The weekly litigation news digest is live. Subscribe now
The patent EP4044336 was granted to LG Energy Solution on Mar 6, 2024. The application was filed on Jan 19, 2022 under application number EP22152245A. 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 |
|---|---|---|---|
| ACAPO ONSAGERS | Dec 6, 2024 | ACAPO ONSAGERS | ADMISSIBLE |
| ONSAGERS | Dec 6, 2024 | ONSAGERS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6677082 |
| DESCRIPTION | US6680143 |
| OPPOSITION | CN101026248 |
| OPPOSITION | EP1596450 |
| OPPOSITION | JP2001148238 |
| OPPOSITION | JP2004095487 |
| OPPOSITION | JP2005209638 |
| OPPOSITION | JP2016115422 |
| OPPOSITION | KR20160009406 |
| OPPOSITION | KR20200041625 |
| OPPOSITION | US2005287428 |
| OPPOSITION | US2005287432 |
| OPPOSITION | US2011274953 |
| OPPOSITION | US2017338462 |
| OPPOSITION | WO2022061187 |
| SEARCH | EP2472641 |
| SEARCH | EP2677592 |
| SEARCH | GB2564670 |
| SEARCH | US2005260487 |
| SEARCH | US2016043373 |
| SEARCH | US2016226056 |
| SEARCH | US2017256769 |
| SEARCH | US2018205044 |
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
Get instant alerts for new documents
Apr 25, 2025
Apr 22, 2025
Apr 22, 2025
Apr 22, 2025
Apr 22, 2025
Apr 22, 2025
Dec 20, 2024
Dec 20, 2024
Dec 10, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Dec 6, 2024
Mar 19, 2024
Feb 8, 2024
Decision to grant a European patent
Search/Exam
Jan 12, 2024
(Electronic) Receipt
Search/Exam
Jan 12, 2024
Filing of the translations of the claims
Search/Exam
Jan 12, 2024
French translation of claims
Search/Exam
Jan 12, 2024
German translation of the claims
Search/Exam
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Sep 20, 2023
Intention to grant (signatures)
Search/Exam
Sep 20, 2023
Text intended for grant (clean copy)
Search/Exam
Sep 20, 2023
Apr 19, 2023
(Electronic) Receipt
Search/Exam
Apr 19, 2023
Amended claims with annotations
Search/Exam
Apr 19, 2023
Amended description with annotations
Search/Exam
Apr 19, 2023
Claims
Search/Exam
Apr 19, 2023
Description
Search/Exam
Apr 19, 2023
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2023
Feb 8, 2023
Annex to the communication
Search/Exam
Feb 8, 2023
Feb 8, 2023
Feb 2, 2023
Examination started
Search/Exam
Nov 28, 2022
(Electronic) Receipt
Search/Exam
Nov 28, 2022
Nov 28, 2022
Amended claims with annotations
Search/Exam
Nov 28, 2022
Amendments received before examination
Search/Exam
Nov 28, 2022
Letter accompanying subsequently filed items
Search/Exam
Sep 5, 2022
Jul 28, 2022
Jul 28, 2022
European search opinion
Search/Exam
Jul 28, 2022
European search report
Search/Exam
Jul 28, 2022
Information on Search Strategy
Search/Exam
Jul 20, 2022
Notification of forthcoming publication
Search/Exam
Mar 31, 2022
Mar 28, 2022
Mar 11, 2022
Mar 8, 2022
Mar 8, 2022
Mar 8, 2022
Mar 8, 2022
Feb 23, 2022
Feb 16, 2022
Annexes in respect of a client data request
Search/Exam
Feb 16, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 16, 2022
Feb 14, 2022
Feb 7, 2022
Note on telephone consultation
Search/Exam
Feb 1, 2022
(Electronic) Receipt
Search/Exam
Feb 1, 2022
Feb 1, 2022
General enquiry
Search/Exam
Feb 1, 2022
General enquiry
Search/Exam
Feb 1, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 24, 2022
Jan 19, 2022
Abstract
Search/Exam
Jan 19, 2022
Jan 19, 2022
Claims
Search/Exam
Jan 19, 2022
Description
Search/Exam
Jan 19, 2022
Designation of inventor
Search/Exam
Jan 19, 2022
Drawings
Search/Exam
Jan 19, 2022
Request for grant of a European patent
Search/Exam