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The patent EP3470730 was granted to ZG Lighting France on Jan 25, 2023. The application was filed on Oct 10, 2017 under application number EP17195682A. 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 | Oct 25, 2023 | 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 | DE4431750 |
| DESCRIPTION | EP2233826 |
| DESCRIPTION | US6250774 |
| EXAMINATION | EP3165818 |
| OPPOSITION | EP2119955 |
| OPPOSITION | EP3165818 |
| OPPOSITION | JP2013225455 |
| OPPOSITION | KR101667902B |
| OPPOSITION | KR20120053919 |
| OPPOSITION | KR20160060843 |
| OPPOSITION | TWM380480U |
| OPPOSITION | US2011235338 |
| OPPOSITION | US2011242807 |
| OPPOSITION | US2014104853 |
| OPPOSITION | US2014168963 |
| OPPOSITION | US2015036338 |
| OPPOSITION | US8632225 |
| OPPOSITION | US8835969 |
| OPPOSITION | US9175832 |
| OPPOSITION | US9297517 |
| OPPOSITION | US9297520 |
| SEARCH | EP2119955 |
| SEARCH | KR101667902B |
| SEARCH | KR20160060843 |
| SEARCH | TWM380480U |
| SEARCH | US2012199852 |
| SEARCH | US2014104853 |
| SEARCH | US2014168963 |
| SEARCH | US2015036338 |
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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Dec 10, 2025
Dec 10, 2025
Dec 4, 2025
(Electronic) Receipt
Appeal
Dec 4, 2025
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Notice of appeal
Appeal
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OPPO
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Jul 4, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 7, 2023
Jan 5, 2023
Decision to grant a European patent
Search/Exam
Dec 16, 2022
(Electronic) Receipt
Search/Exam
Dec 16, 2022
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Filing of the translations of the claims
Search/Exam
Dec 16, 2022
French translation of claims
Search/Exam
Dec 16, 2022
German translation of the claims
Search/Exam
Oct 18, 2022
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Intention to grant (signatures)
Search/Exam
Oct 18, 2022
Text intended for grant (clean copy)
Search/Exam
Oct 18, 2022
May 24, 2022
(Electronic) Receipt
Search/Exam
May 24, 2022
Amended claims with annotations
Search/Exam
May 24, 2022
Amended description with annotations
Search/Exam
May 24, 2022
Claims
Search/Exam
May 24, 2022
Description
Search/Exam
May 24, 2022
Letter accompanying subsequently filed items
Search/Exam
May 24, 2022
Apr 13, 2022
Annex to the communication
Search/Exam
Apr 13, 2022
Communication from the Examining Division
Search/Exam
Feb 8, 2022
(Electronic) Receipt
Search/Exam
Feb 8, 2022
Amended claims with annotations
Search/Exam
Feb 8, 2022
Amended description with annotations
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Feb 8, 2022
Claims
Search/Exam
Feb 8, 2022
Description
Search/Exam
Feb 8, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2022
Oct 25, 2021
Annex to the communication
Search/Exam
Oct 25, 2021
Communication from the Examining Division
Search/Exam
Oct 19, 2021
Annex to the communication
Search/Exam
Oct 19, 2021
Consultation by telephone/in person
Search/Exam
Oct 19, 2021
Aug 6, 2021
(Electronic) Receipt
Search/Exam
Aug 6, 2021
Amended claims with annotations
Search/Exam
Aug 6, 2021
Amended claims with annotations
Search/Exam
Aug 6, 2021
Amended description with annotations
Search/Exam
Aug 6, 2021
Amended description with annotations
Search/Exam
Aug 6, 2021
Claims
Search/Exam
Aug 6, 2021
Claims
Search/Exam
Aug 6, 2021
Description
Search/Exam
Aug 6, 2021
Description
Search/Exam
Aug 6, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 6, 2021
Jun 10, 2021
Annex to the communication
Search/Exam
Jun 10, 2021
Communication from the Examining Division
Search/Exam
Jun 3, 2021
Examination started
Search/Exam
Apr 15, 2021
Apr 8, 2021
(Electronic) Receipt
Search/Exam
Apr 8, 2021
Annexes in respect of a client data request
Search/Exam
Apr 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 8, 2021
May 2, 2019
(Electronic) Receipt
Search/Exam
May 2, 2019
Letter accompanying subsequently filed items
Search/Exam
May 2, 2019
Written request for examination
Search/Exam
Apr 24, 2019
Mar 20, 2019
Notification of forthcoming publication
Search/Exam
Mar 6, 2019
Feb 26, 2019
(Electronic) Receipt
Search/Exam
Feb 26, 2019
Annexes in respect of a client data request
Search/Exam
Feb 26, 2019
Annexes in respect of a client data request
Search/Exam
Feb 26, 2019
Annexes in respect of a client data request
Search/Exam
Feb 26, 2019
Annexes in respect of a client data request
Search/Exam
Feb 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 26, 2019
Jan 7, 2019
(Electronic) Receipt
Search/Exam
Jan 7, 2019
Jan 7, 2019
Amended claims with annotations
Search/Exam
Jan 7, 2019
Amendments received before examination
Search/Exam
Jan 7, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 11, 2018
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European search opinion
Search/Exam
Apr 11, 2018
European search report
Search/Exam
Apr 11, 2018
Information on Search Strategy
Search/Exam
Mar 20, 2018
Search started
Search/Exam
Dec 4, 2017
Communication to designated inventor
Search/Exam
Dec 4, 2017
Communication to designated inventor
Search/Exam
Oct 10, 2017
Abstract
Search/Exam
Oct 10, 2017
Oct 10, 2017
Claims
Search/Exam
Oct 10, 2017
Description
Search/Exam
Oct 10, 2017
Designation of inventor
Search/Exam
Oct 10, 2017
Drawings
Search/Exam
Oct 10, 2017
Request for grant of a European patent
Search/Exam