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The patent EP3531026 was granted to LG Electronics on Oct 20, 2021. The application was filed on Jul 12, 2010 under application number EP19162696A. 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 |
|---|---|---|---|
| BSH HAUSGERATE | Jul 13, 2022 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE2910076 |
| OPPOSITION | EP0565941 |
| OPPOSITION | EP0892220 |
| OPPOSITION | EP0950644 |
| OPPOSITION | EP1167310 |
| OPPOSITION | EP1384953 |
| OPPOSITION | JPH06147502 |
| OPPOSITION | JPS55132641 |
| OPPOSITION | JPS61291835 |
| OPPOSITION | US3545423 |
| OPPOSITION | US3566855 |
| OPPOSITION | US4180609 |
| OPPOSITION | US6191389 |
| OPPOSITION | US7005613 |
| OPPOSITION | WO0202471 |
| OPPOSITION | WO2010036010 |
| SEARCH | EP0565941 |
| SEARCH | EP0950644 |
| SEARCH | EP1167310 |
| SEARCH | US3545423 |
| SEARCH | WO2010036010 |
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 22, 2025
(Electronic) Receipt
Appeal
Dec 22, 2025
Dec 22, 2025
Oct 30, 2025
Oct 28, 2025
(Electronic) Receipt
Appeal
Oct 28, 2025
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(Electronic) Receipt
Appeal
Sep 4, 2025
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Aug 4, 2025
(Electronic) Receipt
Appeal
Aug 4, 2025
Aug 4, 2025
Reply to appeal
Appeal
Aug 1, 2025
(Electronic) Receipt
Appeal
Aug 1, 2025
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Claims
Appeal
Aug 1, 2025
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Reply to appeal
Appeal
Apr 2, 2025
Mar 28, 2025
(Electronic) Receipt
Appeal
Mar 28, 2025
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Feb 7, 2025
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Feb 4, 2025
(Electronic) Receipt
Appeal
Feb 4, 2025
Notice of appeal
Appeal
Feb 4, 2025
Notice of appeal
Appeal
Dec 6, 2024
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Means of redress
OPPO
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Authorisation
OPPO
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Nov 3, 2021
Sep 23, 2021
Decision to grant a European patent
Search/Exam
Sep 8, 2021
(Electronic) Receipt
Search/Exam
Sep 8, 2021
Filing of the translations of the claims
Search/Exam
Sep 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 2, 2021
Sep 2, 2021
Sep 2, 2021
Intention to grant (signatures)
Search/Exam
Sep 2, 2021
Text intended for grant (clean copy)
Search/Exam
Sep 2, 2021
Aug 3, 2021
(Electronic) Receipt
Search/Exam
Aug 3, 2021
Amended claims with annotations
Search/Exam
Aug 3, 2021
Claims
Search/Exam
Aug 3, 2021
French translation of claims
Search/Exam
Aug 3, 2021
German translation of the claims
Search/Exam
Aug 3, 2021
Letter concerning fees and payments
Search/Exam
Aug 3, 2021
Mar 29, 2021
Mar 29, 2021
Mar 29, 2021
Intention to grant (signatures)
Search/Exam
Mar 29, 2021
Text intended for grant (clean copy)
Search/Exam
Mar 29, 2021
Jan 29, 2021
Examination started
Search/Exam
Jan 17, 2020
(Electronic) Receipt
Search/Exam
Jan 17, 2020
Jan 17, 2020
Amended claims with annotations
Search/Exam
Jan 17, 2020
Jan 17, 2020
Amended description with annotations
Search/Exam
Jan 17, 2020
Amendments received before examination
Search/Exam
Jan 17, 2020
Letter concerning fees and payments
Search/Exam
Sep 2, 2019
Jul 31, 2019
Notification of forthcoming publication
Search/Exam
Jul 8, 2019
(Electronic) Receipt
Search/Exam
Jul 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Jul 8, 2019
Refund of fees
Search/Exam
Jul 3, 2019
Jul 3, 2019
European search opinion
Search/Exam
Jul 3, 2019
European search report
Search/Exam
Jul 3, 2019
Information on Search Strategy
Search/Exam
Jun 25, 2019
Search started
Search/Exam
Jun 7, 2019
Communication to designated inventor
Search/Exam
Jun 7, 2019
Communication to designated inventor
Search/Exam
Jun 7, 2019
Communication to designated inventor
Search/Exam
Jun 7, 2019
Communication to designated inventor
Search/Exam
Jun 7, 2019
Communication to designated inventor
Search/Exam
Jun 7, 2019
Communication to designated inventor
Search/Exam
Jun 7, 2019
Communication to designated inventor
Search/Exam
Mar 14, 2019
Abstract
Search/Exam
Mar 14, 2019
Mar 14, 2019
Claims
Search/Exam
Mar 14, 2019
Description
Search/Exam
Mar 14, 2019
Designation of inventor
Search/Exam
Mar 14, 2019
Drawings
Search/Exam
Mar 14, 2019
Letter concerning search matters
Search/Exam
Mar 14, 2019
Priority search results
Search/Exam
Mar 14, 2019
Request for grant of a European patent
Search/Exam
Feb 11, 2011