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The patent EP3730732 was granted to Grzywacz on Nov 10, 2021. The application was filed on Mar 27, 2020 under application number EP20166464A. 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 |
|---|---|---|---|
| EDUARD KRONENBERG | Aug 10, 2022 | ERNICKE PATENT UND RECHTSANWALTE PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2281994 |
| DESCRIPTION | PL205223B |
| DESCRIPTION | PL65674Y |
| OPPOSITION | DE202004004933U |
| OPPOSITION | DE202005004601U |
| OPPOSITION | DE202012102380U |
| OPPOSITION | DE202014104222U |
| OPPOSITION | DE202015105061U |
| OPPOSITION | EP0916013 |
| OPPOSITION | WO0223004 |
| OPPOSITION | WO2018162584 |
| OPPOSITION | WO9934083 |
| SEARCH | DE202004004933U |
| SEARCH | DE202012102380U |
| SEARCH | DE202014104222U |
| SEARCH | DE202015105061U |
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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Description
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Nov 23, 2021
Oct 14, 2021
Decision to grant a European patent
Search/Exam
Sep 30, 2021
(Electronic) Receipt
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Sep 30, 2021
Filing of the translations of the claims
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Sep 30, 2021
French translation of claims
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Sep 30, 2021
German translation of the claims
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Sep 30, 2021
Letter accompanying subsequently filed items
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Jul 20, 2021
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Intention to grant (signatures)
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Jul 20, 2021
Text intended for grant (clean copy)
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Jul 20, 2021
Jun 7, 2021
Examination started
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Feb 23, 2021
(Electronic) Receipt
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Feb 23, 2021
Letter accompanying subsequently filed items
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Feb 23, 2021
Reply to Written Opinion prepared by the EPO
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Nov 2, 2020
Sep 30, 2020
Sep 30, 2020
European search opinion
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Sep 30, 2020
European search report
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Sep 30, 2020
Information on Search Strategy
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Sep 30, 2020
Notification of forthcoming publication
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Sep 15, 2020
Search started
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Sep 4, 2020
(Electronic) Receipt
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Sep 4, 2020
Abstract
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Sep 4, 2020
Claims
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Sep 4, 2020
Description
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Sep 4, 2020
Letter accompanying subsequently filed items
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Jun 24, 2020
Jun 3, 2020
(Electronic) Receipt
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Jun 3, 2020
Letter accompanying subsequently filed items
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Jun 3, 2020
Matter concerning the application
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Jun 3, 2020
Matter concerning the application
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May 8, 2020
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Letter concerning the priority
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Apr 21, 2020
Priority document
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Apr 16, 2020
Mar 27, 2020
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Designation of inventor
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Mar 27, 2020
Drawings
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Mar 27, 2020
Priority search results
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Mar 27, 2020
Request for grant of a European patent
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Mar 27, 2020