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Extract from the Register of European Patents

EP About this file: EP3800725

EP3800725 - THERMAL RUNAWAY DETECTION METHOD, DEVICE AND SYSTEM FOR BATTERIES, AND BATTERY MANAGEMENT UNIT [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  25.08.2023
Database last updated on 05.10.2024
FormerThe patent has been granted
Status updated on  16.09.2022
FormerGrant of patent is intended
Status updated on  31.07.2022
FormerExamination is in progress
Status updated on  11.02.2022
FormerRequest for examination was made
Status updated on  05.03.2021
FormerThe international publication has been made
Status updated on  06.11.2020
Most recent event   Tooltip15.03.2024Lapse of the patent in a contracting state
New state(s): MC		published on 17.04.2024  [2024/16]
Applicant(s)For all designated states
Contemporary Amperex Technology Co., Limited
2 Xingang Road, Zhangwan Town
Jiaocheng District
Ningde, Fujian 352100 / CN
[2021/14]
Inventor(s)01 / WANG, Xiao
No. 2, Xingang Road, Zhangwan Town
Jiaocheng District
Ningde, Fujian 352100 / CN
02 / ZENG, Chao
No. 2, Xingang Road, Zhangwan Town
Jiaocheng District
Ningde, Fujian 352100 / CN
03 / XU, Jia
No. 2, Xingang Road, Zhangwan Town
Jiaocheng District
Ningde, Fujian 352100 / CN
04 / DAN, Zhimin
No. 2, Xingang Road, Zhangwan Town
Jiaocheng District
Ningde, Fujian 352100 / CN
05 / HOU, Yizhen
No. 2, Xingang Road, Zhangwan Town
Jiaocheng District
Ningde, Fujian 352100 / CN
06 / ZHANG, Wei
No. 2, Xingang Road, Zhangwan Town
Jiaocheng District
Ningde, Fujian 352100 / CN
07 / HU, Guoliang
No. 2, Xingang Road, Zhangwan Town
Jiaocheng District
Ningde, Fujian 352100 / CN
 [2021/14]
Representative(s)Frick, Robert
Lorenz Seidler Gossel
Rechtsanwälte Patentanwälte
Partnerschaft mbB
Widenmayerstraße 23
80538 München / DE
[2021/14]
Application number, filing date19926818.613.08.2019
[2021/14]
WO2019CN100445
Priority number, dateCN20191036184130.04.2019         Original published format: CN201910361841
[2021/14]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020220512
Date:05.11.2020
Language:ZH
[2020/45]
Type: A1 Application with search report 
No.:EP3800725
Date:07.04.2021
Language:EN
[2021/14]
Type: B1 Patent specification 
No.:EP3800725
Date:19.10.2022
Language:EN
[2022/42]
Search report(s)International search report - published on:CN05.11.2020
(Supplementary) European search report - dispatched on:EP15.09.2021
ClassificationIPC:H01M10/48, H01M10/42, B60L58/24, B60L3/00
[2021/41]
CPC:
B60L58/24 (EP,US); H01M10/4207 (EP,CN); H01M10/486 (EP,CN,US);
B60L3/0046 (EP); H01M10/425 (EP,CN); H01M10/4257 (EP,US);
H01M10/4285 (CN); H01M10/48 (EP); H01M10/482 (CN);
H01M10/488 (CN); B60L2240/545 (EP); B60L2250/10 (EP,US);
H01M2010/4271 (EP,CN,US); H01M2010/4278 (CN); H01M2220/20 (EP);
H01M50/569 (US); Y02E60/10 (EP); Y02T10/70 (EP) (-)
Former IPC [2021/14]H01M10/42
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 [2021/14]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VORRICHTUNG ZUR DETEKTION VON THERMISCHEM DURCHGEHEN, VORRICHTUNG UND SYSTEM FÜR BATTERIEN UND BATTERIEVERWALTUNGSEINHEIT[2021/14]
English:THERMAL RUNAWAY DETECTION METHOD, DEVICE AND SYSTEM FOR BATTERIES, AND BATTERY MANAGEMENT UNIT[2021/14]
French:PROCÉDÉ, DISPOSITIF ET SYSTÈME DE DÉTECTION D'EMBALLEMENT THERMIQUE POUR BATTERIES, ET UNITÉ DE GESTION DE BATTERIE[2021/14]
Entry into regional phase29.12.2020Translation filed 
29.12.2020National basic fee paid 
