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The patent EP3437954 was granted to Gifas Electric Gesellschaft on Jun 17, 2020. The application was filed on Jul 6, 2018 under application number EP18182125A. 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 |
|---|---|---|---|
| PANDROL VORTOK | Mar 17, 2021 | HASELTINE LAKE KEMPNER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102010020419 |
| OPPOSITION | DE102010020421 |
| OPPOSITION | DE202007004297U |
| OPPOSITION | EP2481851 |
| OPPOSITION | EP2828137 |
| OPPOSITION | EP2842828 |
| OPPOSITION | KR20120127126 |
| OPPOSITION | KR20130093315 |
| OPPOSITION | KR20140072317 |
| SEARCH | DE102010020421 |
| SEARCH | DE202007004297U |
| SEARCH | KR20120127126 |
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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Refund of fees
Search/Exam
May 25, 2020
Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
Apr 27, 2020
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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Letter accompanying subsequently filed items
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Text intended for grant (clean copy)
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Examination started
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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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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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European search opinion
Search/Exam
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European search report
Search/Exam
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Information on Search Strategy
Search/Exam
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Search started
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Communication to designated inventor
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Letter concerning the priority
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Priority document
Search/Exam
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Abstract
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Claims
Search/Exam
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Description
Search/Exam
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Jul 6, 2018
Request for grant of a European patent
Search/Exam