Battery Swelling Test Device

Patent No. EP4053963 (titled "Battery Swelling Test Device") was filed by LG Energy Solution on Mar 3, 2021. The application was issued on Sep 7, 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
Oct 20, 2025
Request for a change to the title of the invention
Oct 16, 2025
(Electronic) Receipt
Oct 16, 2025
Filing of the translations of the claims
Oct 16, 2025
French translation of claims
Oct 16, 2025
German translation of the claims
Jun 20, 2025
Annex to the communication about intention to grant a European patent
Jun 20, 2025
Bibliographic data of the European patent application
Jun 20, 2025
Communication about intention to grant a European patent
Jun 20, 2025
Intention to grant (signatures)
Jun 20, 2025
Text intended for grant (clean copy)
Jun 20, 2025
Text intended for grant (version for approval)
Jun 2, 2025
Examination started
Apr 14, 2025
(Electronic) Receipt
Apr 14, 2025
Amended claims filed after receipt of (European) search report
Apr 14, 2025
Amended claims with annotations
Apr 14, 2025
Amended description filed after receipt of (European) search report
Apr 14, 2025
Amended description with annotations
Apr 14, 2025
Amendments received before examination
Apr 14, 2025
Summary of subsequently filed documents
Oct 18, 2024
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Oct 1, 2024
Communication regarding the transmission of the European search report
Oct 1, 2024
Document annexed to the Extended European Search Report
Oct 1, 2024
Document annexed to the Extended European Search Report
Oct 1, 2024
Document annexed to the Extended European Search Report
Oct 1, 2024
European search opinion
Oct 1, 2024
Information on Search Strategy
Oct 1, 2024
Supplementary European search report
Sep 19, 2024
Search started
Jul 5, 2024
Document concerning representation
Oct 3, 2022
Copy of the international preliminary report on patentability
Oct 3, 2022
Translation of the international preliminary report on patentability
Aug 10, 2022
Notification of forthcoming publication
Jun 17, 2022
Confirmation of effective date of early entry
Jun 17, 2022
Request for a change to the title of the invention
Jun 1, 2022
(Electronic) Receipt
Jun 1, 2022
Abstract
Jun 1, 2022
Claims
Jun 1, 2022
Copy of the international preliminary report on patentability
Jun 1, 2022
Description
Jun 1, 2022
Drawings
Jun 1, 2022
Request for entry into the European phase
Jun 1, 2022
Translation of the international preliminary report on patentability
Oct 11, 2021
Priority document (electronically transmitted)
Sep 23, 2021
Copy of the international search report
Sep 23, 2021
Copy of the translated international search report
Sep 23, 2021
International publication pamphlet

EP4053963

LG ENERGY SOLUTION

Application Number: EP21771862A
Filing Date: Mar 3, 2021
Status: Intended To Grant; Jun 19, 2025
Publication Date: Sep 7, 2022
External Links: Slate, Register , Google Patents

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Battery Swelling Test Device

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EP4053963