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The patent EP3604874 was granted to Sisto Armaturen on Feb 17, 2021. The application was filed on Jul 25, 2019 under application number EP19188254A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 | Jun 17, 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 | DE102013214304 |
| DESCRIPTION | DE102015210208 |
| DESCRIPTION | EP2242004 |
| DESCRIPTION | WO2012035291 |
| OPPOSITION | DE102006010736 |
| OPPOSITION | DE102006061798 |
| OPPOSITION | DE102008040729 |
| OPPOSITION | DE102013214304 |
| OPPOSITION | DE102014205117 |
| OPPOSITION | DE102015210204 |
| OPPOSITION | DE102015210210 |
| OPPOSITION | DE102017128229 |
| OPPOSITION | EP1522957 |
| OPPOSITION | EP1870262 |
| OPPOSITION | EP1930845 |
| OPPOSITION | EP2218059 |
| OPPOSITION | EP2242004 |
| OPPOSITION | EP2474941 |
| OPPOSITION | EP2717197 |
| OPPOSITION | EP3382238 |
| OPPOSITION | EP3388143 |
| OPPOSITION | JP2010176453 |
| OPPOSITION | US2004066296 |
| OPPOSITION | US2012097284 |
| OPPOSITION | US2013213144 |
| OPPOSITION | US2015083247 |
| OPPOSITION | US4781535 |
| OPPOSITION | US5500065 |
| OPPOSITION | US6788192 |
| OPPOSITION | US6886246 |
| SEARCH | US2018142806 |
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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Decision to grant a European patent
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Jan 6, 2021
(Electronic) Receipt
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Jan 6, 2021
English translation of the claims
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Filing of the translations of the claims
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French translation of claims
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Intention to grant (signatures)
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Sep 17, 2020
Text intended for grant (clean copy)
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(Electronic) Receipt
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Amended claims with annotations
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Aug 5, 2020
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Aug 5, 2020
Letter accompanying subsequently filed items
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Notification of forthcoming publication
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European search opinion
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European search report
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Dec 13, 2019
Information on Search Strategy
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Modified abstract
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Dec 5, 2019
Search started
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Sep 17, 2019
Communication to designated inventor
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Sep 11, 2019
Matter concerning the application
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Sep 2, 2019
Letter concerning the priority
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Sep 2, 2019
Priority document
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Abstract
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Claims
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Jul 25, 2019
Description
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Designation of inventor
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Drawings
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Jul 25, 2019
Priority search results
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Jul 25, 2019
Request for grant of a European patent
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