 2018
Abstract
Search/Exam
Aug 3, 2018
Aug 3, 2018
Claims
Search/Exam
Aug 3, 2018
Description
Search/Exam
Aug 3, 2018
Designation of inventor
Search/Exam
Aug 3, 2018
Drawings
Search/Exam
Aug 3, 2018
Request for grant of a European patent
Search/Exam