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The patent EP3296500 was granted to Hrmann Brockhagen on Oct 24, 2018. The application was filed on Jun 13, 2013 under application number EP17196364A. 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 |
|---|---|---|---|
| ALPHA DEUREN | Jul 24, 2019 | PUSCHMANN BORCHERT KAISER KLETTNER PATENTANWALTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | AT11699U |
| OPPOSITION | DE10006765 |
| OPPOSITION | DE10100008 |
| OPPOSITION | DE102005026026 |
| OPPOSITION | DE102005055152 |
| OPPOSITION | DE20004943U |
| OPPOSITION | EP1876317 |
| OPPOSITION | EP2224082 |
| OPPOSITION | GB372919 |
| OPPOSITION | US4518182 |
| OPPOSITION | US5829197 |
| OPPOSITION | US6131337 |
| OPPOSITION | US6168216 |
| SEARCH | AT11699U |
| SEARCH | EP1876317 |
| SEARCH | GB372919 |
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
Search/Exam
Sep 7, 2018
(Electronic) Receipt
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Sep 7, 2018
English translation of the claims
Search/Exam
Sep 7, 2018
Filing of the translations of the claims
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Sep 7, 2018
French translation of claims
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Sep 7, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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Aug 30, 2018
Text intended for grant (clean copy)
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Aug 30, 2018
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Examination started
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Jun 26, 2018
(Electronic) Receipt
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Jun 26, 2018
Letter accompanying subsequently filed items
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Apr 27, 2018
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Mar 26, 2018
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(Electronic) Receipt
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Amended claims with annotations
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Amended description with annotations
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Amended description with annotations
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Letter accompanying subsequently filed items
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Feb 21, 2018
Notification of forthcoming publication
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Refund of fees
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European search opinion
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European search report
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Jan 26, 2018
Information on Search Strategy
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Search started
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Communication to designated inventor
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Abstract
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Claims
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Oct 13, 2017
Description
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Oct 13, 2017
Designation of inventor
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Drawings
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Request for grant of a European patent
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Jul 4, 2013
Priority document
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