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The patent EP3766255 was granted to Schrder on Aug 3, 2022. The application was filed on Mar 18, 2019 under application number EP19711092A. 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 |
|---|---|---|---|
| ZUMTOBEL LIGHTING | Apr 27, 2023 | RUPP | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2010161658 |
| INTERNATIONAL-SEARCH-REPORT | WO2016193199 |
| OPPOSITION | US2010161658 |
| OPPOSITION | US2016342701 |
| OPPOSITION | US8855372 |
| OPPOSITION | US9554447 |
| OPPOSITION | US9836890 |
| OPPOSITION | WO2016193199 |
| OPPOSITION | WO2017025854 |
| OPPOSITION | WO2019175439 |
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 5, 2025
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Sep 29, 2025
(Electronic) Receipt
Appeal
Sep 29, 2025
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Reply to appeal
Appeal
Sep 15, 2025
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
May 6, 2025
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(Electronic) Receipt
Appeal
Mar 24, 2025
Notice of appeal
Appeal
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(Electronic) Receipt
Appeal
Feb 27, 2025
Notice of appeal
Appeal
Feb 27, 2025
Notice of appeal
Appeal
Feb 27, 2025
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Appeal
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OPPO
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Aug 17, 2022
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Decision to grant a European patent
Search/Exam
Jun 27, 2022
(Electronic) Receipt
Search/Exam
Jun 27, 2022
Filing of the translations of the claims
Search/Exam
Jun 27, 2022
French translation of claims
Search/Exam
Jun 27, 2022
German translation of the claims
Search/Exam
Feb 18, 2022
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Intention to grant (signatures)
Search/Exam
Feb 18, 2022
Text intended for grant (clean copy)
Search/Exam
Feb 18, 2022
Jan 31, 2022
Examination started
Search/Exam
Apr 23, 2021
(Electronic) Receipt
Search/Exam
Apr 23, 2021
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Amended claims with annotations
Search/Exam
Apr 23, 2021
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Amended description with annotations
Search/Exam
Apr 23, 2021
Amendments received before examination
Search/Exam
Apr 23, 2021
Letter accompanying subsequently filed items
Search/Exam
Dec 23, 2020
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Communication to designated inventor
Search/Exam
Oct 16, 2020
Priority search results copy provided by EPO
Search/Exam
Oct 5, 2020
Sep 17, 2020
Information regarding early processing
Search/Exam
Sep 8, 2020
(Electronic) Receipt
Search/Exam
Sep 8, 2020
Request for entry into the European phase
Search/Exam
Jul 24, 2020
Information on entry into European phase
Search/Exam
Oct 8, 2019
Sep 19, 2019
Copy of the international search report
Search/Exam
Sep 19, 2019
Published international application - A1
Search/Exam
May 17, 2019
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ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
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(Electronic) Receipt
PCTRO
Mar 18, 2019
Abstract
PCTRO
Mar 18, 2019
Claims
PCTRO
Mar 18, 2019
Description
PCTRO
Mar 18, 2019
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Drawings
PCTRO
Mar 18, 2019
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