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The patent EP3569336 was granted to Ghring on Aug 31, 2022. The application was filed on Apr 8, 2019 under application number EP19167911A. 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 |
|---|---|---|---|
| MAPAL DR KRESS | May 30, 2023 | KORDEL | ADMISSIBLE |
| MAPAL FABRIK FUR PRAZISIONSWERKZEUGE DR KRESS | May 30, 2023 | KORDEL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN107020410 |
| OPPOSITION | DE102007007399 |
| OPPOSITION | DE102014208130 |
| OPPOSITION | DE102015112631 |
| OPPOSITION | DE19852588 |
| OPPOSITION | EP0186067 |
| OPPOSITION | EP1364735 |
| OPPOSITION | EP3135716 |
| OPPOSITION | EP3566802 |
| OPPOSITION | JP2000246519 |
| OPPOSITION | US2005047883 |
| OPPOSITION | US2011188954 |
| OPPOSITION | US2016074948 |
| OPPOSITION | US5605420 |
| OPPOSITION | WO2005025793 |
| OPPOSITION | WO2017177990 |
| SEARCH | DE102017118604 |
| SEARCH | DE10305991 |
| SEARCH | JPS58206305 |
| SEARCH | US2005047883 |
| SEARCH | US2010183382 |
| SEARCH | US2011188954 |
| SEARCH | US2014161543 |
| SEARCH | US2015190867 |
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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Refund of fees
Search/Exam
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(Electronic) Receipt
Appeal
Aug 27, 2025
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
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OPPO
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
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Jul 20, 2022
English translation of the claims
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Jul 20, 2022
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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Intention to grant (signatures)
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Mar 25, 2022
Text intended for grant (clean copy)
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Mar 9, 2022
Examination started
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Feb 23, 2021
Document concerning representation
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Jun 15, 2020
(Electronic) Receipt
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Jun 15, 2020
Letter accompanying subsequently filed items
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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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May 20, 2020
Amendments received before examination
Search/Exam
May 20, 2020
Letter accompanying subsequently filed items
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Nov 25, 2019
Oct 23, 2019
Notification of forthcoming publication
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Oct 18, 2019
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European search opinion
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Oct 18, 2019
European search report
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Oct 18, 2019
Information on Search Strategy
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Sep 19, 2019
Search started
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Jun 3, 2019
Communication to designated inventor
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Communication to designated inventor
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May 2, 2019
Letter concerning the priority
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Priority document
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Priority document
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Apr 8, 2019
Abstract
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Claims
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Apr 8, 2019
Description
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Apr 8, 2019
Designation of inventor
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Apr 8, 2019
Drawings
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Apr 8, 2019
Priority search results
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Apr 8, 2019
Request for grant of a European patent
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