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The patent EP3037592 was granted to Amfag on Nov 2, 2022. The application was filed on Dec 14, 2015 under application number EP15199738A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| NEOPERL | Dec 19, 2019 | MAUCHER JENKINS PATENT UND RECHTSANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0631020 |
| DESCRIPTION | EP2154299 |
| DESCRIPTION | WO2011154063 |
| OPPOSITION | CN201034220Y |
| OPPOSITION | CN201443096U |
| OPPOSITION | DE1104367S |
| OPPOSITION | DE1927632 |
| OPPOSITION | DE9410918U |
| OPPOSITION | JP2009133146 |
| OPPOSITION | US3298614 |
| OPPOSITION | US3827636 |
| SEARCH | EP2154299 |
| SEARCH | GB2109507 |
| SEARCH | GB2505257 |
| SEARCH | US2009263184 |
| SEARCH | WO2011154063 |
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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Decision to grant a European patent
Search/Exam
Feb 4, 2019
(Electronic) Receipt
Search/Exam
Feb 4, 2019
Filing of the translations of the claims
Search/Exam
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French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
Feb 4, 2019
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Oct 4, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 4, 2018
Jul 12, 2018
Examination started
Search/Exam
Mar 20, 2018
Mar 15, 2018
(Electronic) Receipt
Search/Exam
Mar 15, 2018
Enquiry as to the processing of the file
Search/Exam
Mar 15, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 19, 2016
(Electronic) Receipt
Search/Exam
Dec 19, 2016
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Amended claims with annotations
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Dec 19, 2016
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Amended description with annotations
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Dec 19, 2016
Amendments received before examination
Search/Exam
Dec 19, 2016
Letter accompanying subsequently filed items
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Dec 19, 2016
Written request for examination
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Jul 4, 2016
Jun 1, 2016
Notification of forthcoming publication
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May 25, 2016
Refund of fees
Search/Exam
May 20, 2016
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European search opinion
Search/Exam
May 20, 2016
European search report
Search/Exam
May 20, 2016
Information on Search Strategy
Search/Exam
May 14, 2016
Priority search results copy provided by EPO
Search/Exam
May 12, 2016
Search started
Search/Exam
Mar 4, 2016
Communication to designated inventor
Search/Exam
Feb 12, 2016
Letter concerning the priority
Search/Exam
Feb 12, 2016
Priority document
Search/Exam
Dec 14, 2015
Abstract
Search/Exam
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Claims
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Dec 14, 2015
Description
Search/Exam
Dec 14, 2015
Designation of inventor
Search/Exam
Dec 14, 2015
Drawings
Search/Exam
Dec 14, 2015
Request for grant of a European patent
Search/Exam