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Extract from the Register of European Patents

EP About this file: EP3817323

EP3817323 - ENCRYPTION PROCESSING SYSTEM, ENCRYPTION PROCESSING METHOD, AND PROGRAM [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.04.2024
Database last updated on 06.07.2024
FormerThe patent has been granted
Status updated on  12.05.2023
FormerGrant of patent is intended
Status updated on  08.03.2023
FormerExamination is in progress
Status updated on  15.04.2022
FormerRequest for examination was made
Status updated on  04.06.2021
FormerThe application has been published
Status updated on  03.04.2021
Most recent event   Tooltip20.06.2024Lapse of the patent in a contracting state
New state(s): LU		published on 24.07.2024 [2024/30]
Applicant(s)For all designated states
FUJITSU LIMITED
1-1, Kamikodanaka 4-chome
Nakahara-ku
Kawasaki-shi
Kanagawa 211-8588 / JP
[2021/18]
Inventor(s)01 / Shimizu, Toshiya
c/o FUJITSU LIMITED
1-1, Kamikodanaka 4-chome
Nakahara-ku, Kawasaki-shi
Kanagawa, 211-8588 / JP
02 / Shimoyama, Takeshi
c/o FUJITSU LIMITED
1-1, Kamikodanaka 4-chome
Nakahara-ku, Kawasaki-shi
Kanagawa, 211-8588 / JP
03 / Hanaoka, Goichiro
c/o National Institute of Advanced Industrial
Science and Technology
2-3-26 Aomi, Koto-ku
Tokyo, 135-0064 / JP
04 / Sakai, Yusuke
c/o National Institute of Advanced Industria
Science and Technology
2-3-26 Aomi, Koto-ku
Tokyo, 135-0064 / JP
05 / Shin, Seonghan
c/o National Institute of Advanced Industria
Science and Technology
2-3-26 Aomi, Koto-ku
Tokyo, 135-0064 / JP
 [2021/18]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2021/18]
Application number, filing date20201995.615.10.2020
[2021/18]
Priority number, dateJP2019019980401.11.2019         Original published format: JP 2019199804
[2021/18]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3817323
Date:05.05.2021
Language:EN
[2021/18]
Type: B1 Patent specification 
No.:EP3817323
Date:14.06.2023
Language:EN
[2023/24]
Search report(s)(Supplementary) European search report - dispatched on:EP18.03.2021
ClassificationIPC:H04L9/40, G06F21/62
[2023/12]
CPC:
H04L63/0442 (EP); G06F21/602 (EP,CN); H04L9/085 (EP,CN,US);
H04L9/0643 (CN); H04L9/0825 (US); H04L9/0833 (EP);
H04L9/0841 (EP); H04L9/0863 (CN); H04L9/0866 (US);
H04L9/0869 (US); H04L9/0894 (CN); H04L9/14 (EP);
H04L9/3066 (EP); H04L9/3247 (US); H04L2209/46 (EP);
H04L2209/76 (EP) (-)
Former IPC [2021/18]H04L29/06, G06F21/62
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 [2021/27]
Former [2021/18]AL,  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 
TitleGerman:VERSCHLÜSSELUNGSVERARBEITUNGSSYSTEM, VERSCHLÜSSELUNGSVERARBEITUNGSVERFAHREN UND PROGRAMM[2021/18]
English:ENCRYPTION PROCESSING SYSTEM, ENCRYPTION PROCESSING METHOD, AND PROGRAM[2021/18]
French:SYSTÈME DE TRAITEMENT DE CRYPTAGE, PROCÉDÉ DE TRAITEMENT DE CRYPTAGE ET PROGRAMME[2021/18]
Examination procedure01.06.2021Examination requested  [2021/27]
01.06.2021Date on which the examining division has become responsible
11.06.2021Amendment by applicant (claims and/or description)
13.04.2022Despatch of a communication from the examining division (Time limit: M01)
18.05.2022Reply to a communication from the examining division
09.03.2023Communication of intention to grant the patent
05.05.2023Fee for grant paid
05.05.2023Fee for publishing/printing paid
05.05.2023Receipt of the translation of the claim(s)
Opposition(s)15.03.2024No opposition filed within time limit [2024/21]
Fees paidRenewal fee
