Secondary Battery And Device Including Same

Patent No. EP4109631 (titled "Secondary Battery And Device Including Same") was filed by LG Energy Solution on Oct 6, 2021. The application was issued on Dec 28, 2022.

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 9, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Oct 30, 2025
Decision to grant a European patent
Sep 18, 2025
(Electronic) Receipt
Sep 18, 2025
Filing of the translations of the claims
Sep 18, 2025
French translation of claims
Sep 18, 2025
German translation of the claims
Jun 23, 2025
Annex to the communication about intention to grant a European patent
Jun 23, 2025
Bibliographic data of the European patent application
Jun 23, 2025
Communication about intention to grant a European patent
Jun 23, 2025
Intention to grant (signatures)
Jun 23, 2025
Text intended for grant (clean copy)
Jun 23, 2025
Text intended for grant (version for approval)
Jan 15, 2025
(Electronic) Receipt
Jan 15, 2025
Amended description with annotations
Jan 15, 2025
Description
Jan 15, 2025
Reply to communication from the Examining Division
Jan 15, 2025
Summary of subsequently filed documents
Nov 12, 2024
Annex to the communication
Nov 12, 2024
Communication from the Examining Division
Aug 13, 2024
(Electronic) Receipt
Aug 13, 2024
Amended claims with annotations
Aug 13, 2024
Claims
Aug 13, 2024
Reply to communication from the Examining Division
Aug 13, 2024
Summary of subsequently filed documents
Jun 4, 2024
Annex to a communication
Jun 4, 2024
Annex to a communication
Jun 4, 2024
Annex to a communication
Jun 4, 2024
Annex to the communication
Jun 4, 2024
Communication from the Examining Division
May 24, 2024
Examination started
Dec 20, 2023
(Electronic) Receipt
Dec 20, 2023
Amended claims filed after receipt of (European) search report
Dec 20, 2023
Amended claims with annotations
Dec 20, 2023
Amendments received before examination
Dec 20, 2023
Letter accompanying subsequently filed items
Oct 4, 2023
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 15, 2023
Communication regarding the transmission of the European search report
Sep 15, 2023
Document annexed to the Extended European Search Report
Sep 15, 2023
Document annexed to the Extended European Search Report
Sep 15, 2023
Document annexed to the Extended European Search Report
Sep 15, 2023
Document annexed to the Extended European Search Report
Sep 15, 2023
European search opinion
Sep 15, 2023
Information on Search Strategy
Sep 15, 2023
Supplementary European search report
Sep 6, 2023
Search started
Apr 24, 2023
Copy of the international preliminary report on patentability
Apr 24, 2023
Translation of the international preliminary report on patentability
Nov 30, 2022
Notification of forthcoming publication
Oct 28, 2022
Request for a change to the title of the invention
Oct 7, 2022
Confirmation of effective date of early entry
Sep 22, 2022
(Electronic) Receipt
Sep 22, 2022
Abstract
Sep 22, 2022
Claims
Sep 22, 2022
Description
Sep 22, 2022
Drawings
Sep 22, 2022
Request for entry into the European phase
May 2, 2022
Priority document (electronically transmitted)
May 2, 2022
Priority document (electronically transmitted)
Apr 14, 2022
Copy of the international search report
Apr 14, 2022
Copy of the translated international search report
Apr 14, 2022
International publication pamphlet

EP4109631

LG ENERGY SOLUTION

Application Number: EP21877981A
Filing Date: Oct 6, 2021
Status: Intended To Grant; Jun 22, 2025
Publication Date: Dec 28, 2022
External Links: Slate, Register , Google Patents

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Secondary Battery And Device Including Same

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EP4109631