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Extract from the Register of European Patents

EP About this file: EP4078404

EP4078404 - METHOD AND APPARATUS FOR STORING AND QUERYING TIME SERIES DATA, AND SERVER AND STORAGE MEDIUM THEREOF [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.09.2025
Database last updated on 21.03.2026
FormerThe patent has been granted
Status updated on  18.10.2024
FormerGrant of patent is intended
Status updated on  16.07.2024
FormerExamination is in progress
Status updated on  22.09.2023
FormerRequest for examination was made
Status updated on  23.09.2022
FormerThe international publication has been made
Status updated on  25.06.2021
Most recent event   Tooltip24.10.2025Lapse of the patent in a contracting state
New state(s): IE		published on 26.11.2025  [2025/48]
Applicant(s)For all designated states
Univers Pte. Ltd.
1 Harbourfront Avenue, 17-01
Keppel Bay Tower
Singapore 098632 / SG
For all designated states
Shanghai Envision Digital Co., Ltd.
No. 15, Lane 55, Chuanhe Road
China (Shanghai) Pilot Free Trade Zone
Shanghai / CN
[2025/28]
Former [2024/47]For all designated states
Envision Digital International Pte. Ltd.
1 Harbourfront Avenue, 17-01
Keppel Bay Tower
Singapore 098632 / SG
For all designated states
Shanghai Envision Digital Co., Ltd.
No. 15, Lane 55, Chuanhe Road
China (Shanghai) Pilot Free Trade Zone
Shanghai / CN
Former [2022/43]For all designated states
Envision Digital International Pte. Ltd.
1 Harbourfront Avenue, 17-01
Keppel Bay Tower
Singapore 098632 / SG
For all designated states
Shanghai Envision Digital Co., Ltd.
No. 15, Lane 55, Chuanhe Road
China (Shanghai) Pilot Free Trade Zone
Shanghai / CN
Inventor(s)01 / HUANG, Yueqin
c/o Shanghai Envision Digital Co., Ltd.
No. 15, Lane 55, Chuanhe Road
China (Shanghai) Pilot Free Trade Zone
Shanghai / CN
02 / SHAN, Yihui
c/o Shanghai Envision Digital Co., Ltd.
No. 15, Lane 55, Chuanhe Road
China (Shanghai) Pilot Free Trade Zone
Shanghai / CN
03 / ZHAO, Hong
c/o Shanghai Envision Digital Co., Ltd.
No. 15, Lane 55, Chuanhe Road
China (Shanghai) Pilot Free Trade Zone
Shanghai / CN
 [2022/43]
Representative(s)Dennemeyer & Associates S.A.
Postfach 70 04 25
81304 München / DE
[2024/47]
Former [2022/43]Bardehle Pagenberg Partnerschaft mbB Patentanwälte Rechtsanwälte
Prinzregentenplatz 7
81675 München / DE
Application number, filing date20902057.715.12.2020
[2022/43]
WO2020SG50748
Priority number, dateCN20191131829719.12.2019         Original published format: CN201911318297
[2022/43]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021126079
Date:24.06.2021
Language:EN
[2021/25]
Type: A1 Application with search report 
No.:EP4078404
Date:26.10.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 24.06.2021 takes the place of the publication of the European patent application.
