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The patent EP3316375 was granted to Panasonic Management on Mar 18, 2020. The application was filed on May 30, 2016 under application number EP16813899A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| MAIWALD | Dec 17, 2020 | GRAF VON STOSCH PATENTANWALTSGESELLSCHAFT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2009533799 |
| INTERNATIONAL-SEARCH-REPORT | JP2014524124 |
| OPPOSITION | JP2004119311 |
| OPPOSITION | US2015056524 |
| OPPOSITION | US4180623 |
| OPPOSITION | WO2013048383 |
| OPPOSITION | WO2013123911 |
| OPPOSITION | WO2014039767 |
| SEARCH | US2009017379 |
| SEARCH | US2011189520 |
| SEARCH | WO2013012391 |
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 6, 2024
Dec 6, 2024
Dec 6, 2024
Oct 25, 2024
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Oct 25, 2024
Oct 4, 2024
(Electronic) Receipt
Appeal
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
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Sep 16, 2024
(Electronic) Receipt
Appeal
Sep 16, 2024
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Sep 3, 2024
Aug 28, 2024
(Electronic) Receipt
Appeal
Aug 28, 2024
Aug 28, 2024
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Aug 14, 2024
(Electronic) Receipt
Appeal
Aug 14, 2024
Aug 14, 2024
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Aug 6, 2024
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Jul 9, 2024
(Electronic) Receipt
Appeal
Jul 9, 2024
Jul 9, 2024
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May 7, 2024
May 7, 2024
Nov 3, 2023
Oct 30, 2023
(Electronic) Receipt
Appeal
Oct 30, 2023
Oct 30, 2023
Oct 30, 2023
Oct 13, 2023
Advice of delivery
Appeal
Oct 10, 2023
Oct 10, 2023
Oct 5, 2023
Oct 5, 2023
Mar 16, 2023
Mar 13, 2023
(Electronic) Receipt
Appeal
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Reply to appeal
Appeal
Nov 3, 2022
Nov 2, 2022
Oct 28, 2022
Oct 28, 2022
Oct 27, 2022
(Electronic) Receipt
Appeal
Oct 27, 2022
Oct 27, 2022
Oct 26, 2022
(Electronic) Receipt
Appeal
Oct 26, 2022
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Oct 21, 2022
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Aug 16, 2022
Jul 4, 2022
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Jun 28, 2022
(Electronic) Receipt
Appeal
Jun 28, 2022
Jun 28, 2022
Notice of appeal
Appeal
Jun 20, 2022
Jun 17, 2022
Jun 17, 2022
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Means of redress
OPPO
Jun 17, 2022
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Mar 30, 2020
Feb 20, 2020
Decision to grant a European patent
Search/Exam
Feb 6, 2020
(Electronic) Receipt
Search/Exam
Feb 6, 2020
Filing of the translations of the claims
Search/Exam
Feb 6, 2020
French translation of claims
Search/Exam
Feb 6, 2020
German translation of the claims
Search/Exam
Feb 6, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 1, 2019
Oct 1, 2019
Oct 1, 2019
Intention to grant (signatures)
Search/Exam
Oct 1, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 1, 2019
Sep 10, 2019
Examination started
Search/Exam
Aug 8, 2019
(Electronic) Receipt
Search/Exam
Aug 8, 2019
Aug 8, 2019
Amended claims with annotations
Search/Exam
Aug 8, 2019
Amendments received before examination
Search/Exam
Aug 8, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 22, 2019
Feb 5, 2019
Feb 5, 2019
European search opinion
Search/Exam
Feb 5, 2019
Information on Search Strategy
Search/Exam
Feb 5, 2019
Supplementary European search report
Search/Exam
Jan 22, 2019
Search started
Search/Exam
Apr 5, 2018
Notification of forthcoming publication
Search/Exam
Feb 22, 2018
(Electronic) Receipt
Search/Exam
Feb 22, 2018
(Electronic) Receipt
Search/Exam
Feb 22, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 22, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 22, 2018
Letter concerning search matters
Search/Exam
Feb 2, 2018
Jan 31, 2018
Communication to designated inventor
Search/Exam
Jan 8, 2018
Jan 8, 2018
Nov 6, 2017
(Electronic) Receipt
Search/Exam
Nov 6, 2017
(Electronic) Receipt
Search/Exam
Nov 6, 2017
Abstract
Search/Exam
Nov 6, 2017
Nov 6, 2017
Amended claims with annotations
Search/Exam
Nov 6, 2017
Claims
Search/Exam
Nov 6, 2017
Description
Search/Exam
Nov 6, 2017
Drawings
Search/Exam
Nov 6, 2017
Information on entry into European phase
Search/Exam
Nov 6, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2017
Letter concerning the inventor
Search/Exam
Nov 6, 2017
Request for entry into the European phase
Search/Exam
Jan 16, 2017
Dec 29, 2016
Copy of the international search report
Search/Exam
Dec 29, 2016
Dec 29, 2016
International publication pamphlet
Search/Exam