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Extract from the Register of European Patents

EP About this file: EP3850641

EP3850641 - METHOD FOR OPERATING A NUCLEAR REACTOR WITH CALCULATION OF THE CTFR ON LINE, CORRESPONDING NUCLEAR REACTOR [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  21.02.2025
Database last updated on 28.03.2026
FormerThe patent has been granted
Status updated on  15.03.2024
FormerGrant of patent is intended
Status updated on  28.11.2023
FormerExamination is in progress
Status updated on  26.01.2023
FormerRequest for examination was made
Status updated on  18.06.2021
FormerThe international publication has been made
Status updated on  21.03.2020
Formerunknown
Status updated on  17.09.2019
Most recent event   Tooltip30.01.2026Lapse of the patent in a contracting state
New state(s): CY		published on 04.03.2026  [2026/10]
Applicant(s)For all designated states
Framatome
1 place Jean Millier
Tour Areva
92400 Courbevoie / FR
[2021/29]
Inventor(s)01 / SEGOND, Mathieu
50 rue Corvisart
75013 Paris / FR
 [2023/52]
Former [2021/29]01 / SEGOND, Mathieu
50 rue Corvisart
75013 PARIS / FR
Representative(s)Lavoix
2, place d'Estienne d'Orves
75441 Paris Cedex 09 / FR
[2021/29]
Application number, filing date19765509.512.09.2019
[2021/29]
WO2019EP74373
Priority number, dateFR2018005815712.09.2018         Original published format: FR 1858157
[2021/29]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report
No.:WO2020053339
Date:19.03.2020
Language:FR
[2020/12]
Type: A1 Application with search report 
No.:EP3850641
Date:21.07.2021
Language:FR
The application published by WIPO in one of the EPO official languages on 19.03.2020 takes the place of the publication of the European patent application.
[2021/29]
Type: B1 Patent specification 
No.:EP3850641
Date:17.04.2024
Language:FR
[2024/16]
Search report(s)International search report - published on:EP19.03.2020
ClassificationIPC:G21C9/00, G21D3/00, G06N3/045, G06N3/082, // G21C17/108
[2023/51]
CPC:
G21D3/001 (EP,KR,US); G06N3/045 (EP,KR,US); G06N3/0464 (EP);
G06N3/082 (EP,KR,US); G06N3/09 (EP); G06N3/0985 (EP);
G21C17/108 (EP,KR,US); G21C9/00 (EP,KR,US); Y02E30/00 (EP);
Y02E30/30 (EP,KR) (-)
Former IPC [2021/29]G21C9/00, G21D3/00, G21C17/00, G06N3/02, G21C17/108
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 [2021/29]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUM BETRIEB EINES KERNREAKTORS MIT ONLINE-BERECHNUNG DES CTFR, ZUGEHÖRIGER KERNREAKTOR[2021/29]
English:METHOD FOR OPERATING A NUCLEAR REACTOR WITH CALCULATION OF THE CTFR ON LINE, CORRESPONDING NUCLEAR REACTOR[2021/29]
French:PROCÉDÉ D'EXPLOITATION D'UN RÉACTEUR NUCLÉAIRE AVEC CALCUL DU RFTC EN LIGNE, RÉACTEUR NUCLÉAIRE CORRESPONDANT[2021/29]
Entry into regional phase12.03.2021National basic fee paid 
12.03.2021Designation fee(s) paid 
12.03.2021Examination fee paid 
Examination procedure12.03.2021Examination requested  [2021/29]
12.03.2021Date on which the examining division has become responsible
20.10.2021Amendment by applicant (claims and/or description)
25.01.2023Despatch of a communication from the examining division (Time limit: M04)
21.04.2023Reply to a communication from the examining division
29.11.2023Communication of intention to grant the patent
08.03.2024Fee for grant paid
08.03.2024Fee for publishing/printing paid
08.03.2024Receipt of the translation of the claim(s)
Opposition(s)20.01.2025No opposition filed within time limit [2025/13]
Fees paidRenewal fee