[2022/43]
Type: B1 Patent specification 
No.:EP4078404
Date:20.11.2024
Language:EN
[2024/47]
Search report(s)International search report - published on:SG24.06.2021
(Supplementary) European search report - dispatched on:EP07.12.2022
ClassificationIPC:G06F16/2455, G06F16/174, G06F16/20, H03M7/30, G16Y20/00, G06F16/2458
[2024/28]
CPC:
G06F16/1744 (EP,CN,KR); G06F16/2474 (CN,KR,US); G06F16/2282 (CN,KR);
G06F16/24561 (US); G06F16/24568 (EP); G06F16/2477 (EP);
H03M7/30 (US); G06F2212/401 (EP,KR); Y02D10/00 (EP) (-)
Former IPC [2023/01]G06F16/174, G06F16/20, H03M7/30, G16Y20/00, G06F16/2458
Former IPC [2022/43]G06F16/90, G06F16/20, H03M7/30, G16Y20/00
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 [2022/43]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN UND VORRICHTUNG ZUM SPEICHERN UND ABFRAGEN VON ZEITREIHENDATEN SOWIE SERVER UND SPEICHERMEDIUM DAFÜR[2022/43]
English:METHOD AND APPARATUS FOR STORING AND QUERYING TIME SERIES DATA, AND SERVER AND STORAGE MEDIUM THEREOF[2022/43]
French:PROCÉDÉ ET APPAREIL DE MÉMORISATION ET D'INTERROGATION DE DONNÉES DE SÉRIE CHRONOLOGIQUE ET SERVEUR ET SUPPORT DE STOCKAGE ASSOCIÉS[2022/43]
Entry into regional phase29.06.2022National basic fee paid 
29.06.2022Search fee paid 
29.06.2022Designation fee(s) paid 
29.06.2022Examination fee paid 
Examination procedure18.10.2021Request for preliminary examination filed
International Preliminary Examining Authority: SG
29.06.2022Examination requested  [2022/43]
04.07.2023Amendment by applicant (claims and/or description)
04.07.2023Date on which the examining division has become responsible
25.09.2023Despatch of a communication from the examining division (Time limit: M04)
27.02.2024Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
25.04.2024Reply to a communication from the examining division
17.07.2024Communication of intention to grant the patent
08.10.2024Fee for grant paid
08.10.2024Fee for publishing/printing paid
08.10.2024Receipt of the translation of the claim(s)
Opposition(s)21.08.2025No opposition filed within time limit [2025/43]
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the examination report
25.04.2024Request for further processing filed
25.04.2024Full payment received (date of receipt of payment)
Request granted
02.05.2024Decision despatched
Fees paidRenewal fee
22.12.2022Renewal fee patent year 03
30.04.2024Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
31.12.202304   M06   Fee paid on   30.04.2024
Opt-out from the exclusive  Tooltip
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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  TooltipAT20.11.2024
BG20.11.2024
CZ20.11.2024
DK20.11.2024
EE20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
IT20.11.2024
LV20.11.2024
MC20.11.2024
PL20.11.2024
RO20.11.2024
SE20.11.2024
SK20.11.2024
SM20.11.2024
IE15.12.2024
LU15.12.2024
NO20.02.2025
RS20.02.2025
GR21.02.2025
IS20.03.2025
PT20.03.2025
[2025/48]
Former [2025/43]AT20.11.2024
BG20.11.2024
CZ20.11.2024
DK20.11.2024
EE20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
IT20.11.2024
LV20.11.2024
MC20.11.2024
PL20.11.2024
RO20.11.2024
SE20.11.2024
SK20.11.2024
SM20.11.2024
LU15.12.2024
NO20.02.2025
RS20.02.2025
GR21.02.2025
IS20.03.2025
PT20.03.2025
Former [2025/42]AT20.11.2024
BG20.11.2024
CZ20.11.2024
DK20.11.2024
EE20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
IT20.11.2024
LV20.11.2024
PL20.11.2024
RO20.11.2024
SE20.11.2024
SK20.11.2024
SM20.11.2024
LU15.12.2024
NO20.02.2025
RS20.02.2025
GR21.02.2025
IS20.03.2025
PT20.03.2025
Former [2025/39]AT20.11.2024
BG20.11.2024
