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The patent EP3153633 was granted to Amfag on Mar 18, 2020. The application was filed on Oct 6, 2016 under application number EP16192513A. 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 |
|---|---|---|---|
| NEOPERL | Dec 17, 2020 | MAUCHER JENKINS PATENT UND RECHTSANWALTE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | GB1282957 |
| DESCRIPTION | US3104827 |
| DESCRIPTION | US3298614 |
| DESCRIPTION | WO2011154063 |
| EXAMINATION | US2014053332 |
| OPPOSITION | JPS58149469 |
| OPPOSITION | SU1477858 |
| OPPOSITION | US2014053332 |
| OPPOSITION | US3298614 |
| OPPOSITION | US3827636 |
| OPPOSITION | WO2004038112 |
| OTHER | US2004053332 |
| OTHER | US2014053332 |
| OTHER | WO2004038112 |
| SEARCH | GB1282957 |
| SEARCH | US3104827 |
| SEARCH | US3298614 |
| 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.
Date
Description
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Refund of fees
Search/Exam
Sep 10, 2025
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Aug 29, 2025
(Electronic) Receipt
Appeal
Aug 29, 2025
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(Electronic) Receipt
Appeal
Aug 4, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Apr 2, 2025
Mar 27, 2025
(Electronic) Receipt
Appeal
Mar 27, 2025
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Mar 4, 2025
Feb 27, 2025
(Electronic) Receipt
Appeal
Feb 27, 2025
Feb 27, 2025
Feb 11, 2025
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Feb 6, 2025
Dec 11, 2024
Dec 5, 2024
(Electronic) Receipt
Appeal
Dec 5, 2024
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Mar 19, 2024
Mar 12, 2024
(Electronic) Receipt
Appeal
Mar 12, 2024
Mar 12, 2024
Mar 3, 2024
Dec 13, 2023
Dec 8, 2023
(Electronic) Receipt
Appeal
Dec 8, 2023
Dec 8, 2023
Reply to appeal
Appeal
Jul 31, 2023
Jul 26, 2023
(Electronic) Receipt
Appeal
Jul 26, 2023
Jul 26, 2023
Jun 15, 2023
Jun 8, 2023
(Electronic) Receipt
Appeal
Jun 8, 2023
Jun 8, 2023
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Jun 6, 2023
Jun 1, 2023
May 29, 2023
(Electronic) Receipt
Appeal
May 29, 2023
May 29, 2023
Notice of appeal
Appeal
May 25, 2023
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Apr 19, 2023
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Apr 19, 2023
Apr 3, 2023
Mar 29, 2023
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Means of redress
OPPO
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Description
OPPO
May 19, 2022
Description
OPPO
May 19, 2022
Description
OPPO
May 19, 2022
Description
OPPO
May 19, 2022
Description
OPPO
May 19, 2022
Description
OPPO
May 19, 2022
Description
OPPO
May 19, 2022
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Document concerning representation
Search/Exam
Dec 23, 2020
Dec 17, 2020
Dec 17, 2020
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Mar 30, 2020
Feb 20, 2020
Decision to grant a European patent
Search/Exam
Feb 11, 2020
(Electronic) Receipt
Search/Exam
Feb 11, 2020
Filing of the translations of the claims
Search/Exam
Feb 11, 2020
French translation of claims
Search/Exam
Feb 11, 2020
German translation of the claims
Search/Exam
Feb 11, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 11, 2019
Nov 11, 2019
Nov 11, 2019
Intention to grant (signatures)
Search/Exam
Nov 11, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 11, 2019
Oct 7, 2019
Oct 7, 2019
Sep 30, 2019
(Electronic) Receipt
Search/Exam
Sep 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 30, 2019
Observations by third parties
Search/Exam
Sep 30, 2019
Sep 30, 2019
Sep 25, 2019
Examination started
Search/Exam
Oct 12, 2017
(Electronic) Receipt
Search/Exam
Oct 12, 2017
Oct 12, 2017
Oct 12, 2017
Amended claims with annotations
Search/Exam
Oct 12, 2017
Amended claims with annotations
Search/Exam
Oct 12, 2017
Amendments received before examination
Search/Exam
Oct 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 12, 2017
Matter concerning the application
Search/Exam
Apr 19, 2017
Mar 29, 2017
Refund of fees
Search/Exam
Mar 15, 2017
Notification of forthcoming publication
Search/Exam
Mar 8, 2017
Mar 8, 2017
European search opinion
Search/Exam
Mar 8, 2017
European search report
Search/Exam
Mar 8, 2017
Information on Search Strategy
Search/Exam
Mar 3, 2017
Priority search results copy provided by EPO
Search/Exam
Feb 27, 2017
Search started
Search/Exam
Jan 2, 2017
Communication to designated inventor
Search/Exam
Nov 23, 2016
Letter concerning the priority
Search/Exam
Nov 23, 2016
Priority document
Search/Exam
Oct 6, 2016
Abstract
Search/Exam
Oct 6, 2016
Oct 6, 2016
Claims
Search/Exam
Oct 6, 2016
Description
Search/Exam
Oct 6, 2016
Designation of inventor
Search/Exam
Oct 6, 2016
Drawings
Search/Exam
Oct 6, 2016
Request for grant of a European patent
Search/Exam
Oct 6, 2016