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Extract from the Register of European Patents

EP About this file: EP4024059

EP4024059 - CIRCUIT FOR ALTERNATING CURRENT AND DIRECT CURRENT LEAKAGE DETECTION [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.06.2024
Database last updated on 10.08.2024
FormerThe patent has been granted
Status updated on  21.07.2023
FormerGrant of patent is intended
Status updated on  13.03.2023
FormerRequest for examination was made
Status updated on  03.06.2022
FormerThe international publication has been made
Status updated on  17.04.2021
Most recent event   Tooltip26.07.2024Lapse of the patent in a contracting state
New state(s): CH
published on 28.08.2024 [2024/35]
Applicant(s)For all designated states
Qingdao Topscomm Communication Co., Ltd
858
Huaguan Rd., Hi-tech District
Qingdao, Shandong 266000 / CN
[2022/27]
Inventor(s)01 / YAN, Chengwen
858 Huaguan Rd., Hi-tech District
Qingdao, Shandong 266000 / CN
02 / WANG, Jianhua
858 Huaguan Rd., Hi-tech District
Qingdao, Shandong 266000 / CN
03 / LIU, Zhen
858 Huaguan Rd., Hi-tech District
Qingdao, Shandong 266000 / CN
 [2022/27]
Representative(s)Kolster Oy Ab
Salmisaarenaukio 1
P.O. Box 204
00181 Helsinki / FI
[2022/27]
Application number, filing date20875192.530.09.2020
[2022/27]
WO2020CN119325
Priority number, dateCN20191095473009.10.2019         Original published format: CN201910954730
[2022/27]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021068833
Date:15.04.2021
Language:ZH
[2021/15]
Type: A1 Application with search report 
No.:EP4024059
Date:06.07.2022
Language:EN
[2022/27]
Type: B1 Patent specification 
No.:EP4024059
Date:23.08.2023
Language:EN
[2023/34]
Search report(s)International search report - published on:CN15.04.2021
(Supplementary) European search report - dispatched on:EP14.10.2022
ClassificationIPC:G01R31/52, H02H3/33, G01R15/18, G01R19/00
[2022/46]
CPC:
G01R31/52 (EP,US); G01R19/25 (CN); G01R19/0015 (EP);
H02H3/17 (EP); G01R15/185 (EP); H02H1/003 (EP);
H02H3/332 (EP); Y02T10/70 (EP) (-)
Former IPC [2022/27]G01R31/00, G01R19/25
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 [2022/27]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:SCHALTUNG ZUR WECHSELSTROM- UND GLEICHSTROMLECKDETEKTION[2022/27]
English:CIRCUIT FOR ALTERNATING CURRENT AND DIRECT CURRENT LEAKAGE DETECTION[2022/27]
French:CIRCUIT DE DÉTECTION DE FUITE DE COURANT ALTERNATIF ET DE COURANT CONTINU[2022/27]
Entry into regional phase31.03.2022Translation filed 
31.03.2022National basic fee paid 
31.03.2022Search fee paid 
31.03.2022Designation fee(s) paid 
31.03.2022Examination fee paid 
Examination procedure31.03.2022Examination requested  [2022/27]
08.11.2022Date on which the examining division has become responsible
14.03.2023Communication of intention to grant the patent
12.07.2023Fee for grant paid
12.07.2023Fee for publishing/printing paid
12.07.2023Receipt of the translation of the claim(s)
Opposition(s)24.05.2024No opposition filed within time limit [2024/31]
Fees paidRenewal fee
31.03.2022Renewal 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.
Lapses during opposition  TooltipCZ23.08.2023
ES23.08.2023
HR23.08.2023
MC23.08.2023
PL23.08.2023
RO23.08.2023
RS23.08.2023
SK23.08.2023
SM23.08.2023
CH30.09.2023
IE30.09.2023
NO23.11.2023
GR24.11.2023
IS23.12.2023
[2024/35]
Former [2024/33]CZ23.08.2023
ES23.08.2023
HR23.08.2023
MC23.08.2023
PL23.08.2023
RO23.08.2023
RS23.08.2023
SK23.08.2023
SM23.08.2023
IE30.09.2023
NO23.11.2023
GR24.11.2023
IS23.12.2023
Former [2024/28]CZ23.08.2023
ES23.08.2023
HR23.08.2023
MC23.08.2023
PL23.08.2023
RO23.08.2023
RS23.08.2023
SK23.08.2023
SM23.08.2023
NO23.11.2023
GR24.11.2023
IS23.12.2023
Former [2024/23]CZ23.08.2023
ES23.08.2023
HR23.08.2023
PL23.08.2023
RO23.08.2023
RS23.08.2023
SK23.08.2023
SM23.08.2023
NO23.11.2023
GR24.11.2023
IS23.12.2023
Former [2024/20]HR23.08.2023
PL23.08.2023
RS23.08.2023
SM23.08.2023
NO23.11.2023
GR24.11.2023
IS23.12.2023
Former [2024/10]HR23.08.2023
PL23.08.2023
RS23.08.2023
NO23.11.2023
GR24.11.2023
IS23.12.2023
Former [2024/09]NO23.11.2023
GR24.11.2023
IS23.12.2023
Former [2024/08]NO23.11.2023
GR24.11.2023
Documents cited:Search[A]US2014022686  (MEISEL RAINER [AT], et al) [A] 1-13 * paragraphs [0013] - [0055]; figure 1; claims 1-17 *;
 [A]EP3242369  (LSIS CO LTD [KR]) [A] 1-13 * paragraphs [0026] - [0108]; figures 1-8; claims 1-10 *;
 [A]US2018056802  (MARTEL JEAN MARY [DE], et al) [A] 1-13 * paragraphs [0055] - [0083]; figures 1-3; claims 1-29D *;
 [A]DE102019202474  (SIEMENS AG [DE]) [A] 1-13* paragraphs [0049] - [0088]; figures 1-10; claims 1-18 *
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.