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Extract from the Register of European Patents

EP About this file: EP3741080

EP3741080 - VERIFIABLE ENCRYPTION BASED ON TRUSTED EXECUTION ENVIRONMENT [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  30.12.2022
Database last updated on 15.06.2024
FormerThe patent has been granted
Status updated on  21.01.2022
FormerGrant of patent is intended
Status updated on  28.10.2021
FormerRequest for examination was made
Status updated on  23.10.2020
FormerThe international publication has been made
Status updated on  25.01.2020
Most recent event   Tooltip14.06.2024Lapse of the patent in a contracting state
New state(s): TR		published on 17.07.2024 [2024/29]
Applicant(s)For all designated states
HUAWEI TECHNOLOGIES CO., LTD.
Huawei Administration Building
Bantian, Longgang District
Shenzhen, Guangdong 518129 / CN
[2020/48]
Inventor(s)01 / WU, Teng
474 Brentcliffe Dr.
Waterloo, Ontario N2T 2R8 / CA
02 / TAN, Yin
403 White Birch Ave.
Waterloo, Ontario N2V 2T3 / CA
 [2020/48]
Representative(s)Maiwald GmbH
Elisenhof
Elisenstraße 3
80335 München / DE
[N/P]
Former [2020/48]Maiwald Patent- und Rechtsanwaltsgesellschaft mbH
Elisenhof
Elisenstraße 3
80335 München / DE
Application number, filing date19838862.103.07.2019
[2020/48]
WO2019CN94495
Priority number, dateUS20181603778917.07.2018         Original published format: US201816037789
[2020/48]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020015525
Date:23.01.2020
Language:EN
[2020/04]
Type: A1 Application with search report 
No.:EP3741080
Date:25.11.2020
Language:EN
The application published by WIPO in one of the EPO official languages on 23.01.2020 takes the place of the publication of the European patent application.
[2020/48]
Type: B1 Patent specification 
No.:EP3741080
Date:23.02.2022
Language:EN
[2022/08]
Search report(s)International search report - published on:CN23.01.2020
(Supplementary) European search report - dispatched on:EP26.11.2020
ClassificationIPC:H04L9/28
[2020/48]
CPC:
H04L9/50 (EP); H04L9/3252 (US); G06F21/57 (EP,US);
G09C5/00 (US); H04L9/008 (EP); H04L9/0825 (US);
H04L9/0894 (US); H04L9/0897 (EP); H04L9/3066 (US);
H04L9/3218 (EP); H04L9/3239 (EP); H04L9/3263 (US);
G06F2221/2101 (EP); G06F2221/2107 (EP); H04L9/006 (US);
H04L9/14 (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 [2020/48]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:ÜBERPRÜFBARE VERSCHLÜSSELUNG AUF DER GRUNDLAGE EINER VERTRAUENSWÜRDIGEN AUSFÜHRUNGSUMGEBUNG[2020/48]
English:VERIFIABLE ENCRYPTION BASED ON TRUSTED EXECUTION ENVIRONMENT[2020/48]
French:CHIFFREMENT VÉRIFIABLE BASÉ SUR UN ENVIRONNEMENT D'EXÉCUTION DE CONFIANCE[2020/48]
Entry into regional phase19.08.2020National basic fee paid 
19.08.2020Search fee paid 
19.08.2020Designation fee(s) paid 
19.08.2020Examination fee paid 
Examination procedure19.08.2020Amendment by applicant (claims and/or description)
19.08.2020Examination requested  [2020/48]
29.10.2021Communication of intention to grant the patent
13.01.2022Fee for grant paid
13.01.2022Fee for publishing/printing paid
13.01.2022Receipt of the translation of the claim(s)
Opposition(s)24.11.2022No opposition filed within time limit [2023/05]
Fees paidRenewal fee
30.07.2021Renewal 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  TooltipHU03.07.2019
AL23.02.2022
AT23.02.2022
CY23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
MK23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
TR23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE03.07.2022
LU03.07.2022
BE31.07.2022
CH31.07.2022
LI31.07.2022
[2024/29]
Former [2024/25]HU03.07.2019
AL23.02.2022
AT23.02.2022
CY23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
MK23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE03.07.2022
LU03.07.2022
BE31.07.2022
CH31.07.2022
LI31.07.2022
Former [2024/23]AL23.02.2022
AT23.02.2022
