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Extract from the Register of European Patents

EP About this file: EP3754941

EP3754941 - DATA STORAGE METHODS FOR A BLOCKCHAIN SYSTEM [Right-click to bookmark this link]
Former [2020/52]BLOCKCHAIN SYSTEM AND DATA STORAGE METHOD AND APPARATUS
[2021/39]
StatusNo opposition filed within time limit
Status updated on  10.02.2023
Database last updated on 06.07.2024
FormerThe patent has been granted
Status updated on  04.03.2022
FormerGrant of patent is intended
Status updated on  16.09.2021
FormerRequest for examination was made
Status updated on  20.11.2020
Most recent event   Tooltip09.02.2024Lapse of the patent in a contracting state
New state(s): IT		published on 13.03.2024  [2024/11]
Applicant(s)For all designated states
Advanced New Technologies Co., Ltd.
Cayman Corporate Centre
27 Hospital Road
George Town, Grand Cayman KY1-9008 / KY
[2021/02]
Former [2020/52]For all designated states
ALIBABA GROUP HOLDING LIMITED
Fourth Floor, One Capital Place
P.O. Box 847
George Town, Grand Cayman / KY
Inventor(s)01 / LI, Ning
Alibaba Group Legal Department
5/F Building 3 No.969 West Wen Yi Road Yu Hang
District
Hangzhou, Zhejiang 311121 / CN
 [2020/52]
Representative(s)Branderhorst, Matthijs Pieter Arie
Marks & Clerk LLP
2nd Floor, Wytham Court
11 West Way
Oxford OX2 0JB / GB
[N/P]
Former [2020/52]Branderhorst, Matthijs Pieter Arie
Marks & Clerk LLP
Fletcher House
Heatley Road The Oxford Science Park
Oxford OX4 4GE / GB
Application number, filing date20189466.412.02.2018
[2020/52]
Priority number, dateCN2017108615317.02.2017         Original published format: CN201710086153
[2020/52]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3754941
Date:23.12.2020
Language:EN
[2020/52]
Type: B1 Patent specification 
No.:EP3754941
Date:06.04.2022
Language:EN
[2022/14]
Search report(s)(Supplementary) European search report - dispatched on:EP10.09.2020
ClassificationIPC:H04L29/06, H04L29/08, H04L9/32, G06F21/64
[2020/52]
CPC:
G06F21/64 (EP,RU); H04L63/12 (CN,KR,RU); H04L9/0643 (US);
G06F16/22 (EP,CN,KR); H04L63/123 (EP); H04L67/10 (CN,KR);
H04L67/1095 (EP,US); H04L67/60 (CN,KR); H04L67/63 (EP);
H04L9/0637 (US); H04L9/3236 (US); H04L9/3239 (EP);
H04L9/50 (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 [2020/52]
TitleGerman:DATENSPEICHERVERFAHREN FÜR EIN BLOCKKETTENSYSTEM[2021/39]
English:DATA STORAGE METHODS FOR A BLOCKCHAIN SYSTEM[2021/39]
French:PROCÉDÉS DE MÉMORISATION DE DONNÉES POUR UN SYSTÈME DE CHAÎNE DE BLOCS[2021/39]
Former [2020/52]BLOCKKETTENSYSTEM UND DATENSPEICHERVERFAHREN UND -VORRICHTUNG
Former [2020/52]BLOCKCHAIN SYSTEM AND DATA STORAGE METHOD AND APPARATUS
Former [2020/52]SYSTÈME DE CHAÎNE DE BLOCS ET PROCÉDÉ ET APPAREIL DE MÉMORISATION DE DONNÉES
Examination procedure04.08.2020Examination requested  [2020/52]
11.06.2021Amendment by applicant (claims and/or description)
17.09.2021Communication of intention to grant the patent
27.01.2022Fee for grant paid
27.01.2022Fee for publishing/printing paid
27.01.2022Receipt of the translation of the claim(s)
Parent application(s)   TooltipEP18754500.9  / EP3562120
Opposition(s)10.01.2023No opposition filed within time limit [2023/11]
Fees paidRenewal fee
04.08.2020Renewal fee patent year 03
25.02.2021Renewal fee patent year 04
25.02.2022Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
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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  TooltipAL06.04.2022
AT06.04.2022
CZ06.04.2022
DK06.04.2022
EE06.04.2022
ES06.04.2022
FI06.04.2022
HR06.04.2022
IT06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
NL06.04.2022
PL06.04.2022
RO06.04.2022
RS06.04.2022
SE06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
[2024/11]
Former [2023/44]AL06.04.2022
AT06.04.2022
CZ06.04.2022
DK06.04.2022
EE06.04.2022
ES06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
MC06.04.2022
NL06.04.2022
PL06.04.2022
RO06.04.2022
RS06.04.2022
SE06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/25]AL06.04.2022
AT06.04.2022
CZ06.04.2022
DK06.04.2022
EE06.04.2022
ES06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
PL06.04.2022
RO06.04.2022
RS06.04.2022
SE06.04.2022
SI06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/17]AL06.04.2022
AT06.04.2022
CZ06.04.2022
DK06.04.2022
EE06.04.2022
ES06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
PL06.04.2022
RO06.04.2022
RS06.04.2022
SE06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/09]AT06.04.2022
CZ06.04.2022
DK06.04.2022
EE06.04.2022
ES06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
PL06.04.2022
RO06.04.2022
RS06.04.2022
SE06.04.2022
SK06.04.2022
SM06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2023/07]AT06.04.2022
DK06.04.2022
ES06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
PL06.04.2022
RS06.04.2022
SE06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2022/51]AT06.04.2022
ES06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
PL06.04.2022
RS06.04.2022
SE06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
IS06.08.2022
PT08.08.2022
Former [2022/50]AT06.04.2022
ES06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
PL06.04.2022
RS06.04.2022
SE06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
PT08.08.2022
Former [2022/49]AT06.04.2022
ES06.04.2022
FI06.04.2022
HR06.04.2022
LT06.04.2022
LV06.04.2022
NL06.04.2022
SE06.04.2022
BG06.07.2022
NO06.07.2022
GR07.07.2022
PT08.08.2022
Former [2022/47]AT06.04.2022
ES06.04.2022
FI06.04.2022
LT06.04.2022
NL06.04.2022
SE06.04.2022
NO06.07.2022
PT08.08.2022
Former [2022/44]NL06.04.2022
Documents cited:Search[XA]US2016224949  (THOMAS STEFAN [US], et al) [X] 1-6,13-15 * abstract * * paragraph [0036] - paragraph [0037] * * paragraph [0069] - paragraph [0080] * * figures 5, 7 * [A] 7-12;
 [A]  - Bitfury Group ET AL, "Public versus Private Blockchains", (20151020), URL: http://bitfury.com/content/5-white-papers-research/public-vs-private-pt1-1.pdf, (20170613), XP055381268 [A] 1-15 * 2 Blockchain Technology * * 2.2 Access to Blockchain Data *
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.