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The patent EP3280857 was granted to Kiekert on May 4, 2022. The application was filed on Apr 6, 2016 under application number EP16717092A. 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 |
|---|---|---|---|
| MAGNA CLOSURES | Feb 6, 2023 | GRUNECKER PATENT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | DE20111158U |
| EXAMINATION | DE20317708U |
| OPPOSITION | CN202202653U |
| OPPOSITION | DE102010063868 |
| OPPOSITION | DE20111158U |
| OPPOSITION | DE202010007352U |
| OPPOSITION | DE202010007353U |
| OPPOSITION | DE20317708U |
| OPPOSITION | EP1771052 |
| OPPOSITION | EP2663424 |
| OPPOSITION | FR2852347 |
| OPPOSITION | FR2959767 |
| OPPOSITION | GB2489377 |
| OPPOSITION | JP4563720B |
| OPPOSITION | JP5569487B |
| OPPOSITION | JP6251011B |
| OPPOSITION | US4913477 |
| OPPOSITION | WO2014021162 |
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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May 17, 2022
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Decision to grant a European patent
Search/Exam
Mar 10, 2022
(Electronic) Receipt
Search/Exam
Mar 10, 2022
English translation of the claims
Search/Exam
Mar 10, 2022
Filing of the translations of the claims
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Mar 10, 2022
French translation of claims
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Mar 10, 2022
Letter accompanying subsequently filed items
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Feb 17, 2022
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Intention to grant (signatures)
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Feb 17, 2022
Text intended for grant (clean copy)
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Feb 17, 2022
Aug 27, 2021
Amended claims with annotations
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Aug 27, 2021
Claims
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Amended claims with annotations
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Claims
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Annex to the communication
Search/Exam
Apr 23, 2021
Communication from the Examining Division
Search/Exam
Apr 9, 2021
Examination started
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Sep 19, 2018
Priority search results
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Sep 19, 2018
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Priority search results
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Communication to designated inventor
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Oct 24, 2017
Sep 27, 2017
(Electronic) Receipt
Search/Exam
Sep 27, 2017
Request for entry into the European phase
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Aug 18, 2017
Information on entry into European phase
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Oct 31, 2016
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Copy of the international search report
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Oct 13, 2016
Published international application - A1
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Jul 1, 2016
ISR: cited documents
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Abstract
PCTISA
Apr 19, 2016
Claims
PCTISA
Apr 19, 2016
Description
PCTISA
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Drawings
PCTISA
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