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Extract from the Register of European Patents

EP About this file: EP4325621

EP4325621 - NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY COMPRISING SAME [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  19.01.2024
Database last updated on 18.03.2026
FormerThe international publication has been made
Status updated on  20.01.2023
Most recent event   Tooltip23.07.2025New entry: Renewal fee paid 
Applicant(s)For all designated states
LG Energy Solution, Ltd.
Tower 1, 108, Yeoui-daero
Yeongdeungpo-gu
Seoul 07335 / KR
[2024/08]
Inventor(s)01 / OH, Jeong Woo
Daejeon 34122 / KR
02 / PARK, Sung Guk
Daejeon 34122 / KR
03 / LEE, Chul Haeng
Daejeon 34122 / KR
 [2024/08]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2024/08]
Application number, filing date22842504.715.07.2022
[2024/08]
WO2022KR10350
Priority number, dateKR2021009349916.07.2021         Original published format: KR 20210093499
[2024/08]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023287242
Date:19.01.2023
Language:KO
[2023/03]
Type: A1 Application with search report 
No.:EP4325621
Date:21.02.2024
Language:EN
[2024/08]
Search report(s)International search report - published on:KR19.01.2023
(Supplementary) European search report - dispatched on:EP16.10.2024
ClassificationIPC:H01M10/0567, H01M10/052, H01M4/525, H01M10/0525, H01M10/0569
[2024/46]
CPC:
H01M10/052 (EP,KR,US); H01M10/0567 (EP,KR,US); H01M10/0525 (EP);
H01M10/0568 (EP); H01M10/0569 (EP,US); H01M4/0404 (US);
H01M4/525 (EP,KR,US); H01M2004/028 (US); H01M2300/0028 (EP);
Y02E60/10 (EP) (-)
Former IPC [2024/08]H01M10/0567, H01M10/052, H01M4/525
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2024/08]
TitleGerman:WASSERFREIE ELEKTROLYTLÖSUNG UND LITHIUMSEKUNDÄRBATTERIE DAMIT[2024/08]
English:NONAQUEOUS ELECTROLYTE SOLUTION AND LITHIUM SECONDARY BATTERY COMPRISING SAME[2024/08]
French:SOLUTION ÉLECTROLYTIQUE NON AQUEUSE ET BATTERIE SECONDAIRE AU LITHIUM LA COMPRENANT[2024/08]
Entry into regional phase16.11.2023Translation filed 
16.11.2023National basic fee paid 
16.11.2023Search fee paid 
16.11.2023Designation fee(s) paid 
16.11.2023Examination fee paid 
Examination procedure16.11.2023Examination requested  [2024/08]
02.05.2025Amendment by applicant (claims and/or description)
02.05.2025Date on which the examining division has become responsible
Fees paidRenewal fee
23.07.2024Renewal fee patent year 03
22.07.2025Renewal fee patent year 04
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[IA] JP2002270228  (SONY CORP et al.) [I] 1-5,10-15 * claims 1, 2 * * paragraphs [0004] , [0 13] , [0 14] , [0 50] - [0058] - [0 60] , [0 61] , [0 78] *[A] 6-9
International search[XYA] JP2002270228  (SONY CORP et al.) [X] 1-5,10-12,14,15 * See claim 1; and paragraphs [0003], [0010], [0013], [0014], [0050], [0051], [0056], [0060], [0061] and [0078]. *[Y] 13 [A] 6-9
 [Y] KR20200126781  (LG CHEMICAL LTD et al.) [Y] 13 * See paragraphs [0062]-[0065], [0067] and [0068]. *
 [A] JP2004014248  (SONY CORP et al.) [A] 1-15 * See entire document. *
 [A] US4579796  (MURAMATSU HIROMOCHI et al.) [A] 1-15 * See entire document. *
 [A] WO2015030196  (UNIV KYOTO et al.) [A] 1-15 * See entire document. *
by applicantKR20210093499
 US2018316061
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.