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Extract from the Register of European Patents

EP About this file: EP4040541

EP4040541 - POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  20.06.2025
Database last updated on 26.03.2026
FormerGrant of patent is intended
Status updated on  26.03.2025
FormerRequest for examination was made
Status updated on  08.07.2022
FormerThe international publication has been made
Status updated on  10.04.2021
Most recent event   Tooltip20.03.2026Lapse of the patent in a contracting state
New state(s): RO		published on 22.04.2026 [2026/17]
Applicant(s)For all designated states
Panasonic Intellectual Property Management Co., Ltd.
1-61, Shiromi 2-chome
Chuo-ku
Osaka-shi, Osaka 540-6207 / JP
[2022/32]
Inventor(s)01 / KAWADA, Hiroshi
c/o Panasonic Intellectual
Property Management Co., Ltd.
1-61, Shiromi 2-chome, Chuo-ku
Osaka-shi, Osaka 540-6207 / JP
02 / MURATA, Akiko
c/o Panasonic Intellectual
Property Management Co., Ltd.
1-61, Shiromi 2-chome, Chuo-ku
Osaka-shi, Osaka 540-6207 / JP
03 / HIBINO, Mitsuhiro
c/o Panasonic Intellectual
Property Management Co., Ltd.
1-61, Shiromi 2-chome, Chuo-ku
Osaka-shi, Osaka 540-6207 / JP
 [2022/32]
Representative(s)Novagraaf International SA
Chemin de l'Echo 3
1213 Onex, Geneva / CH
[2022/32]
Application number, filing date20872573.929.09.2020
[2022/32]
WO2020JP36800
Priority number, dateJP2019017978630.09.2019         Original published format: JP 2019179786
[2022/32]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021065860
Date:08.04.2021
Language:JA
[2021/14]
Type: A1 Application with search report 
No.:EP4040541
Date:10.08.2022
Language:EN
[2022/32]
Type: B1 Patent specification 
No.:EP4040541
Date:23.07.2025
Language:EN
[2025/30]
Search report(s)International search report - published on:JP08.04.2021
(Supplementary) European search report - dispatched on:EP03.11.2022
ClassificationIPC:H01M4/505, H01M4/525, H01M10/052, C01G53/00
[2022/48]
CPC:
C01G53/52 (EP); H01M4/505 (EP,CN,US); H01M4/525 (EP,CN,US);
C01G53/54 (US); H01M10/052 (CN); H01M10/0525 (EP,US);
H01M10/058 (CN); H01M4/485 (CN); C01P2006/40 (EP);
H01M2004/028 (EP,US); Y02E60/10 (EP); Y02P70/50 (EP) (-)
Former IPC [2022/32]H01M4/505, H01M4/525, H01M10/052
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 [2022/32]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:POSITIVELEKTRODENAKTIVMATERIAL FÜR SEKUNDÄRBATTERIEN MIT WASSERFREIEM ELEKTROLYT UND SEKUNDÄRBATTERIE MIT WASSERFREIEM ELEKTROLYT[2022/32]
English:POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY[2022/32]
French:MATÉRIAU ACTIF D'ÉLECTRODE POSITIVE POUR BATTERIES SECONDAIRES À ÉLECTROLYTE NON AQUEUX, ET BATTERIE SECONDAIRE À ÉLECTROLYTE NON AQUEUX[2022/32]
Entry into regional phase24.03.2022Translation filed 
24.03.2022National basic fee paid 
24.03.2022Search fee paid 
24.03.2022Designation fee(s) paid 
24.03.2022Examination fee paid 
Examination procedure24.03.2022Examination requested  [2022/32]
10.05.2023Amendment by applicant (claims and/or description)
10.05.2023Date on which the examining division has become responsible
27.03.2025Communication of intention to grant the patent
17.06.2025Fee for grant paid
17.06.2025Fee for publishing/printing paid
17.06.2025Receipt of the translation of the claim(s)
Fees paidRenewal fee
27.09.2022Renewal fee patent year 03
26.09.2023Renewal fee patent year 04
25.09.2024Renewal fee patent year 05
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipAT23.07.2025
BG23.07.2025
ES23.07.2025
FI23.07.2025
HR23.07.2025
LV23.07.2025
NL23.07.2025
PL23.07.2025
RO23.07.2025
SE23.07.2025
NO23.10.2025
RS23.10.2025
GR24.10.2025
IS23.11.2025
PT24.11.2025
[2026/17]
Former [2026/11]AT23.07.2025
BG23.07.2025
ES23.07.2025
FI23.07.2025
HR23.07.2025
LV23.07.2025
NL23.07.2025
PL23.07.2025
SE23.07.2025
NO23.10.2025
RS23.10.2025
GR24.10.2025
IS23.11.2025
PT24.11.2025
Former [2026/10]AT23.07.2025
BG23.07.2025
FI23.07.2025
HR23.07.2025
LV23.07.2025
NL23.07.2025
PL23.07.2025
SE23.07.2025
NO23.10.2025
RS23.10.2025
GR24.10.2025
IS23.11.2025
PT24.11.2025
Former [2026/09]AT23.07.2025
FI23.07.2025
HR23.07.2025
LV23.07.2025
NL23.07.2025
SE23.07.2025
NO23.10.2025
GR24.10.2025
IS23.11.2025
PT24.11.2025
Former [2026/08]AT23.07.2025
FI23.07.2025
HR23.07.2025
NL23.07.2025
NO23.10.2025
IS23.11.2025
PT24.11.2025
Former [2026/07]NL23.07.2025
IS23.11.2025
PT24.11.2025
Former [2026/05]NL23.07.2025
PT24.11.2025
Former [2026/03]PT24.11.2025
Documents cited:Search[Y] JP2018152256  (GS YUASA CORP et al.) [Y] 1-4 * examples 1-2,4-2; table 4 *
 [Y] WO2016088292  (SONY CORP et al.) [Y] 1-4 * examples 7-8; table 4 *
 [I] JP2017084521  (HITACHI CHEMICAL CO LTD et al.) [I] 1-4 * LiNi0.48Mn1.40Ge0.1Mg0.02; example GM_A; table 6 * * examples G6,GF_1, GF_2; table 5 * * example TU; table 3 * * examples G1-GD; table 1 *
 [Y]   TANG MANJING ET AL: "Overall structural modification of a layered Ni-rich cathode for enhanced cycling stability and rate capability at high voltage", JOURNAL OF MATERIALS CHEMISTRY A, vol. 7, no. 11, 12 March 2019 (2019-03-12), GB, pages 6080 - 6089, XP055965350, ISSN: 2050-7488, DOI: 10.1039/C8TA12494A [Y] 1-4 * page 6082, paragraph 3.1 *

DOI:   http://dx.doi.org/10.1039/C8TA12494A
International search[A] JP2018120705  (SAMSUNG ELECTRONICS CO LTD et al.) [A] 1-4 * paragraphs [0096]-[0102], [0106], [0110]-[0111], table 1 *
 [A] JPH11191416  (MITSUBISHI CABLE IND LTD et al.) [A] 1-4 * paragraph [0021] *
 [A] JP2017033817  (HITACHI CHEMICAL CO LTD et al.) [A] 1-4 * paragraphs [0073]-[0076], table 1 *
 [A] WO2012043566  (TOYOTA MOTOR CO LTD et al.) [A] 1-4 * paragraphs [0152]-[0154] *
 [A] JP2013149433  (TOYOTA MOTOR CORP et al.) [A] 1-4 * paragraphs [0113]-[0114] *
by applicantJP2017033817
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.