The weekly litigation news digest is live. Subscribe now
The patent EP3855066 was granted to Thorn Lighting on Mar 8, 2023. The application was filed on Jan 24, 2020 under application number EP20153506A. 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 |
|---|---|---|---|
| SCHREDER | Dec 8, 2023 | ARNOLD & SIEDSMA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | CN110094677 |
| OPPOSITION | CN203010364U |
| OPPOSITION | FR3073605 |
| OPPOSITION | US2011057081 |
| OPPOSITION | US2014218941 |
| OPPOSITION | US2018299108 |
| OPPOSITION | US2019309935 |
| OPPOSITION | US8177386 |
| OPPOSITION | US9028087 |
| OPPOSITION | US9470375 |
| OPPOSITION | US9976714 |
| OPPOSITION | WO2015063805 |
| OPPOSITION | WO2016033320 |
| OPPOSITION | WO2019015976 |
| SEARCH | FR3073605 |
| SEARCH | US2011057081 |
| SEARCH | US2014218941 |
| SEARCH | US2019309935 |
| SEARCH | WO2015063805 |
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
Get instant alerts for new documents
Dec 2, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Means of redress
OPPO
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 28, 2025
Nov 18, 2025
Annexes in respect of a client data request
Search/Exam
Nov 18, 2025
Letter accompanying subsequently filed items
Search/Exam
Nov 18, 2025
Nov 13, 2025
Oct 21, 2025
Oct 21, 2025
Oct 21, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 15, 2025
Oct 7, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Sep 24, 2025
Sep 23, 2025
Sep 15, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Sep 10, 2025
Jul 18, 2025
Jul 1, 2025
Annexes in respect of a client data request
Search/Exam
Jul 1, 2025
Letter accompanying subsequently filed items
Search/Exam
Jul 1, 2025
Jul 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Oct 10, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Oct 7, 2024
Jul 24, 2024
Jul 19, 2024
Jul 19, 2024
Jul 19, 2024
Apr 3, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Mar 25, 2024
Dec 22, 2023
Dec 22, 2023
Dec 18, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Dec 8, 2023
Mar 21, 2023
Feb 9, 2023
Decision to grant a European patent
Search/Exam
Jan 12, 2023
(Electronic) Receipt
Search/Exam
Jan 12, 2023
Filing of the translations of the claims
Search/Exam
Jan 12, 2023
French translation of claims
Search/Exam
Jan 12, 2023
German translation of the claims
Search/Exam
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Intention to grant (signatures)
Search/Exam
Nov 4, 2022
Text intended for grant (clean copy)
Search/Exam
Nov 4, 2022
Sep 28, 2022
Examination started
Search/Exam
Aug 4, 2021
(Electronic) Receipt
Search/Exam
Aug 4, 2021
Aug 4, 2021
Aug 4, 2021
Amended claims with annotations
Search/Exam
Aug 4, 2021
Amended claims with annotations
Search/Exam
Aug 4, 2021
Aug 4, 2021
Aug 4, 2021
Amended description with annotations
Search/Exam
Aug 4, 2021
Amended description with annotations
Search/Exam
Aug 4, 2021
Amendments received before examination
Search/Exam
Aug 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 2, 2021
Jun 30, 2021
Notification of forthcoming publication
Search/Exam
Jul 9, 2020
Jul 9, 2020
European search opinion
Search/Exam
Jul 9, 2020
European search report
Search/Exam
Jul 9, 2020
Information on Search Strategy
Search/Exam
Jun 8, 2020
Search started
Search/Exam
Mar 18, 2020
Communication to designated inventor
Search/Exam
Mar 18, 2020
Communication to designated inventor
Search/Exam
Mar 18, 2020
Communication to designated inventor
Search/Exam
Mar 18, 2020
Communication to designated inventor
Search/Exam
Jan 24, 2020
Abstract
Search/Exam
Jan 24, 2020
Jan 24, 2020
Claims
Search/Exam
Jan 24, 2020
Description
Search/Exam
Jan 24, 2020
Designation of inventor
Search/Exam
Jan 24, 2020
Drawings
Search/Exam
Jan 24, 2020
Request for grant of a European patent
Search/Exam