Separator For Electrochemical Device, And Electrochemical Device Comprising Same

Patent No. EP3800699 (titled "Separator For Electrochemical Device, And Electrochemical Device Comprising Same") was filed by LG Chem on Jul 12, 2019. The application was issued on Apr 7, 2021.

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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Oct 28, 2025
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 18, 2025
Decision to grant a European patent
Sep 8, 2025
(Electronic) Receipt
Sep 8, 2025
Filing of the translations of the claims
Sep 8, 2025
French translation of claims
Sep 8, 2025
German translation of the claims
Sep 8, 2025
Letter accompanying subsequently filed items
May 7, 2025
Annex to the communication about intention to grant a European patent
May 7, 2025
Bibliographic data of the European patent application
May 7, 2025
Communication about intention to grant a European patent
May 7, 2025
Intention to grant (signatures)
May 7, 2025
Text intended for grant (clean copy)
May 7, 2025
Text intended for grant (version for approval)
Jan 17, 2025
(Electronic) Receipt
Jan 17, 2025
Amended claims with annotations
Jan 17, 2025
Claims
Jan 17, 2025
Letter accompanying subsequently filed items
Jan 17, 2025
Reply to communication from the Examining Division
Sep 17, 2024
Annex to the communication
Sep 17, 2024
Communication from the Examining Division
Jul 15, 2024
(Electronic) Receipt
Jul 15, 2024
Amended claims with annotations
Jul 15, 2024
Amended claims with annotations
Jul 15, 2024
Claims
Jul 15, 2024
Claims
Jul 15, 2024
Letter accompanying subsequently filed items
Jul 15, 2024
Reply to communication from the Examining Division
Mar 18, 2024
Annex to the communication
Mar 18, 2024
Communication from the Examining Division
Jan 12, 2024
(Electronic) Receipt
Jan 12, 2024
Amended claims with annotations
Jan 12, 2024
Amended claims with annotations
Jan 12, 2024
Claims
Jan 12, 2024
Claims
Jan 12, 2024
Letter accompanying subsequently filed items
Jan 12, 2024
Reply to communication from the Examining Division
Sep 14, 2023
Annex to the communication
Sep 14, 2023
Communication from the Examining Division
Sep 8, 2023
Examination started
Jul 10, 2023
(Electronic) Receipt
Jul 10, 2023
Letter accompanying subsequently filed items
Feb 25, 2022
(Electronic) Receipt
Feb 25, 2022
Amended claims filed after receipt of (European) search report
Feb 25, 2022
Amended claims with annotations
Feb 25, 2022
Amendments received before examination
Feb 25, 2022
Letter accompanying subsequently filed items
Feb 23, 2022
Communication of the registration of a transfer or change of name and/or address
Feb 16, 2022
Annexes in respect of a client data request
Feb 16, 2022
Letter accompanying subsequently filed items
Feb 16, 2022
Submission concerning change of applicant's name
Dec 17, 2021
Communication of the registration of a transfer or change of name and/or address
Dec 9, 2021
Annexes in respect of a client data request
Dec 9, 2021
Annexes in respect of a client data request
Dec 9, 2021
Letter accompanying subsequently filed items
Dec 9, 2021
Submission concerning a transfer of rights (applicant)
Aug 26, 2021
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Aug 9, 2021
Communication regarding the transmission of the European search report
Aug 9, 2021
European search opinion
Aug 9, 2021
Information on Search Strategy
Aug 9, 2021
Supplementary European search report
Jul 27, 2021
Search started
Mar 11, 2021
Notification of forthcoming publication
Feb 1, 2021
Copy of the international preliminary report on patentability
Feb 1, 2021
Translation of the international preliminary report on patentability
Dec 15, 2020
Communication to designated inventor
Dec 15, 2020
Communication to designated inventor
Dec 15, 2020
Confirmation of effective date of early entry
Dec 15, 2020
Request for a change to the title of the invention
Dec 1, 2020
(Electronic) Receipt
Dec 1, 2020
Abstract
Dec 1, 2020
Claims
Dec 1, 2020
Description
Dec 1, 2020
Drawings
Dec 1, 2020
Request for entry into the European phase
Nov 20, 2020
Information on entry into European phase
Feb 4, 2020
Priority document (electronically transmitted)
Jan 16, 2020
Copy of the international search report
Jan 16, 2020
Copy of the translated international search report
Jan 16, 2020
International publication pamphlet

EP3800699

LG CHEM

Application Number: EP19833777A
Filing Date: Jul 12, 2019
Status: Intended To Grant; May 7, 2025
Publication Date: Apr 7, 2021
External Links: Slate, Register , Google Patents

IP Verse

Separator For Electrochemical Device, And Electrochemical Device Comprising Same

Patent Summary

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Dossier Documents

EP3800699