Extract from the Register of European Patents

EP About this file: EP4535461

EP4535461 - POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY MANUFACTURED USING SAME [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  07.03.2025
Database last updated on 26.03.2026
FormerThe international publication has been made
Status updated on  18.05.2024
Most recent event   Tooltip09.01.2026Change: Validation statespublished on 11.02.2026  [2026/07]
09.01.2026Change - extension statespublished on 11.02.2026  [2026/07]
Applicant(s)For all designated states
LG Energy Solution, Ltd.
Tower 1, 108, Yeoui-daero
Yeongdeungpo-gu
Seoul 07335 / KR
[2025/15]
Inventor(s)01 / PARK, Jeong Hwa
Daejeon 34122 / KR
02 / CHOI, Jung Hun
Daejeon 34122 / KR
03 / KWON, O Jong
Daejeon 34122 / KR
04 / KIM, Ki Woong
Daejeon 34122 / KR
05 / AN, In Gu
Daejeon 34122 / KR
06 / KIM, Kwang Jin
Daejeon 34122 / KR
07 / LEE, Da Young
Daejeon 34122 / KR
08 / SUNG, Jin Su
Daejeon 34122 / KR
09 / HAN, Geum Jae
Daejeon 34122 / KR
 [2025/15]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2025/15]
Application number, filing date23889101.407.11.2023
[2025/15]
WO2023KR17725
Priority number, dateKR2022014705007.11.2022         Original published format: KR 20220147050
KR2023015211206.11.2023         Original published format: KR 20230152112
[2025/15]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2024101841
Date:16.05.2024
Language:KO
[2024/20]
Type: A1 Application with search report 
No.:EP4535461
Date:09.04.2025
Language:EN
[2025/15]
Search report(s)International search report - published on:KR16.05.2024
(Supplementary) European search report - dispatched on:EP27.11.2025
ClassificationIPC:H01M4/36, H01M4/58, H01M4/525, H01M4/505, H01M4/136, H01M4/131, H01M10/052, H01M4/02, H01M4/62, H01M10/0525
[2026/01]
CPC:
H01M4/505 (EP); H01M10/0525 (EP); H01M4/131 (EP);
H01M4/136 (EP); H01M4/364 (EP); H01M4/366 (EP);
H01M4/525 (EP); H01M4/5825 (EP); H01M4/625 (EP);
H01M2004/021 (EP); Y02E60/10 (EP) (-)
Former IPC [2025/15]H01M4/36, H01M4/58, H01M4/525, H01M4/505, H01M4/136, H01M4/131, H01M10/052, H01M4/02
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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/15]
TitleGerman:POSITIVELEKTRODE UND DAMIT HERGESTELLTE LITHIUMSEKUNDÄRBATTERIE[2025/15]
English:POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY MANUFACTURED USING SAME[2025/15]
French:ÉLECTRODE POSITIVE ET BATTERIE SECONDAIRE AU LITHIUM FABRIQUÉE À L'AIDE DE CELLE-CI[2025/15]
Entry into regional phase31.12.2024Translation filed 
31.12.2024National basic fee paid 
31.12.2024Search fee paid 
31.12.2024Designation fee(s) paid 
31.12.2024Examination fee paid 
Examination procedure31.12.2024Amendment by applicant (claims and/or description)
31.12.2024Examination requested  [2025/15]
Fees paidRenewal fee
24.11.2025Renewal fee patent year 03
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Documents cited:Search[XI] EP2498323  (SAMSUNG SDI CO LTD et al.) [X] 1-11,13 * claims 1,11,13 * * paragraphs [0017] - [0020] - [0028] - [0031] - [34.35] , [0037] , [0046] * * tables 1, 2 * * example 1 *[I] 12
 [PXA] EP4224579  (CONTEMPORARY AMPEREX TECHNOLOGY CO LTD et al.) [PX] 1,3-8,10,13 * claims 1, 9, 10 * * tables 2-5 *[A] 2,11-12
 [A] CN115066767  (ZHUHAI COSMX BATTERY CO LTD et al.) [A] 1-13 * example 1 *
 [A] KR20180013512  (LG CHEMICAL LTD et al.) [A] 1-13 * paragraph [0079] *
International search[X] KR20100131921  (LG CHEMICAL LTD et al.) [X] 1-14 * See paragraphs [0019], [0041]-[0043], [0045]-[0047], [0061], [0066], [0075]-[0076] and [0090]. *
 [A] US9306214  (NISHIYAMA HIROO et al.) [A] 1-14 * See entire document. *
 [A] KR102111013  (인천대학교 산학협력단) [A] 1-14 * See entire document. *
 [A] KR101572454  (주식회사 엘지화학) [A] 1-14 * See entire document. *
 [A] KR20140131336  (SHIN KOBE ELECTRIC MACHINERY et al.) [A] 1-14 * See entire document. *
by applicantKR20220147050
 KR20230152112
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