CZ20.11.2024
DK20.11.2024
EE20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
IT20.11.2024
LV20.11.2024
PL20.11.2024
RO20.11.2024
SK20.11.2024
SM20.11.2024
LU15.12.2024
NO20.02.2025
RS20.02.2025
GR21.02.2025
IS20.03.2025
PT20.03.2025
Former [2025/36]AT20.11.2024
BG20.11.2024
CZ20.11.2024
DK20.11.2024
EE20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
IT20.11.2024
LV20.11.2024
PL20.11.2024
RO20.11.2024
SK20.11.2024
SM20.11.2024
NO20.02.2025
RS20.02.2025
GR21.02.2025
IS20.03.2025
PT20.03.2025
Former [2025/35]AT20.11.2024
BG20.11.2024
DK20.11.2024
EE20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
LV20.11.2024
PL20.11.2024
RO20.11.2024
SM20.11.2024
NO20.02.2025
RS20.02.2025
GR21.02.2025
IS20.03.2025
PT20.03.2025
Former [2025/33]AT20.11.2024
BG20.11.2024
DK20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
LV20.11.2024
PL20.11.2024
SM20.11.2024
NO20.02.2025
RS20.02.2025
GR21.02.2025
IS20.03.2025
PT20.03.2025
Former [2025/32]AT20.11.2024
BG20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
LV20.11.2024
PL20.11.2024
SM20.11.2024
NO20.02.2025
RS20.02.2025
GR21.02.2025
IS20.03.2025
PT20.03.2025
Former [2025/23]AT20.11.2024
BG20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
LV20.11.2024
PL20.11.2024
NO20.02.2025
RS20.02.2025
GR21.02.2025
IS20.03.2025
PT20.03.2025
Former [2025/22]AT20.11.2024
BG20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
LV20.11.2024
NO20.02.2025
GR21.02.2025
IS20.03.2025
PT20.03.2025
Former [2025/21]BG20.11.2024
ES20.11.2024
FI20.11.2024
HR20.11.2024
IS20.03.2025
PT20.03.2025
Documents cited:Search[I] US2018284741  (CELLA CHARLES HOWARD et al.) [I] 1-9 * paragraph [0002] * * paragraph [0027] * * paragraph [0078] * * paragraph [0223] - paragraph [0224] * * paragraph [0281] * * paragraph [0309] - paragraph [0316] * * paragraph [0320] - paragraph [0321] * * paragraph [0336] - paragraph [0339] * * paragraph [0342] - paragraph [0349] * * paragraph [0423] - paragraph [0430] * * paragraph [0457] - paragraph [0461] * * paragraph [0654] - paragraph [0657] * * paragraph [0846] * * paragraph [0938] * * paragraph [1154] * * paragraph [1210] * * paragraph [1310] * * paragraph [1425] * * paragraph [1530] * * paragraph [1565] * * paragraph [1634] * * paragraph [0538] *
 [A]   ANONYMOUS: "Huffman coding", WIKIPEDIA, THE FREE ENCYCLOPEDIA, 18 January 2013 (2013-01-18), pages 1 - 10, XP055303125, Retrieved from the Internet [retrieved on 20160915] [A] 1-9 * the whole document *
International search[Y] CN109582708  (AUTOMATION RES AND DESIGN INSTITUTE OF METALLURGICAL INDUSTRY et al.) [Y] 1, 7-10 * Fig. 3 and paras. [0002], [0021]-[0023], [0025] of the original non-English language document (a machine translation is enclosed only for your reference) *
 [Y] CN108021650  (AUTOMATION RES AND DESIGN INSTITUTE OF METALLURGICAL INDUSTRY et al.) [Y] 1, 7-10 * Paras. [0002], [0019]-[0021] of the original non-English language document (a machine translation is enclosed only for your reference) *
 [Y] CN106021395  (CHENGDU DINGZHIHUI TECH CO LTD et al.) [Y] 1, 7-10 * Paras. [0007]-[0009], [0028], [0041] of the original non-English language document (a machine translation is enclosed only for your reference) *
 [A] US2018373756  (MADALA SESHATALPASAI et al.) [A] 0 * Para. [0024] *
 [A] WO2018049430  (INTEGEM INC et al.) [A] 0 * Para. [00348] *
 [A] CN108256088  (UNIV TSINGHUA et al.) [A] 0 * The whole document of the original non-English language document (a machine translation is enclosed only for your reference) *
by applicantUS2018284741
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.