Sealing Device

Patent No. EP4371738 (titled "Sealing Device") was filed by LG Energy Solution on Jul 12, 2022. The application was issued on Aug 27, 2025.

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 9, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 31, 2025
Decision to grant a European patent
Jul 15, 2025
(Electronic) Receipt
Jul 15, 2025
French translation of claims
Jul 15, 2025
German translation of the claims
Jul 15, 2025
Letter accompanying subsequently filed items
Jun 2, 2025
Annex to the communication about intention to grant a European patent
Jun 2, 2025
Bibliographic data of the European patent application
Jun 2, 2025
Communication about intention to grant a European patent
Jun 2, 2025
Intention to grant (signatures)
Jun 2, 2025
Text intended for grant (clean copy)
Jun 2, 2025
Text intended for grant (version for approval)
May 13, 2025
Examination started
Mar 17, 2025
(Electronic) Receipt
Mar 17, 2025
Amended claims filed after receipt of (European) search report
Mar 17, 2025
Amended claims with annotations
Mar 17, 2025
Amended description filed after receipt of (European) search report
Mar 17, 2025
Amended description with annotations
Mar 17, 2025
Amendments received before examination
Mar 17, 2025
Letter accompanying subsequently filed items
Oct 15, 2024
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 26, 2024
Communication regarding the transmission of the European search report
Sep 26, 2024
European search opinion
Sep 26, 2024
Information on Search Strategy
Sep 26, 2024
Supplementary European search report
Sep 10, 2024
Search started
Apr 24, 2024
Notification of forthcoming publication
Jan 29, 2024
Copy of the international preliminary report on patentability
Jan 29, 2024
Translation of the international preliminary report on patentability
Nov 24, 2023
Information regarding early processing
Nov 9, 2023
(Electronic) Receipt
Nov 9, 2023
Abstract
Nov 9, 2023
Claims
Nov 9, 2023
Description
Nov 9, 2023
Drawings
Nov 9, 2023
Request for entry into the European phase
Feb 6, 2023
Priority document (electronically transmitted)
Jan 19, 2023
Copy of the international search report
Jan 19, 2023
Copy of the translated international search report
Jan 19, 2023
International publication pamphlet

EP4371738

LG ENERGY SOLUTION

Application Number: EP22842441A
Filing Date: Jul 12, 2022
Status: Granted And Under Opposition; Jul 25, 2025
Publication Date: Aug 27, 2025
External Links: Slate, Register , Google Patents

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Sealing Device

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Dossier Documents

EP4371738