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Extract from the Register of European Patents

EP About this file: EP4318742

EP4318742 - BATTERY CASE, BATTERY USING BATTERY CASE, AND ELECTRONIC DEVICE USING BATTERY [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  05.01.2024
Database last updated on 18.03.2026
FormerThe international publication has been made
Status updated on  30.12.2022
Most recent event   Tooltip14.08.2025Supplementary search reportpublished on 10.09.2025  [2025/37]
Applicant(s)For all designated states
BYD Company Limited
No. 3009, BYD Road
Pingshan
Shenzhen, Guangdong 518118 / CN
[2024/06]
Inventor(s)01 / LUAN, Yanping
Shenzhen, Guangdong 518118 / CN
02 / GU, Liangliang
Shenzhen, Guangdong 518118 / CN
03 / WANG, Bing
Shenzhen, Guangdong 518118 / CN
04 / WEI, Yanwei
Shenzhen, Guangdong 518118 / CN
 [2024/06]
Representative(s)Dehns Germany Partnerschaft mbB
Theresienstraße 6-8
80333 München / DE
[N/P]
Former [2024/06]DehnsGermany Partnerschaft von Patentanwälten
Theresienstraße 6-8
80333 München / DE
Application number, filing date22827310.827.05.2022
[2024/06]
WO2022CN95400
Priority number, dateCN20211069926023.06.2021         Original published format: CN202110699260
[2024/06]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022267813
Date:29.12.2022
Language:ZH
[2022/52]
Type: A1 Application with search report 
No.:EP4318742
Date:07.02.2024
Language:EN
[2024/06]
Search report(s)International search report - published on:CN29.12.2022
(Supplementary) European search report - dispatched on:EP13.08.2025
ClassificationIPC:H01M50/103, H01M50/166
[2024/06]
CPC:
H01M50/103 (EP,CN,KR,US); H01M50/15 (EP,CN,KR,US); H01M50/166 (EP,CN,KR);
H01M50/169 (EP,US); H01M50/636 (EP,US); H01M2220/20 (EP,KR);
H01M2220/30 (EP,KR,US); Y02E60/10 (EP,KR) (-)
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 [2024/06]
TitleGerman:BATTERIEGEHÄUSE, BATTERIE MIT DEM BATTERIEGEHÄUSE UND ELEKTRONISCHE VORRICHTUNG MIT VERWENDUNG DER BATTERIE[2024/06]
English:BATTERY CASE, BATTERY USING BATTERY CASE, AND ELECTRONIC DEVICE USING BATTERY[2024/06]
French:COMPARTIMENT DE BATTERIE, BATTERIE UTILISANT UN COMPARTIMENT DE BATTERIE, ET DISPOSITIF ÉLECTRONIQUE UTILISANT UNE BATTERIE[2024/06]
Entry into regional phase31.10.2023Translation filed 
31.10.2023National basic fee paid 
31.10.2023Search fee paid 
31.10.2023Designation fee(s) paid 
31.10.2023Examination fee paid 
Examination procedure31.10.2023Amendment by applicant (claims and/or description)
31.10.2023Examination requested  [2024/06]
Fees paidRenewal fee
27.05.2024Renewal fee patent year 03
28.05.2025Renewal fee patent year 04
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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.
Documents cited:Search[XA] JPH1097850  (MITSUBISHI PLASTICS IND et al.) [X] 1-5,13-15 * figure 7 * * paragraph [0016] *[A] 12
 [A] US2014308555  (HATTORI TAKAYUKI et al.) [A] 1-5,12-15 * the whole document *
International search[X] CN208690317  (DONGGUAN TAFEL NEW ENERGY TECH CO LTD et al.) [X] 1-15 * description, paragraphs 2-33, and figures 1-2 *
 [XY] JPH1097850  (MITSUBISHI PLASTICS IND et al.) [X] 1-5, 12-15 * description, paragraphs 3-16, and figures 1-7 *[Y] 6-11
 [XY] JP2001035451  (MITSUBISHI CHEM CORP et al.) [X] 1-5, 12-15 * description, paragraphs 5-43, and figures 1-6 *[Y] 6-11
 [Y] CN103765629  (SANYO ELECTRIC CO et al.) [Y] 6-11 * description, paragraphs 19-64, and figures 1A-6 *
 [A] CN112498842  (ZHENGZHOU INST TECH et al.) [A] 1-15 * 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.