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Extract from the Register of European Patents

EP About this file: EP3614513

EP3614513 - DC GROUND FAULT DETECTION SYSTEM AND DC GROUND FAULT DETECTION METHOD FOR DC ELECTRIC RAILWAY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.09.2022
Database last updated on 21.08.2024
FormerThe patent has been granted
Status updated on  01.10.2021
FormerGrant of patent is intended
Status updated on  31.05.2021
FormerRequest for examination was made
Status updated on  24.01.2020
FormerThe international publication has been made
Status updated on  02.11.2018
Most recent event   Tooltip03.05.2024Lapse of the patent in a contracting state
New state(s): MK		published on 05.06.2024  [2024/23]
Applicant(s)For all designated states
Meidensha Corporation
1-1, Osaki 2-chome Shinagawa-ku
Tokyo 141-6029 / JP
[2020/09]
Inventor(s)01 / IKEDA, Hiroto
c/o MEIDENSHA CORPORATION
1-1, Osaki 2-chome
Shinagawa-ku
Tokyo 141-6029 / JP
02 / FUKUDA, Kazuo
c/o MEIDENSHA CORPORATION
1-1, Osaki 2-chome
Shinagawa-ku
Tokyo 141-6029 / JP
 [2020/09]
Representative(s)Manitz Finsterwald Patent- und Rechtsanwaltspartnerschaft mbB
Martin-Greif-Strasse 1
80336 München / DE
[2020/09]
Application number, filing date17907142.828.12.2017
[2020/09]
WO2017JP47213
Priority number, dateJP2017008674326.04.2017         Original published format: JP 2017086743
JP2017017998220.09.2017         Original published format: JP 2017179982
[2020/09]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018198438
Date:01.11.2018
Language:JA
[2018/44]
Type: A1 Application with search report 
No.:EP3614513
Date:26.02.2020
Language:EN
[2020/09]
Type: B1 Patent specification 
No.:EP3614513
Date:03.11.2021
Language:EN
[2021/44]
Search report(s)International search report - published on:JP01.11.2018
(Supplementary) European search report - dispatched on:EP03.12.2020
ClassificationIPC:H02H3/16, B60M3/00, H02H3/00, H02H7/26, // H02H3/38
[2021/01]
CPC:
H02H7/263 (EP); B60M3/00 (EP); H02H3/16 (EP);
H02H7/268 (EP); H02H3/006 (EP); H02H3/385 (EP)
Former IPC [2020/09]H02H3/16, B60M3/00, H02H3/00
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 [2020/09]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:GLEICHSTROM-ERDFEHLERDETEKTIONSSYSTEM UND GLEICHSTROM-ERDFEHLERDETEKTIONSVERFAHREN FÜR ELEKTRISCHE GLEICHSTROMSCHIENEN[2020/09]
English:DC GROUND FAULT DETECTION SYSTEM AND DC GROUND FAULT DETECTION METHOD FOR DC ELECTRIC RAILWAY[2020/09]
French:SYSTÈME ET PROCÉDÉ DE DÉTECTION DE DÉFAUT À LA TERRE DE COURANT CONTINU DE CHEMIN DE FER ÉLECTRIQUE À COURANT CONTINU[2020/09]
Entry into regional phase19.11.2019Translation filed 
19.11.2019National basic fee paid 
19.11.2019Search fee paid 
19.11.2019Designation fee(s) paid 
19.11.2019Examination fee paid 
Examination procedure19.11.2019Amendment by applicant (claims and/or description)
19.11.2019Examination requested  [2020/09]
01.06.2021Communication of intention to grant the patent
23.09.2021Fee for grant paid
23.09.2021Fee for publishing/printing paid
23.09.2021Receipt of the translation of the claim(s)
Opposition(s)04.08.2022No opposition filed within time limit [2022/41]
Fees paidRenewal fee
19.11.2019Renewal fee patent year 03
29.12.2020Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
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  TooltipHU28.12.2017
AL03.11.2021
AT03.11.2021
CY03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
MK03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE28.12.2021
LU28.12.2021
BE31.12.2021
FR03.01.2022
BG03.02.2022
GB03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
DE01.07.2022
[2024/23]
Former [2023/33]HU28.12.2017
AL03.11.2021
AT03.11.2021
CY03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE28.12.2021
LU28.12.2021
BE31.12.2021
FR03.01.2022
BG03.02.2022
GB03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
DE01.07.2022
Former [2023/30]AL03.11.2021
AT03.11.2021
CY03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE28.12.2021
LU28.12.2021
BE31.12.2021
FR03.01.2022
BG03.02.2022
GB03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
DE01.07.2022
Former [2023/27]AL03.11.2021
AT03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE28.12.2021
LU28.12.2021
BE31.12.2021
FR03.01.2022
BG03.02.2022
GB03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
DE01.07.2022
Former [2023/08]AL03.11.2021
AT03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE28.12.2021
LU28.12.2021
BE31.12.2021
FR03.01.2022
BG03.02.2022
GB03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
DE01.07.2022
Former [2023/01]AL03.11.2021
AT03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
IE28.12.2021
LU28.12.2021
BE31.12.2021
FR03.01.2022
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
DE01.07.2022
Former [2022/49]AL03.11.2021
AT03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
IE28.12.2021
LU28.12.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
DE01.07.2022
Former [2022/48]AT03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
IE28.12.2021
LU28.12.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
DE01.07.2022
Former [2022/47]AT03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
LU28.12.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
DE01.07.2022
Former [2022/46]AT03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
LU28.12.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/39]AT03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/35]AT03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/34]AT03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/33]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RS03.11.2021
SE03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/25]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RS03.11.2021
SE03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/24]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RS03.11.2021
SE03.11.2021
BG03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/23]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
PL03.11.2021
RS03.11.2021
BG03.02.2022
PT03.03.2022
Former [2022/22]AT03.11.2021
FI03.11.2021
LT03.11.2021
RS03.11.2021
BG03.02.2022
Former [2022/21]AT03.11.2021
RS03.11.2021
BG03.02.2022
Former [2022/19]BG03.02.2022
Documents cited:Search[A]KR100694279B  (KRRI [KR]) [A] 1-13 * the whole document *;
 [A]KR101080265B  (KRRI [KR]) [A] 1-13 * the whole document *;
 [A]EP2784891  (TOSHIBA KK [JP]) [A] 1-13 * paragraphs [0018] - [0029]; figure 1 *
International search[A]JP2015067241  (TOSHIBA CORP) [A] 1-13 * , entire text, all drawings (Family: none) *;
 [A]JP2011055685  (RAILWAY TECHNICAL RES INST) [A] 1-13 * , entire text, all drawings (Family: none) *;
 [A]JP2000201427  (SHIZUKI ELECTRIC CO INC) [A] 1-13 * , entire text, all drawings (Family: none) *
by applicant   - Latest Technologies of Electric Railway (Revised Edition, Corona Publishing CO., Ltd, (20120300), page 163
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.