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The patent EP3181528 was granted to Hans Hoffmann Trocken UND Lackierofenfabrik Apparatebau on Apr 10, 2019. The application was filed on Dec 17, 2015 under application number EP15200945A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| ERNST PENNEKAMP OHG | Jan 10, 2020 | BUSE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0960863 |
| EXAMINATION | WO2017093077 |
| OPPOSITION | DE202014101217U |
| OPPOSITION | DE202016008538U |
| OPPOSITION | EP0960863 |
| OPPOSITION | EP2243747 |
| OPPOSITION | GB2207650 |
| OPPOSITION | US6446788 |
| OPPOSITION | WO2014044714 |
| SEARCH | EP0960863 |
| SEARCH | EP2243747 |
| SEARCH | GB2270060 |
| SEARCH | WO2014044714 |
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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OPPO
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Apr 24, 2019
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Decision to grant a European patent
Search/Exam
Mar 4, 2019
(Electronic) Receipt
Search/Exam
Mar 4, 2019
English translation of the claims
Search/Exam
Mar 4, 2019
French translation of claims
Search/Exam
Mar 4, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 21, 2018
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Intention to grant (signatures)
Search/Exam
Nov 21, 2018
Text intended for grant (clean copy)
Search/Exam
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(Electronic) Receipt
Search/Exam
Oct 24, 2018
Amended claims with annotations
Search/Exam
Oct 24, 2018
Annex
Search/Exam
Oct 24, 2018
Claims
Search/Exam
Oct 24, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2018
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Intention to grant (signatures)
Search/Exam
Jun 29, 2018
Text intended for grant (clean copy)
Search/Exam
Jun 29, 2018
Apr 9, 2018
(Electronic) Receipt
Search/Exam
Apr 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 9, 2018
Dec 1, 2017
Annex to a communication
Search/Exam
Dec 1, 2017
Annex to the communication
Search/Exam
Dec 1, 2017
Communication from the Examining Division
Search/Exam
Nov 24, 2017
Examination started
Search/Exam
Aug 21, 2017
(Electronic) Receipt
Search/Exam
Aug 21, 2017
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Amended claims with annotations
Search/Exam
Aug 21, 2017
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Amended description with annotations
Search/Exam
Aug 21, 2017
Amendments received before examination
Search/Exam
Aug 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 26, 2017
May 24, 2017
Notification of forthcoming publication
Search/Exam
Jun 27, 2016
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European search opinion
Search/Exam
Jun 27, 2016
European search report
Search/Exam
Jun 27, 2016
Information on Search Strategy
Search/Exam
Jun 13, 2016
Search started
Search/Exam
Feb 9, 2016
Communication to designated inventor
Search/Exam
Jan 30, 2016
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Jan 19, 2016
Dec 17, 2015
Abstract
Search/Exam
Dec 17, 2015
Dec 17, 2015
Claims
Search/Exam
Dec 17, 2015
Description
Search/Exam
Dec 17, 2015
Designation of inventor
Search/Exam
Dec 17, 2015
Drawings
Search/Exam
Dec 17, 2015
Request for grant of a European patent
Search/Exam