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Extract from the Register of European Patents

EP About this file: EP4369499

EP4369499 - TOP COVER ASSEMBLY, BATTERY, AND ELECTRIC DEVICE [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  31.10.2025
Database last updated on 26.03.2026
FormerGrant of patent is intended
Status updated on  16.09.2025
FormerRequest for examination was made
Status updated on  12.04.2024
FormerThe international publication has been made
Status updated on  07.10.2023
Most recent event   Tooltip31.10.2025(Expected) grantpublished on 03.12.2025  [2025/49]
Applicant(s)For all designated states
Contemporary Amperex Technology (Hong Kong) Limited
Level 19, China Building
29 Queen's Road Central
Central, Central And Western District / HK
[2024/40]
Former [2024/20]For all designated states
Contemporary Amperex Technology Co., Limited
2 Xingang Road, Zhangwan Town
Jiaocheng District
Ningde, Fujian 352100 / CN
Inventor(s)01 / WU, Yukun
Ningde, Fujian 352100 / CN
02 / ZHANG, Xiaoping
Ningde, Fujian 352100 / CN
03 / XU, Wenzhu
Ningde, Fujian 352100 / CN
 [2024/20]
Representative(s)Lorenz Seidler Gossel Part. mbB
Widenmayerstr. 23
80538 München / DE
[2025/49]
Former [2024/20]Herrmann, Uwe
Lorenz Seidler Gossel
Rechtsanwälte Patentanwälte
Partnerschaft mbB
Widenmayerstraße 23
80538 München / DE
Application number, filing date23777602.618.01.2023
[2024/20]
WO2023CN72860
Priority number, dateCN202220730192U31.03.2022         Original published format: CN 202220730192 U
[2024/20]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023185223
Date:05.10.2023
Language:ZH
[2023/40]
Type: A1 Application with search report 
No.:EP4369499
Date:15.05.2024
Language:EN
[2024/20]
Type: B1 Patent specification 
No.:EP4369499
Date:03.12.2025
Language:EN
[2025/49]
Search report(s)International search report - published on:CN05.10.2023
(Supplementary) European search report - dispatched on:EP18.11.2024
ClassificationIPC:H01M50/271, H01M50/147, H01M50/244, H01M50/591, H01M50/593
[2024/51]
CPC:
H01M50/244 (EP); H01M50/169 (US); H01M50/103 (US);
H01M50/147 (EP); H01M50/15 (US); H01M50/271 (EP);
H01M50/591 (EP); H01M50/593 (EP); Y02E60/10 (EP) (-)
Former IPC [2024/20]H01M50/271
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 [2024/20]  
Extension statesBANot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:ABDECKUNGSANORDNUNG, BATTERIE UND ELEKTRISCHE VORRICHTUNG[2024/20]
English:TOP COVER ASSEMBLY, BATTERY, AND ELECTRIC DEVICE[2024/20]
French:ENSEMBLE COUVERCLE SUPÉRIEUR, BATTERIE ET DISPOSITIF ÉLECTRIQUE[2024/20]
Entry into regional phase06.02.2024Translation filed 
06.02.2024National basic fee paid 
06.02.2024Search fee paid 
06.02.2024Designation fee(s) paid 
06.02.2024Examination fee paid 
Examination procedure06.02.2024Examination requested  [2024/20]
08.05.2025Amendment by applicant (claims and/or description)
08.05.2025Date on which the examining division has become responsible
17.09.2025Communication of intention to grant the patent
28.10.2025Fee for grant paid
28.10.2025Fee for publishing/printing paid
28.10.2025Receipt of the translation of the claim(s)
Fees paidRenewal fee
19.12.2024Renewal fee patent year 03
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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[A] US2017047571  (IWASAKI MIZUO et al.) [A] 1-10 * paragraphs [0080] - [0082] - [0091]; figures 1-5 *
 [A] US2019363316  (LEE HYUNSOO et al.) [A] 1-10 * paragraphs [0048] - [0050]; figures 1-6 *
International search[PX] CN217182353  (NINGDE CONTEMPORARY AMPEREX TECH CO LTD et al.) [PX] 1-10 * claims 1-10 *
 [A] CN210576107  (NINGDE CONTEMPORARY AMPEREX TECH CO LTD et al.) [A] 1-10 * description, paragraphs 55-73, and figures 1 and 12 *
 [A] CN214589019  (NINGDE CONTEMPORARY AMPEREX TECH CO LTD et al.) [A] 1-10 * entire document *
 [A] WO2020151473  (BYD CO LTD et al.) [A] 1-10 * entire document *
 [A] WO2022007481  (DONGGUAN TAFEL NEW ENERGY TECH CO LTD et al.) [A] 1-10 * entire document *
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.