CY23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
MK23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE03.07.2022
LU03.07.2022
BE31.07.2022
CH31.07.2022
LI31.07.2022
Former [2024/20]AL23.02.2022
AT23.02.2022
CY23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE03.07.2022
LU03.07.2022
BE31.07.2022
CH31.07.2022
LI31.07.2022
Former [2023/35]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
IT23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE03.07.2022
LU03.07.2022
BE31.07.2022
CH31.07.2022
LI31.07.2022
Former [2023/33]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
IE03.07.2022
LU03.07.2022
BE31.07.2022
CH31.07.2022
LI31.07.2022
Former [2023/26]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
LU03.07.2022
BE31.07.2022
CH31.07.2022
LI31.07.2022
Former [2023/21]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
LU03.07.2022
CH31.07.2022
LI31.07.2022
Former [2023/11]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
MC23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2023/10]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SI23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2023/01]AL23.02.2022
AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/49]AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SK23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/48]AT23.02.2022
CZ23.02.2022
DK23.02.2022
EE23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/47]AT23.02.2022
DK23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RO23.02.2022
RS23.02.2022
SE23.02.2022
SM23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/46]AT23.02.2022
DK23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
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NL23.02.2022
PL23.02.2022
RS23.02.2022
SE23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/42]AT23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RS23.02.2022
SE23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
IS23.06.2022
PT23.06.2022
Former [2022/39]AT23.02.2022
ES23.02.2022
FI23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RS23.02.2022
SE23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
PT23.06.2022
Former [2022/36]AT23.02.2022
ES23.02.2022
HR23.02.2022
LT23.02.2022
LV23.02.2022
NL23.02.2022
PL23.02.2022
RS23.02.2022
SE23.02.2022
BG23.05.2022
NO23.05.2022
GR24.05.2022
PT23.06.2022
Former [2022/35]ES23.02.2022
HR23.02.2022
LT23.02.2022
NL23.02.2022
RS23.02.2022
SE23.02.2022
BG23.05.2022
NO23.05.2022
PT23.06.2022
Former [2022/34]ES23.02.2022
LT23.02.2022
NL23.02.2022
NO23.05.2022
PT23.06.2022
Former [2022/33]LT23.02.2022
NO23.05.2022
Documents cited:Search[A]US2008270790  (BRICKELL ERNEST F [US], et al) [A] 1-13* the whole document *;
 [A]  - STEPHEN R TATE ET AL, "Efficient Verifiable Escrow and Fair Exchange with Trusted Hardware", IACR, INTERNATIONAL ASSOCIATION FOR CRYPTOLOGIC RESEARCH, (20130529), vol. 20130529:175044, pages 1 - 28, XP061007587 [A] 1-13 * abstract * * 2nd paragraph; page 2 * * section "2.2 Verifiable Encryption" * * section "3 Trusted Hardware Assumptions" * * section "4 Contribution of this Paper" * * section "6 Preliminaries and Protocol Primitives" * * section "7 TPM-based Verifiable Group Escrow Protocol" *
 [A]  - Vivek Sama ET AL, "Universally Composable Zero Knowledge Protocol using Trusted Platform Modules", (20110101), URL: https://libres.uncg.edu/ir/uncg/f/Sama_uncg_0154M_10666.pdf, (20201009), XP055738515 [A] 1-13 * abstract * * the whole document *
International search[A]US2012023568  (CHA INHYOK [US], et al) [A] 1-22 * the whole document *;
 [A]WO2014196966  (INTEL CORP [US], et al) [A] 1-22 * the whole document *;
 [A]US2015074764  (STERN ALLON JOSEPH [US]) [A] 1-22 * the whole document *;
 [A]EP3281115  (NEC LABORATORIES EUROPE GMBH [DE]) [A] 1-22 * the whole document *;
 [A]CN107851150  (INTEL CORP) [A] 1-22* the whole document *
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.