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The patent EP4109486 was granted to Talleres Electromecnicos L Pinazo on Dec 18, 2024. The application was filed on Feb 18, 2021 under application number EP21756447A. 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 |
|---|---|---|---|
| ORMAZABAL ELECTRIC | Sep 16, 2025 | HERRERO & ASOCIADOS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | CA1074372 |
| EXAMINATION | CN112768317 |
| INTERNATIONAL-SEARCH-REPORT | ES1231820U |
| INTERNATIONAL-SEARCH-REPORT | US2002066655 |
| INTERNATIONAL-SEARCH-REPORT | US4240122 |
| INTERNATIONAL-SEARCH-REPORT | US5594610 |
| OPPOSITION | CA1074372 |
| OPPOSITION | CN112768317 |
| OPPOSITION | EP0387635 |
| OPPOSITION | EP1739701 |
| OPPOSITION | EP3555901 |
| OPPOSITION | JP4237371B |
| OPPOSITION | US10347455 |
| OPPOSITION | US2006028073 |
| OPPOSITION | US3529111 |
| OPPOSITION | US5069077 |
| OPPOSITION | US8093965 |
| OPPOSITION | WO2015060016 |
| OPPOSITION | WO2016042290 |
| OTHER | CA1074372 |
| OTHER | CN112768317 |
| OTHER | EP0387635 |
| OTHER | EP1739701 |
| OTHER | ES1243729U |
| OTHER | ES1243729Y |
| OTHER | ES202030275U |
| OTHER | US2006028073 |
| OTHER | WO2015060016 |
| OTHER | WO2020109640 |
| SEARCH | EP0387635 |
| SEARCH | EP1739701 |
| SEARCH | ES1192559U |
| SEARCH | ES1231820U |
| SEARCH | US2002066655 |
| SEARCH | US2006028073 |
| SEARCH | US4240122 |
| SEARCH | US5594610 |
| SEARCH | WO2015060016 |
| SEARCH | WO2016042290 |
| SEARCH | WO2019025438 |
| SEARCH | WO2020109640 |
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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Jan 14, 2026
Jan 12, 2026
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Sep 16, 2025
Sep 16, 2025
Jan 9, 2025
Nov 21, 2024
Decision to grant a European patent
Search/Exam
Nov 13, 2024
(Electronic) Receipt
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Nov 13, 2024
Filing of the translations of the claims
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Nov 13, 2024
French translation of claims
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Nov 13, 2024
German translation of the claims
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Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Jul 22, 2024
Intention to grant (signatures)
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Jul 22, 2024
Text intended for grant (clean copy)
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Jul 22, 2024
Jun 27, 2024
Examination started
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May 22, 2024
May 22, 2024
May 16, 2024
(Electronic) Receipt
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May 16, 2024
Citation filed by a third party
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May 16, 2024
Citation filed by a third party
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May 16, 2024
Letter accompanying subsequently filed items
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May 16, 2024
Observations by third parties
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Apr 24, 2024
(Electronic) Receipt
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Apr 24, 2024
Apr 24, 2024
Amended description with annotations
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Apr 24, 2024
Amendments received before examination
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Apr 24, 2024
Letter accompanying subsequently filed items
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Nov 16, 2023
Oct 30, 2023
Oct 30, 2023
Oct 30, 2023
Oct 30, 2023
Oct 30, 2023
Oct 30, 2023
European search opinion
Search/Exam
Oct 30, 2023
Information on Search Strategy
Search/Exam
Oct 30, 2023
Supplementary European search report
Search/Exam
Apr 26, 2023
Apr 26, 2023
Apr 21, 2023
(Electronic) Receipt
Search/Exam
Apr 21, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2023
Observations by third parties
Search/Exam
Apr 21, 2023
Patent document filed by a Third party
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Apr 21, 2023
Patent document filed by a Third party
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Apr 21, 2023
Patent document filed by a Third party
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Apr 21, 2023
Patent document filed by a Third party
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Apr 21, 2023
Patent document filed by a Third party
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Apr 21, 2023
Patent document filed by a Third party
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Apr 21, 2023
Patent document filed by a Third party
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Apr 21, 2023
Patent document filed by a Third party
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Mar 21, 2023
(Electronic) Receipt
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Mar 21, 2023
Mar 21, 2023
Amended claims with annotations
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Mar 21, 2023
Mar 21, 2023
Amended description with annotations
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Mar 21, 2023
Amendments received before examination
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Mar 21, 2023
Letter accompanying subsequently filed items
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Nov 30, 2022
Notification of forthcoming publication
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Oct 24, 2022
Sep 27, 2022
Sep 7, 2022
Sep 7, 2022
Sep 7, 2022
Sep 7, 2022
Aug 31, 2022
(Electronic) Receipt
Search/Exam
Aug 31, 2022
Abstract
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Aug 31, 2022
Claims
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Aug 31, 2022
Description
Search/Exam
Aug 31, 2022
Drawings
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Aug 31, 2022
Request for entry into the European phase
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Aug 4, 2022
Aug 4, 2022
Jul 1, 2022
Information on entry into European phase
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Jun 21, 2022
Jun 2, 2022
Jun 2, 2022
Notification of the recording of a change
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May 26, 2022
May 26, 2022
Mar 4, 2022
Feb 24, 2022
Notification of election of EPO
Search/Exam
Feb 15, 2022
Jan 4, 2022
Dec 30, 2021
Dec 16, 2021
PCT demand form
PCT2
Dec 16, 2021
Dec 16, 2021
Dec 16, 2021
Dec 16, 2021
Dec 16, 2021
Dec 16, 2021
Oct 28, 2021
Notification of the recording of a change
Search/Exam
Sep 13, 2021
Aug 26, 2021
Copy of the international search report
Search/Exam
Aug 26, 2021
Aug 26, 2021
International publication pamphlet
Search/Exam