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Extract from the Register of European Patents

EP About this file: EP4205249

EP4205249 - A DC SOLID STATE CIRCUIT BREAKER AND DC CIRCUIT BREAKER SYSTEM [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.05.2025
Database last updated on 01.04.2026
FormerThe patent has been granted
Status updated on  31.05.2024
FormerGrant of patent is intended
Status updated on  04.04.2024
FormerRequest for examination was made
Status updated on  02.06.2023
FormerThe international publication has been made
Status updated on  10.02.2023
Formerunknown
Status updated on  29.09.2021
Most recent event   Tooltip13.03.2026Lapse of the patent in a contracting state
New state(s): HU		published on 15.04.2026 [2026/16]
Applicant(s)For all designated states
EXPERIENCE KNOWLEDGE STRATEGY, S.L.
Av. de Camas N° 28
41110 Bollullos de la Mitación / ES
[2023/27]
Inventor(s)01 / VILLEGAS NÚÑEZ, Javier
41110 Bollullos de la Mitación / ES
02 / MEDINA GRACIA, Ricardo
41110 Bollullos de la Mitación / ES
03 / ARÉVALO AGUILAR, Pablo
41110 Bollullos de la Mitación / ES
04 / HURTADO CUERVA, Sergio
41110 Bollullos de la Mitación / ES
 [2023/27]
Representative(s)Clarke, Modet y Cía., S.L.
C/ Suero de Quiñones 34-36
28002 Madrid / ES
[2024/27]
Former [2023/27]Clarke Modet & Co.
C/ Suero de Quiñones 34-36
28002 Madrid / ES
Application number, filing date21773361.707.09.2021
[2023/27]
WO2021EP74557
Priority number, dateES2021003076706.08.2021         Original published format: ES 202130767
[2023/27]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023011739
Date:09.02.2023
Language:EN
[2023/06]
Type: A1 Application with search report 
No.:EP4205249
Date:05.07.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 09.02.2023 takes the place of the publication of the European patent application.
[2023/27]
Type: B1 Patent specification 
No.:EP4205249
Date:03.07.2024
Language:EN
[2024/27]
Search report(s)International search report - published on:EP09.02.2023
ClassificationIPC:H02H3/087, H02H3/02
[2023/27]
CPC:
H02H3/087 (EP,US); H02H3/021 (EP,US)
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 [2023/27]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:GLEICHSTROM-FESTKÖRPERSCHUTZSCHALTER UND GLEICHSTROMSCHUTZSCHALTERSYSTEM[2023/27]
English:A DC SOLID STATE CIRCUIT BREAKER AND DC CIRCUIT BREAKER SYSTEM[2023/27]
French:DISJONCTEUR À SEMI-CONDUCTEURS À COURANT CONTINU ET SYSTÈME DE DISJONCTEUR À COURANT CONTINU[2023/27]
Entry into regional phase31.03.2023National basic fee paid 
31.03.2023Designation fee(s) paid 
31.03.2023Examination fee paid 
Examination procedure22.02.2023Request for preliminary examination filed
International Preliminary Examining Authority: EP
31.03.2023Amendment by applicant (claims and/or description)
31.03.2023Examination requested  [2023/27]
31.03.2023Date on which the examining division has become responsible
05.04.2024Communication of intention to grant the patent
21.05.2024Fee for grant paid
21.05.2024Fee for publishing/printing paid
21.05.2024Receipt of the translation of the claim(s)
Opposition(s)04.04.2025No opposition filed within time limit [2025/24]
Fees paidRenewal fee
07.07.2023Renewal fee patent year 03
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  TooltipCY07.09.2021
HU07.09.2021
CZ03.07.2024
HR03.07.2024
MC03.07.2024
SK03.07.2024
SM03.07.2024
IE07.09.2024
NO03.10.2024
RS03.10.2024
IS03.11.2024
[2026/16]
Former [2026/10]CY07.09.2021
CZ03.07.2024
HR03.07.2024
MC03.07.2024
SK03.07.2024
SM03.07.2024
IE07.09.2024
NO03.10.2024
RS03.10.2024
IS03.11.2024
Former [2025/36]CZ03.07.2024
HR03.07.2024
MC03.07.2024
SK03.07.2024
SM03.07.2024
IE07.09.2024
NO03.10.2024
RS03.10.2024
IS03.11.2024
Former [2025/23]CZ03.07.2024
HR03.07.2024
MC03.07.2024
SK03.07.2024
SM03.07.2024
NO03.10.2024
RS03.10.2024
IS03.11.2024
Former [2025/11]CZ03.07.2024
HR03.07.2024
NO03.10.2024
RS03.10.2024
IS03.11.2024
Former [2025/09]NO03.10.2024
IS03.11.2024
Former [2025/08]NO03.10.2024
Cited inInternational search[XAYI] CN111030060  (UNIV NORTH CHINA ELECTRIC POWER et al.)
 [XAYI] CN110350491  (UNIV NORTH CHINA ELECTRIC POWER et al.)
 [Y] EP3093941  (LSIS CO LTD et al.)
 [XI] CN112602245  (LS ELECTRIC CO LTD et al.)
 [XI] US2021305980  (SIM JUNGWOOK et al.)
 [XAYI]   SHIN DONGHO ET AL: "Snubber Circuit of Bidirectional Solid State DC Circuit Breaker Based on SiC MOSFET", 2018 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE), IEEE, 23 September 2018 (2018-09-23), pages 3674 - 3681, XP033463612, DOI: 10.1109/ECCE.2018.8557542

