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Extract from the Register of European Patents

EP About this file: EP3964977

EP3964977 - CACHING OF DATA SETS IN A DISTRIBUTED DATABASE SYSTEM [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  20.03.2026
Database last updated on 20.03.2026
FormerGrant of patent is intended
Status updated on  05.02.2026
FormerExamination is in progress
Status updated on  16.01.2026
FormerGrant of patent is intended
Status updated on  12.11.2025
FormerExamination is in progress
Status updated on  28.03.2025
FormerRequest for examination was made
Status updated on  27.05.2022
FormerThe application has been published
Status updated on  04.02.2022
Most recent event   Tooltip20.03.2026(Expected) grantpublished on 22.04.2026 [2026/17]
Applicant(s)For all designated states
Bundesdruckerei GmbH
Kommandantenstraße 18
10969 Berlin / DE
[2025/46]
Former [2022/10]For all designated states
Bundesdruckerei GmbH
Kommandantenstraße 18
10969 Berlin / DE
Inventor(s)01 / WILKE, Andreas
13509 Berlin / DE
02 / KOMAROV, Ilya
13507 Berlin / DE
 [2025/49]
Former [2022/10]01 / Dr. WILKE, Andreas
13509 Berlin / DE
02 / KOMAROV, Ilya
13507 Berlin / DE
Representative(s)Richardt Patentanwälte PartG mbB
Wilhelmstraße 7
65185 Wiesbaden / DE
[2022/10]
Application number, filing date21192180.419.08.2021
[2022/10]
Priority number, dateDE20201012198621.08.2020         Original published format: DE102020121986
[2022/10]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP3964977
Date:09.03.2022
Language:DE
[2022/10]
Type: B1 Patent specification
No.:EP3964977
Date:22.04.2026
Language:DE
[2026/17]
Search report(s)(Supplementary) European search report - dispatched on:EP03.02.2022
ClassificationIPC:G06F16/27, G06F16/2455, G06F21/62
[2022/10]
CPC:
G06F16/24552 (EP); G06F16/27 (EP); G06F21/6218 (EP)
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 [2022/26]
Former [2022/10]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:CACHING VON DATENSÄTZEN IN EINEM VERTEILTEN DATENBANKSYSTEM[2022/10]
English:CACHING OF DATA SETS IN A DISTRIBUTED DATABASE SYSTEM[2022/10]
French:MISE EN CACHE DES ENSEMBLES DE DONNÉES DANS UN SYSTÈME DE BASE DE DONNÉES DISTRIBUÉ[2022/10]
Examination procedure20.05.2022Amendment by applicant (claims and/or description)
20.05.2022Examination requested  [2022/26]
20.05.2022Date on which the examining division has become responsible
31.03.2025Despatch of a communication from the examining division (Time limit: M04)
25.06.2025Reply to a communication from the examining division
13.11.2025Communication of intention to grant the patent
14.01.2026Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
05.02.2026Communication of intention to grant the patent
12.03.2026Fee for grant paid
12.03.2026Fee for publishing/printing paid
12.03.2026Receipt of the translation of the claim(s)
Fees paidRenewal fee
18.08.2023Renewal fee patent year 03
26.08.2024Renewal fee patent year 04
25.08.2025Renewal fee patent year 05
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Documents cited:Search[I] EP3683684  (SONY CORP et al.)
 [A] US5924094  (SUTTER HERBERT P et al.)
 [A]   UGOBAME UCHIBEKE UCHI ET AL: "Blockchain Access Control Ecosystem for Big Data Security", 2018 IEEE INTERNATIONAL CONFERENCE ON INTERNET OF THINGS (ITHINGS) AND IEEE GREEN COMPUTING AND COMMUNICATIONS (GREENCOM) AND IEEE CYBER, PHYSICAL AND SOCIAL COMPUTING (CPSCOM) AND IEEE SMART DATA (SMARTDATA), IEEE, 30 July 2018 (2018-07-30), pages 1373 - 1378, XP033556175, DOI: 10.1109/CYBERMATICS_2018.2018.00236

DOI:   http://dx.doi.org/10.1109/Cybermatics_2018.2018.00236
 [A]   SABRINA DE CAPITANI DI VIMERCATI ET AL: "Integrating trust management and access control in data-intensive Web applications", ACM TRANSACTIONS ON THE WEB (TWEB), vol. 6, no. 2, 1 May 2012 (2012-05-01), 2 Penn Plaza, Suite 701 New York NY 10121-0701 USA, pages 1 - 43, XP055446944, ISSN: 1559-1131, DOI: 10.1145/2180861.2180863

DOI:   http://dx.doi.org/10.1145/2180861.2180863
Examination  YANG CAIXIA ET AL: "AuthPrivacyChain: A Blockchain-Based Access Control Framework With Privacy Protection in Cloud", IEEE ACCESS, IEEE, USA, vol. 8, 6 April 2020 (2020-04-06), pages 70604 - 70615, XP011785065, [retrieved on 20200422], DOI: 10.1109/ACCESS.2020.2985762

DOI:   http://dx.doi.org/10.1109/ACCESS.2020.2985762
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.