30.08.2021Renewal fee patent year 03
26.08.2022Renewal fee patent year 04
22.08.2023Renewal fee patent year 05
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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  TooltipCY12.09.2019
AT17.04.2024
BG17.04.2024
DK17.04.2024
EE17.04.2024
ES17.04.2024
HR17.04.2024
IT17.04.2024
LV17.04.2024
MC17.04.2024
RO17.04.2024
SM17.04.2024
NO17.07.2024
RS17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
IE12.09.2024
LU12.09.2024
FR30.09.2024
[2026/10]
Former [2025/36]AT17.04.2024
BG17.04.2024
DK17.04.2024
EE17.04.2024
ES17.04.2024
HR17.04.2024
IT17.04.2024
LV17.04.2024
MC17.04.2024
RO17.04.2024
SM17.04.2024
NO17.07.2024
RS17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
IE12.09.2024
LU12.09.2024
FR30.09.2024
Former [2025/35]AT17.04.2024
BG17.04.2024
DK17.04.2024
EE17.04.2024
ES17.04.2024
HR17.04.2024
IT17.04.2024
LV17.04.2024
MC17.04.2024
RO17.04.2024
SM17.04.2024
NO17.07.2024
RS17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
LU12.09.2024
FR30.09.2024
Former [2025/26]AT17.04.2024
BG17.04.2024
DK17.04.2024
EE17.04.2024
ES17.04.2024
HR17.04.2024
IT17.04.2024
LV17.04.2024
MC17.04.2024
RO17.04.2024
SM17.04.2024
NO17.07.2024
RS17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
LU12.09.2024
Former [2025/22]AT17.04.2024
BG17.04.2024
DK17.04.2024
EE17.04.2024
ES17.04.2024
HR17.04.2024
IT17.04.2024
LV17.04.2024
MC17.04.2024
RO17.04.2024
SM17.04.2024
NO17.07.2024
RS17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
Former [2025/11]AT17.04.2024
BG17.04.2024
DK17.04.2024
EE17.04.2024
ES17.04.2024
HR17.04.2024
IT17.04.2024
LV17.04.2024
RO17.04.2024
SM17.04.2024
NO17.07.2024
RS17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
Former [2025/10]AT17.04.2024
BG17.04.2024
DK17.04.2024
EE17.04.2024
ES17.04.2024
HR17.04.2024
LV17.04.2024
RO17.04.2024
SM17.04.2024
NO17.07.2024
RS17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
Former [2025/09]AT17.04.2024
BG17.04.2024
DK17.04.2024
EE17.04.2024
ES17.04.2024
HR17.04.2024
LV17.04.2024
NO17.07.2024
RS17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
Former [2025/08]AT17.04.2024
BG17.04.2024
DK17.04.2024
ES17.04.2024
HR17.04.2024
LV17.04.2024
NO17.07.2024
RS17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
Former [2024/49]AT17.04.2024
BG17.04.2024
ES17.04.2024
HR17.04.2024
LV17.04.2024
NO17.07.2024
RS17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
Former [2024/48]AT17.04.2024
BG17.04.2024
ES17.04.2024
HR17.04.2024
NO17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
Former [2024/47]BG17.04.2024
HR17.04.2024
NO17.07.2024
GR18.07.2024
IS17.08.2024
PT19.08.2024
Former [2024/46]BG17.04.2024
HR17.04.2024
NO17.07.2024
IS17.08.2024
Cited inInternational search[Y] US4330367  (MUSICK CHARLES R et al.) [Y] 1-21 * abstract * * column 2, line 23 - column 3, line 49 * * column 11, line 50 - column 19, line 2 * * column 23, line 30 - column 25, line 26 *
 [Y] US2016180976  (PARK YOUNG HO et al.) [Y] 1-21 * abstract *
 [A] US2010119026  (GAUTIER ANTOINE et al.) [A] 1,21 * abstract * * paragraphs [0036] - [0056] - [0061] - [0066] *
 [A]   KEE IN W ET AL: "Assessment of core protection and monitoring systems for an advanced reactor SMART", ANNALS OF NUCLEAR ENERGY, PERGAMON PRESS, OXFORD, GB, vol. 29, no. 5, 1 March 2002 (2002-03-01), pages 609 - 621, XP027339864, ISSN: 0306-4549, [retrieved on 20020301] [A] 1,21 * abstract * * sections 1, 2.2, 3.3, 4.2 *
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.