02.08.2022Renewal 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  TooltipAT14.06.2023
CZ14.06.2023
DK14.06.2023
EE14.06.2023
ES14.06.2023
FI14.06.2023
HR14.06.2023
IT14.06.2023
LT14.06.2023
LV14.06.2023
MC14.06.2023
NL14.06.2023
PL14.06.2023
RO14.06.2023
RS14.06.2023
SE14.06.2023
SI14.06.2023
SK14.06.2023
SM14.06.2023
NO14.09.2023
GR15.09.2023
IS14.10.2023
LU15.10.2023
PT16.10.2023
[2024/30]
Former [2024/28]AT14.06.2023
CZ14.06.2023
DK14.06.2023
EE14.06.2023
ES14.06.2023
FI14.06.2023
HR14.06.2023
IT14.06.2023
LT14.06.2023
LV14.06.2023
MC14.06.2023
NL14.06.2023
PL14.06.2023
RO14.06.2023
RS14.06.2023
SE14.06.2023
SI14.06.2023
SK14.06.2023
SM14.06.2023
NO14.09.2023
GR15.09.2023
IS14.10.2023
PT16.10.2023
Former [2024/26]AT14.06.2023
CZ14.06.2023
DK14.06.2023
EE14.06.2023
ES14.06.2023
FI14.06.2023
HR14.06.2023
IT14.06.2023
LT14.06.2023
LV14.06.2023
NL14.06.2023
PL14.06.2023
RO14.06.2023
RS14.06.2023
SE14.06.2023
SI14.06.2023
SK14.06.2023
SM14.06.2023
NO14.09.2023
GR15.09.2023
IS14.10.2023
PT16.10.2023
Former [2024/22]AT14.06.2023
CZ14.06.2023
DK14.06.2023
EE14.06.2023
ES14.06.2023
FI14.06.2023
HR14.06.2023
LT14.06.2023
LV14.06.2023
NL14.06.2023
PL14.06.2023
RO14.06.2023
RS14.06.2023
SE14.06.2023
SK14.06.2023
SM14.06.2023
NO14.09.2023
GR15.09.2023
IS14.10.2023
PT16.10.2023
Former [2024/10]AT14.06.2023
CZ14.06.2023
EE14.06.2023
ES14.06.2023
FI14.06.2023
HR14.06.2023
LT14.06.2023
LV14.06.2023
NL14.06.2023
PL14.06.2023
RO14.06.2023
RS14.06.2023
SE14.06.2023
SK14.06.2023
SM14.06.2023
NO14.09.2023
GR15.09.2023
IS14.10.2023
PT16.10.2023
Former [2024/09]AT14.06.2023
CZ14.06.2023
ES14.06.2023
FI14.06.2023
HR14.06.2023
LT14.06.2023
LV14.06.2023
NL14.06.2023
RS14.06.2023
SE14.06.2023
SK14.06.2023
SM14.06.2023
NO14.09.2023
GR15.09.2023
IS14.10.2023
Former [2024/08]ES14.06.2023
FI14.06.2023
HR14.06.2023
LT14.06.2023
LV14.06.2023
NL14.06.2023
RS14.06.2023
SE14.06.2023
SK14.06.2023
SM14.06.2023
NO14.09.2023
GR15.09.2023
Former [2024/03]ES14.06.2023
FI14.06.2023
HR14.06.2023
LT14.06.2023
LV14.06.2023
NL14.06.2023
RS14.06.2023
SE14.06.2023
NO14.09.2023
GR15.09.2023
Former [2024/01]ES14.06.2023
HR14.06.2023
LT14.06.2023
LV14.06.2023
NL14.06.2023
RS14.06.2023
SE14.06.2023
NO14.09.2023
GR15.09.2023
Former [2023/52]ES14.06.2023
HR14.06.2023
NL14.06.2023
RS14.06.2023
SE14.06.2023
NO14.09.2023
GR15.09.2023
Former [2023/51]ES14.06.2023
HR14.06.2023
RS14.06.2023
SE14.06.2023
NO14.09.2023
GR15.09.2023
Former [2023/50]ES14.06.2023
SE14.06.2023
NO14.09.2023
GR15.09.2023
Former [2023/48]ES14.06.2023
SE14.06.2023
NO14.09.2023
Former [2023/46]ES14.06.2023
Documents cited:Search[A]US6026163  (MICALI SILVIO [US]) [A] 1-12 * figure 1 * * column 1, line 33 - line 45 * * column 2, line 8 - line 40 *;
 [A]  - ORDONEZ ARIS J ET AL, "Modified El Gamal algorithm for multiple senders and single receiver encryption", 2018 IEEE SYMPOSIUM ON COMPUTER APPLICATIONS & INDUSTRIAL ELECTRONICS (ISCAIE), IEEE, (20180428), doi:10.1109/ISCAIE.2018.8405470, pages 201 - 205, XP033372002 [A] 1-12 * page 202, column 1, paragraph 4 - paragraph end column 1 *

DOI:   http://dx.doi.org/10.1109/ISCAIE.2018.8405470
 [A]  - WANG BOYANG ET AL, "A tale of two clouds: Computing on data encrypted under multiple keys", 2014 IEEE CONFERENCE ON COMMUNICATIONS AND NETWORK SECURITY, IEEE, (20141029), doi:10.1109/CNS.2014.6997502, pages 337 - 345, XP032714698 [A] 1-12 * page 337, column 2, paragraph 2 * * page 338, column 22; figure 1 *

DOI:   http://dx.doi.org/10.1109/CNS.2014.6997502
by applicantJP2004048336
 JP2016151797
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.