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The patent EP3070114 was granted to LG Chem on Apr 7, 2021. The application was filed on Nov 11, 2015 under application number EP15863863A. 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 |
|---|---|---|---|
| NIPPON SHOKUBAI | Jan 6, 2022 | HERZOG PATENTANWALTS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2009509723 |
| INTERNATIONAL-SEARCH-REPORT | JP5524042B |
| INTERNATIONAL-SEARCH-REPORT | KR20070012623 |
| INTERNATIONAL-SEARCH-REPORT | KR20130120400 |
| INTERNATIONAL-SEARCH-REPORT | KR20140134219 |
| OPPOSITION | EP2399944 |
| OPPOSITION | EP2518092 |
| OPPOSITION | EP2557095 |
| OPPOSITION | EP2826807 |
| OPPOSITION | EP3070114 |
| OPPOSITION | JP2000063527 |
| OPPOSITION | JP2001079829 |
| OPPOSITION | WO2006026406 |
| OPPOSITION | WO2013162255 |
| OPPOSITION | WO2016085163 |
| OPPOSITION | WO9321237 |
| SEARCH | EP2826807 |
| SEARCH | WO9321237 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 23, 2024
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Reply to appeal
Appeal
Nov 3, 2023
Oct 26, 2023
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Aug 29, 2023
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Notice of appeal
Appeal
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Means of redress
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Apr 20, 2021
Mar 12, 2021
Decision to grant a European patent
Search/Exam
Feb 24, 2021
(Electronic) Receipt
Search/Exam
Feb 24, 2021
Filing of the translations of the claims
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Feb 24, 2021
French translation of claims
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Feb 24, 2021
German translation of the claims
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Feb 1, 2021
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Intention to grant (signatures)
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Feb 1, 2021
Text intended for grant (clean copy)
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Feb 1, 2021
Jun 2, 2020
May 19, 2020
(Electronic) Receipt
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May 19, 2020
Enquiry as to the processing of the file
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May 19, 2020
Letter accompanying subsequently filed items
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Apr 2, 2019
(Electronic) Receipt
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Apr 2, 2019
Amended claims with annotations
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Apr 2, 2019
Amended description with annotations
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Apr 2, 2019
Claims
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Apr 2, 2019
Description
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Apr 2, 2019
Letter accompanying subsequently filed items
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Apr 2, 2019
Jan 28, 2019
Annex to the communication
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Jan 28, 2019
Communication from the Examining Division
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Jan 21, 2019
Examination started
Search/Exam
Dec 19, 2018
Dec 5, 2018
(Electronic) Receipt
Search/Exam
Dec 5, 2018
Enquiry as to the processing of the file
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Dec 5, 2018
Letter accompanying subsequently filed items
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Nov 29, 2017
(Electronic) Receipt
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Nov 29, 2017
Nov 29, 2017
Amended claims with annotations
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Nov 29, 2017
Amendments received before examination
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Nov 29, 2017
Letter accompanying subsequently filed items
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Jun 29, 2017
Jun 28, 2017
Communication to designated inventor
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Jun 28, 2017
Communication to designated inventor
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Jun 28, 2017
Communication to designated inventor
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Jun 28, 2017
Communication to designated inventor
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Jun 28, 2017
Communication to designated inventor
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Jun 14, 2017
Jun 12, 2017
Jun 12, 2017
European search opinion
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Jun 12, 2017
Information on Search Strategy
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Jun 12, 2017
Supplementary European search report
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May 30, 2017
Search started
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May 26, 2017
Observations by third parties
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May 26, 2017
Patent document filed by a Third party
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May 26, 2017
Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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May 26, 2017
Patent document filed by a Third party
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May 11, 2017
Submission concerning representation
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Apr 18, 2017
Apr 13, 2017
Apr 11, 2017
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Mar 27, 2017
Observations by third parties
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Mar 27, 2017
Observations by third parties
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Mar 27, 2017
Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Mar 27, 2017
Patent document filed by a Third party
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Mar 27, 2017
Patent document filed by a Third party
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Mar 7, 2017
Enquiry with the International Bureau
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Aug 24, 2016
Notification of forthcoming publication
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Jul 20, 2016
Jul 19, 2016
Jun 20, 2016
Jun 17, 2016
(Electronic) Receipt
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Jun 17, 2016
Abstract
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Jun 17, 2016
Claims
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Jun 17, 2016
Description
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Jun 17, 2016
Drawings
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Jun 17, 2016
Request for entry into the European phase
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Jun 17, 2016
Submission concerning representation
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Jun 2, 2016
Jun 2, 2016
Copy of the international search report
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Jun 2, 2016
Jun 2, 2016
International publication pamphlet
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