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The patent EP3396750 was granted to LG Chem on Oct 9, 2019. The application was filed on Dec 22, 2016 under application number EP16879381A. 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 |
|---|---|---|---|
| STRAWMAN | Jul 8, 2020 | VOSSIUS & PARTNER PATENTANWALTE RECHTSANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | KR100582518B |
| INTERNATIONAL-SEARCH-REPORT | KR20140116190 |
| INTERNATIONAL-SEARCH-REPORT | KR20150006327 |
| INTERNATIONAL-SEARCH-REPORT | KR20150068371 |
| INTERNATIONAL-SEARCH-REPORT | WO2015026102 |
| OPPOSITION | JP2010146869 |
| OPPOSITION | WO2014148064 |
| SEARCH | US2016036055 |
| SEARCH | US2016233512 |
| SEARCH | WO2014148064 |
| SEARCH | WO2015026102 |
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 29, 2022
Sep 1, 2022
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Apr 28, 2022
Feb 9, 2022
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(Electronic) Receipt
Appeal
Feb 3, 2022
Feb 3, 2022
Notice of appeal
Appeal
Dec 9, 2021
Dec 8, 2021
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Means of redress
OPPO
Dec 8, 2021
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Oct 21, 2019
Sep 12, 2019
Decision to grant a European patent
Search/Exam
Aug 29, 2019
(Electronic) Receipt
Search/Exam
Aug 29, 2019
French translation of claims
Search/Exam
Aug 29, 2019
German translation of the claims
Search/Exam
Aug 29, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 4, 2019
Jun 4, 2019
Jun 4, 2019
Intention to grant (signatures)
Search/Exam
Jun 4, 2019
Text intended for grant (clean copy)
Search/Exam
Jun 4, 2019
May 15, 2019
Examination started
Search/Exam
Mar 22, 2019
(Electronic) Receipt
Search/Exam
Mar 22, 2019
Mar 22, 2019
Amended claims with annotations
Search/Exam
Mar 22, 2019
Amendments received before examination
Search/Exam
Mar 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 15, 2018
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Nov 5, 2018
Letter which had not been notified
Search/Exam
Nov 5, 2018
Letter which had not been notified
Search/Exam
Nov 5, 2018
Letter which had not been notified
Search/Exam
Nov 5, 2018
Letter which had not been notified
Search/Exam
Oct 5, 2018
Oct 4, 2018
Notification of forthcoming publication
Search/Exam
Sep 17, 2018
Sep 17, 2018
European search opinion
Search/Exam
Sep 17, 2018
Information on Search Strategy
Search/Exam
Sep 17, 2018
Supplementary European search report
Search/Exam
Sep 4, 2018
Sep 3, 2018
Search started
Search/Exam
Aug 28, 2018
Letter which had not been notified
Search/Exam
Jul 27, 2018
Communication to designated inventor
Search/Exam
Jul 27, 2018
Communication to designated inventor
Search/Exam
Jul 27, 2018
Communication to designated inventor
Search/Exam
Jul 27, 2018
Communication to designated inventor
Search/Exam
Jul 27, 2018
Communication to designated inventor
Search/Exam
Jul 16, 2018
Jul 16, 2018
Mar 29, 2018
Information regarding early processing
Search/Exam
Mar 27, 2018
Mar 27, 2018
Mar 8, 2018
(Electronic) Receipt
Search/Exam
Mar 8, 2018
Abstract
Search/Exam
Mar 8, 2018
Claims
Search/Exam
Mar 8, 2018
Description
Search/Exam
Mar 8, 2018
Request for entry into the European phase
Search/Exam
Jul 18, 2017
Jul 18, 2017
Jun 29, 2017
Copy of the international search report
Search/Exam
Jun 29, 2017
Jun 29, 2017
International publication pamphlet
Search/Exam