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The patent EP3514386 was granted to LG Electronics on Oct 8, 2025. The application was filed on Nov 9, 2015 under application number EP19161036A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| SECOP | Sep 30, 2021 | KLIMENT & HENHAPEL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | KR20100085760 |
| OPPOSITION | EP2796716 |
| OPPOSITION | US6227814 |
| OPPOSITION | WO2009083481 |
| SEARCH | AT8401U |
| SEARCH | AT8985U |
| SEARCH | EP2796716 |
| SEARCH | US3469599 |
| SEARCH | US4352377 |
| SEARCH | US4723896 |
| SEARCH | US6523571 |
| SEARCH | WO2013098021 |
| SEARCH | WO9741352 |
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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Sep 11, 2025
Sep 11, 2025
Sep 1, 2025
Sep 1, 2025
Description
OPPO
Sep 1, 2025
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Jun 26, 2025
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(Electronic) Receipt
Appeal
Apr 7, 2025
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Mar 6, 2025
(Electronic) Receipt
Appeal
Mar 6, 2025
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(Electronic) Receipt
Appeal
Dec 13, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Dec 7, 2023
Dec 4, 2023
(Electronic) Receipt
Appeal
Dec 4, 2023
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Reply to appeal
Appeal
Aug 2, 2023
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Jul 28, 2023
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
May 30, 2023
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Notice of appeal
Appeal
May 19, 2023
(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Means of redress
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Decision to grant a European patent
Search/Exam
Oct 27, 2020
(Electronic) Receipt
Search/Exam
Oct 27, 2020
French translation of claims
Search/Exam
Oct 27, 2020
German translation of the claims
Search/Exam
Oct 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 7, 2020
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Intention to grant (signatures)
Search/Exam
Jul 7, 2020
Text intended for grant (clean copy)
Search/Exam
Jul 7, 2020
May 15, 2020
(Electronic) Receipt
Search/Exam
May 15, 2020
Amended description with annotations
Search/Exam
May 15, 2020
Description
Search/Exam
May 15, 2020
Letter accompanying subsequently filed items
Search/Exam
May 15, 2020
Apr 21, 2020
Annex to the communication
Search/Exam
Apr 21, 2020
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Mar 4, 2020
Examination started
Search/Exam
Jan 23, 2020
(Electronic) Receipt
Search/Exam
Jan 23, 2020
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Amended claims with annotations
Search/Exam
Jan 23, 2020
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Amended description with annotations
Search/Exam
Jan 23, 2020
Amendments received before examination
Search/Exam
Jan 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 29, 2019
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Refund of fees
Search/Exam
Jun 26, 2019
Notification of forthcoming publication
Search/Exam
Jun 4, 2019
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European search opinion
Search/Exam
Jun 4, 2019
European search report
Search/Exam
Jun 4, 2019
Information on Search Strategy
Search/Exam
May 20, 2019
Search started
Search/Exam
Apr 29, 2019
Communication to designated inventor
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Apr 29, 2019
Communication to designated inventor
Search/Exam
Apr 29, 2019
Communication to designated inventor
Search/Exam
Apr 29, 2019
Communication to designated inventor
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Apr 29, 2019
Communication to designated inventor
Search/Exam
Apr 29, 2019
Communication to designated inventor
Search/Exam
Mar 6, 2019
Abstract
Search/Exam
Mar 6, 2019
Mar 6, 2019
Amended claims with annotations
Search/Exam
Mar 6, 2019
Claims
Search/Exam
Mar 6, 2019
Description
Search/Exam
Mar 6, 2019
Designation of inventor
Search/Exam
Mar 6, 2019
Drawings
Search/Exam
Mar 6, 2019
Request for grant of a European patent
Search/Exam
Jan 12, 2016
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