DOI:   http://dx.doi.org/10.1109/ECCE.2018.8557542
by applicantCN107834526
 WO2020178032
 CN106159880
   SHEN, B. Z. J., ULTRAFAST SOLID-STATE CIRCUIT BREAKERS, 2016
   MOKHBERDORAN, A.CARVALHO, A.LEITE, H.SILVA, N.: "A review on HVDC circuit breakers", IET CONFERENCE PUBLICATIONS, vol. 2014, no. CP651, 2014, pages 1 - 6, Retrieved from the Internet
   SHEN, Z. J.SABUI, G.MIAO, Z.SHUAI, Z.: "Wide-bandgap solid-state circuit breakers for DC power systems: Device and circuit considerations", IEEE TRANSACTIONS ON ELECTRON DEVICES, vol. 62, no. 2, 2015, pages 294 - 300, XP011570661, Retrieved from the Internet DOI: 10.1109/TED.2014.2384204

DOI:   http://dx.doi.org/10.1109/TED.2014.2384204
   JOHN SHEN, Z.MIAO, Z.ROSHANDEH, A. M.MOENS, P.DEVLEESCHOUWER, H.SALIH, A.PADMANABHAN, B.JEON, W.: "First experimental demonstration of solid state circuit breaker (SSCB) using 650V GaN-based monolithic bidirectional switch", PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON POWER SEMICONDUCTOR DEVICES AND ICS, July 2016 (2016-07-01), pages 79 - 82, Retrieved from the Internet
   TAN, K.LIU, P.NI, X.PENG, C.SONG, X.HUANG, A. Q.: "Performance evaluation of multiple Si and SiC solid state devices for circuit breaker application in 380VDC delivery system", CONFERENCE PROCEEDINGS - IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION - APEC, May 2016 (2016-05-01), pages 983 - 989, Retrieved from the Internet
   MIAO, Z.SABUI, G.ROSHANDEH, A. M.SHEN, Z. J.: "Design and Analysis of DC Solid-State Circuit Breakers Using SiC JFETs", IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS, vol. 4, no. 3, 2016, pages 863 - 873, XP011618055, Retrieved from the Internet DOI: 10.1109/JESTPE.2016.2558448

DOI:   http://dx.doi.org/10.1109/JESTPE.2016.2558448
   SCHRODER, S.MEYER, C.DE DONCKER, R. W.: "Solid-state circuit breakers and current-limiting devices for medium-voltage systems", INTERNATIONAL POWER ELECTRONICS CONGRESS - CIEP, 2002, pages 91 - 95, XP010647376, Retrieved from the Internet
   MUNASIB, S.BALDA, J. C.: "Short-circuit protection for low-voltage DC microgrids based on solid-state circuit breakers", 2016 IEEE 7TH INTERNATIONAL SYMPOSIUM ON POWER ELECTRONICS FOR DISTRIBUTED GENERATION SYSTEMS, 2016, Retrieved from the Internet
   MOKHBERDORAN, A.CARVALHO, A.SILVA, N.LEITE, H.CARRAPATOSO, A.: "A new topology of fast solid-state HVDC circuit breaker for offshore wind integration applications", 2015 17TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS, 2015, pages 1 - 10, XP032800273, Retrieved from the Internet DOI: 10.1109/EPE.2015.7309270

DOI:   http://dx.doi.org/10.1109/EPE.2015.7309270
   AGOSTINI, F.VEMULAPATI, U.TORRESIN, D.ARNOLD, M.RAHIMO, M.ANTONIAZZI, A.RACITI, L.PESSINA, D.SURYANARAYANA, H.: "1MW bi-directional DC solid state circuit breaker based on air cooled reverse blocking-IGCT", 2015 IEEE ELECTRIC SHIP TECHNOLOGIES SYMPOSIUM, 2015, pages 287 - 292, XP033175959, Retrieved from the Internet DOI: 10.1109/ESTS.2015.7157906

DOI:   http://dx.doi.org/10.1109/ESTS.2015.7157906
   CAIROLI, P.QI, L.TSCHIDA, C.V RAMANAN, R. R.RACITI, L.ANTONIAZZI, A.: "High Current Solid State Circuit Breaker for DC Shipboard Power Systems", 2019 IEEE ELECTRIC SHIP TECHNOLOGIES SYMPOSIUM, 2019, pages 468 - 476, XP033620676, Retrieved from the Internet DOI: 10.1109/ESTS.2019.8847815

DOI:   http://dx.doi.org/10.1109/ESTS.2019.8847815
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.