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The patent EP3298938 was granted to Franz Kaldewei on Jun 26, 2019. The application was originally filed on Jul 19, 2017 under application number EP17182004A. The patent is currently recorded with a legal status of "Opposition Rejected".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP2343000 |
| SEARCH | DE102006007471 |
| SEARCH | DE102012102929 |
| SEARCH | DE69904471T |
| SEARCH | EP2060377 |
| SEARCH | EP2425755 |
| SEARCH | WO2007086734 |
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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Jun 7, 2022
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Jul 8, 2019
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Decision to grant a European patent
Search/Exam
May 15, 2019
(Electronic) Receipt
Search/Exam
May 15, 2019
English translation of the claims
Search/Exam
May 15, 2019
Filing of the translations of the claims
Search/Exam
May 15, 2019
French translation of claims
Search/Exam
May 15, 2019
Letter accompanying subsequently filed items
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Mar 29, 2019
Submission concerning representation
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Mar 28, 2019
(Electronic) Receipt
Search/Exam
Mar 28, 2019
Letter accompanying subsequently filed items
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Jan 31, 2019
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Intention to grant (signatures)
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Jan 31, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 31, 2019
Jan 14, 2019
Examination started
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Sep 27, 2018
(Electronic) Receipt
Search/Exam
Sep 27, 2018
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Amended claims with annotations
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Sep 27, 2018
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Amended description with annotations
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Sep 27, 2018
Amendments received before examination
Search/Exam
Sep 27, 2018
Letter accompanying subsequently filed items
Search/Exam
May 11, 2018
(Electronic) Receipt
Search/Exam
May 11, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 4, 2018
Feb 28, 2018
Notification of forthcoming publication
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Jan 16, 2018
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European search opinion
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Jan 16, 2018
European search report
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Jan 16, 2018
Information on Search Strategy
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Jan 9, 2018
Search started
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Sep 7, 2017
Deficiency in designation of inventor
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Aug 7, 2017
Letter concerning the priority
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Aug 7, 2017
Priority document
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Jul 19, 2017
Abstract
Search/Exam
Jul 19, 2017
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Claims
Search/Exam
Jul 19, 2017
Description
Search/Exam
Jul 19, 2017
Drawings
Search/Exam
Jul 19, 2017
Priority search results
Search/Exam
Jul 19, 2017
Request for grant of a European patent
Search/Exam