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The patent EP3665131 was granted to Fenzi AGT Netherlands on May 3, 2023. The application was filed on Jul 16, 2018 under application number EP18745700A. 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 |
|---|---|---|---|
| VIBRANTZ | Jan 31, 2024 | GILLE HRABAL PARTNERSCHAFTSGESELLSCHAFT MBB PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2817268 |
| INTERNATIONAL-SEARCH-REPORT | WO2007024375 |
| INTERNATIONAL-SEARCH-REPORT | WO2007032977 |
| INTERNATIONAL-SEARCH-REPORT | WO2010005629 |
| OPPOSITION | EP0505892 |
| OPPOSITION | EP2817268 |
| OPPOSITION | EP2953909 |
| OPPOSITION | JPH0967139 |
| OPPOSITION | US2006172876 |
| OPPOSITION | US2012282407 |
| OPPOSITION | US2015015638 |
| OPPOSITION | US5925160 |
| OPPOSITION | WO2007024375 |
| OPPOSITION | WO2007032977 |
| OPPOSITION | WO2009147676 |
| OPPOSITION | WO2010005629 |
| OPPOSITION | WO2015071670 |
| OPPOSITION | WO2016110724 |
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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Nov 13, 2025
Nov 10, 2025
(Electronic) Receipt
Appeal
Nov 10, 2025
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Sep 8, 2025
(Electronic) Receipt
Appeal
Sep 8, 2025
Notice of appeal
Appeal
Jul 10, 2025
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Means of redress
OPPO
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May 16, 2023
Apr 6, 2023
Decision to grant a European patent
Search/Exam
Mar 21, 2023
(Electronic) Receipt
Search/Exam
Mar 21, 2023
Filing of the translations of the claims
Search/Exam
Mar 21, 2023
French translation of claims
Search/Exam
Mar 21, 2023
German translation of the claims
Search/Exam
Mar 21, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 25, 2022
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Intention to grant (signatures)
Search/Exam
Nov 25, 2022
Text intended for grant (clean copy)
Search/Exam
Nov 25, 2022
Oct 25, 2022
(Electronic) Receipt
Search/Exam
Oct 25, 2022
Amended claims with annotations
Search/Exam
Oct 25, 2022
Amended description with annotations
Search/Exam
Oct 25, 2022
Claims
Search/Exam
Oct 25, 2022
Description
Search/Exam
Oct 25, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 25, 2022
Jul 13, 2022
Annex to the communication
Search/Exam
Jul 13, 2022
Communication from the Examining Division
Search/Exam
Jul 7, 2022
Examination started
Search/Exam
Jun 7, 2022
May 30, 2022
May 18, 2022
(Electronic) Receipt
Search/Exam
May 18, 2022
Annexes in respect of a client data request
Search/Exam
May 18, 2022
Letter accompanying subsequently filed items
Search/Exam
May 18, 2022
Feb 2, 2022
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Jan 24, 2022
(Electronic) Receipt
Search/Exam
Jan 24, 2022
Authorisation
Search/Exam
Jan 24, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2022
Jan 11, 2022
Dec 2, 2021
(Electronic) Receipt
Search/Exam
Dec 2, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 2, 2021
Nov 26, 2021
Sep 24, 2021
(Electronic) Receipt
Search/Exam
Sep 24, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 24, 2021
May 20, 2020
Mar 17, 2020
Mar 13, 2020
Communication to designated inventor
Search/Exam
Mar 13, 2020
Communication to designated inventor
Search/Exam
Mar 13, 2020
Communication to designated inventor
Search/Exam
Mar 13, 2020
Communication to designated inventor
Search/Exam
Feb 26, 2020
Jan 27, 2020
Refund of fees
Search/Exam
Jan 17, 2020
Information regarding early processing
Search/Exam
Jan 14, 2020
(Electronic) Receipt
Search/Exam
Jan 14, 2020
Jan 14, 2020
Amended claims with annotations
Search/Exam
Jan 14, 2020
Amendments received before examination
Search/Exam
Jan 14, 2020
Request for entry into the European phase
Search/Exam
Dec 20, 2019
Information on entry into European phase
Search/Exam
Mar 5, 2019
Feb 14, 2019
Copy of the international search report
Search/Exam
Feb 14, 2019
Published international application - A1
Search/Exam
Nov 6, 2018
ISR: cited documents
PCTISA
Nov 2, 2018
Nov 2, 2018
Nov 2, 2018
Aug 9, 2018
Jul 20, 2018
Abstract
PCTISA
Jul 20, 2018
Claims
PCTISA
Jul 20, 2018
Description
PCTISA
Jul 20, 2018
Drawings
PCTISA
Jul 20, 2018
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