29.12.2020Search fee paid 
29.12.2020Designation fee(s) paid 
29.12.2020Examination fee paid 
Examination procedure29.12.2020Examination requested  [2021/14]
09.12.2021Amendment by applicant (claims and/or description)
11.02.2022Despatch of a communication from the examining division (Time limit: M04)
01.04.2022Reply to a communication from the examining division
01.08.2022Communication of intention to grant the patent
13.09.2022Fee for grant paid
13.09.2022Fee for publishing/printing paid
13.09.2022Receipt of the translation of the claim(s)
Opposition(s)20.07.2023No opposition filed within time limit [2023/39]
Fees paidRenewal fee
13.08.2021Renewal fee patent year 03
18.07.2022Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
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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  TooltipAL19.10.2022
AT19.10.2022
CZ19.10.2022
DK19.10.2022
EE19.10.2022
ES19.10.2022
FI19.10.2022
HR19.10.2022
LT19.10.2022
LV19.10.2022
MC19.10.2022
NL19.10.2022
PL19.10.2022
RO19.10.2022
RS19.10.2022
SE19.10.2022
SI19.10.2022
SK19.10.2022
SM19.10.2022
NO19.01.2023
GR20.01.2023
IS19.02.2023
PT20.02.2023
[2024/16]
Former [2023/51]AL19.10.2022
AT19.10.2022
CZ19.10.2022
DK19.10.2022
EE19.10.2022
ES19.10.2022
FI19.10.2022
HR19.10.2022
LT19.10.2022
LV19.10.2022
NL19.10.2022
PL19.10.2022
RO19.10.2022
RS19.10.2022
SE19.10.2022
SI19.10.2022
SK19.10.2022
SM19.10.2022
NO19.01.2023
GR20.01.2023
IS19.02.2023
PT20.02.2023
Former [2023/38]AL19.10.2022
AT19.10.2022
CZ19.10.2022
DK19.10.2022
EE19.10.2022
ES19.10.2022
FI19.10.2022
HR19.10.2022
LT19.10.2022
LV19.10.2022
NL19.10.2022
PL19.10.2022
RO19.10.2022
RS19.10.2022
SE19.10.2022
SK19.10.2022
SM19.10.2022
NO19.01.2023
GR20.01.2023
IS19.02.2023
PT20.02.2023
Former [2023/37]AL19.10.2022
AT19.10.2022
CZ19.10.2022
DK19.10.2022
EE19.10.2022
ES19.10.2022
FI19.10.2022
HR19.10.2022
LT19.10.2022
LV19.10.2022
NL19.10.2022
PL19.10.2022
RO19.10.2022
RS19.10.2022
SE19.10.2022
SM19.10.2022
NO19.01.2023
GR20.01.2023
IS19.02.2023
PT20.02.2023
Former [2023/35]AT19.10.2022
CZ19.10.2022
DK19.10.2022
EE19.10.2022
ES19.10.2022
FI19.10.2022
HR19.10.2022
LT19.10.2022
LV19.10.2022
NL19.10.2022
PL19.10.2022
RO19.10.2022
RS19.10.2022
SE19.10.2022
SM19.10.2022
NO19.01.2023
GR20.01.2023
IS19.02.2023
PT20.02.2023
Former [2023/34]AT19.10.2022
DK19.10.2022
EE19.10.2022
ES19.10.2022
FI19.10.2022
HR19.10.2022
LT19.10.2022
LV19.10.2022
NL19.10.2022
PL19.10.2022
RS19.10.2022
SE19.10.2022
SM19.10.2022
NO19.01.2023
GR20.01.2023
IS19.02.2023
PT20.02.2023
Former [2023/33]AT19.10.2022
DK19.10.2022
ES19.10.2022
FI19.10.2022
HR19.10.2022
LT19.10.2022
LV19.10.2022
NL19.10.2022
PL19.10.2022
RS19.10.2022
SE19.10.2022
SM19.10.2022
NO19.01.2023
GR20.01.2023
IS19.02.2023
PT20.02.2023
Former [2023/25]AT19.10.2022
ES19.10.2022
FI19.10.2022
HR19.10.2022
LT19.10.2022
LV19.10.2022
NL19.10.2022
PL19.10.2022
RS19.10.2022
SE19.10.2022
NO19.01.2023
GR20.01.2023
IS19.02.2023
PT20.02.2023
Former [2023/23]AT19.10.2022
ES19.10.2022
FI19.10.2022
LT19.10.2022
LV19.10.2022
NL19.10.2022
SE19.10.2022
NO19.01.2023
GR20.01.2023
PT20.02.2023
Former [2023/22]AT19.10.2022
ES19.10.2022
FI19.10.2022
LT19.10.2022
NL19.10.2022
SE19.10.2022
NO19.01.2023
PT20.02.2023
Former [2023/20]LT19.10.2022
NL19.10.2022
NO19.01.2023
Former [2023/17]NL19.10.2022
Documents cited:Search[XI]CN206022563U  (HENAN LI-POWER SUPPLY CO LTD)
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.