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The patent EP3624077 was granted to Tridonic on Nov 1, 2023. The application was filed on Sep 17, 2018 under application number EP18194757A. 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 |
|---|---|---|---|
| SCHOPF | Aug 1, 2024 | SAMSON & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP2991452 |
| DESCRIPTION | US2015102226 |
| OPPOSITION | CN105222772 |
| OPPOSITION | DE102012100080 |
| OPPOSITION | EP1879148 |
| OPPOSITION | US2010134285 |
| OPPOSITION | US2017205289 |
| OPPOSITION | US2017254703 |
| OPPOSITION | US2017352240 |
| OPPOSITION | US6650779 |
| OPPOSITION | US8325090 |
| OPPOSITION | US8756173 |
| OPPOSITION | WO2010100586 |
| OPPOSITION | WO2013128307 |
| SEARCH | DE8705296U |
| SEARCH | US2017205289 |
| SEARCH | US2017254703 |
| SEARCH | WO2013128307 |
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 17, 2025
Nov 17, 2025
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Means of redress
OPPO
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Nov 14, 2023
Oct 6, 2023
Decision to grant a European patent
Search/Exam
Sep 12, 2023
(Electronic) Receipt
Search/Exam
Sep 12, 2023
Filing of the translations of the claims
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Sep 12, 2023
French translation of claims
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Sep 12, 2023
German translation of the claims
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Sep 12, 2023
Letter accompanying subsequently filed items
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Jul 4, 2023
Letter accompanying subsequently filed items
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Jun 27, 2023
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Intention to grant (signatures)
Search/Exam
Jun 27, 2023
Text intended for grant (clean copy)
Search/Exam
Jun 27, 2023
May 26, 2023
May 11, 2023
(Electronic) Receipt
Search/Exam
May 11, 2023
Amended claims with annotations
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May 11, 2023
Amended claims with annotations
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May 11, 2023
Claims
Search/Exam
May 11, 2023
Claims
Search/Exam
May 11, 2023
Letter accompanying subsequently filed items
Search/Exam
May 11, 2023
May 10, 2023
(Electronic) Receipt
Search/Exam
May 10, 2023
Letter accompanying subsequently filed items
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May 10, 2023
Oral proceedings: reply to date proposed
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Apr 5, 2023
(Electronic) Receipt
Search/Exam
Apr 5, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 5, 2023
Oral proceedings: reply to date proposed
Search/Exam
Dec 20, 2022
Annex to the communication
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Dec 20, 2022
Summons to attend oral proceedings
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Feb 22, 2022
(Electronic) Receipt
Search/Exam
Feb 22, 2022
Amended claims with annotations
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Feb 22, 2022
Amended description with annotations
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Feb 22, 2022
Claims
Search/Exam
Feb 22, 2022
Description
Search/Exam
Feb 22, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 22, 2022
Dec 6, 2021
Annex to the communication
Search/Exam
Dec 6, 2021
Communication from the Examining Division
Search/Exam
Nov 30, 2021
Examination started
Search/Exam
Aug 24, 2020
(Electronic) Receipt
Search/Exam
Aug 24, 2020
Aug 24, 2020
Amended claims with annotations
Search/Exam
Aug 24, 2020
Amendments received before examination
Search/Exam
Aug 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 23, 2020
Feb 19, 2020
Notification of forthcoming publication
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Mar 4, 2019
Mar 4, 2019
European search opinion
Search/Exam
Mar 4, 2019
European search report
Search/Exam
Mar 4, 2019
Information on Search Strategy
Search/Exam
Feb 20, 2019
Search started
Search/Exam
Nov 9, 2018
Communication to designated inventor
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Nov 9, 2018
Communication to designated inventor
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Nov 9, 2018
Communication to designated inventor
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Sep 17, 2018
Abstract
Search/Exam
Sep 17, 2018
Sep 17, 2018
Claims
Search/Exam
Sep 17, 2018
Description
Search/Exam
Sep 17, 2018
Designation of inventor
Search/Exam
Sep 17, 2018
Drawings
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Sep 17, 2018
Request for grant of a European patent
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