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Extract from the Register of European Patents

EP About this file: EP4030803

EP4030803 - METHOD AND SYSTEM FOR SECURE IOT DEVICE ONBOARDING USING A BLOCKCHAIN NETWORK [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  21.11.2025
Database last updated on 21.03.2026
FormerThe patent has been granted
Status updated on  13.12.2024
FormerGrant of patent is intended
Status updated on  03.10.2024
FormerExamination is in progress
Status updated on  01.03.2024
FormerRequest for examination was made
Status updated on  16.09.2022
FormerThe application has been published
Status updated on  17.06.2022
Most recent event   Tooltip21.11.2025No opposition filed within time limitpublished on 24.12.2025  [2025/52]
Applicant(s)For all designated states
Tata Consultancy Services Limited
Nirmal Building, 9th Floor
Nairman Point
Mumbai, Maharashtra 400 021 / IN
[N/P]
Former [2022/29]For all designated states
Tata Consultancy Services Limited
Nirmal Building 9th Floor
Nairman Point
Mumbai, Maharashtra 400021 / IN
Inventor(s)01 / SARKAR, SUMANTA
500081 Hyderabad, Telangana / IN
02 / BASHA, HABEEB
500081 Hyderabad, Telangana / IN
03 / CHARAKA, VINAYAK KUMAR
500081 Hyderabad, Telangana / IN
 [2022/29]
Representative(s)Goddar, Heinz J.
Boehmert & Boehmert
Anwaltspartnerschaft mbB
Pettenkoferstrasse 22
80336 München / DE
[2022/29]
Application number, filing date21208789.417.11.2021
[2022/29]
Priority number, dateIN20212100167313.01.2021         Original published format: IN202121001673
[2022/29]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4030803
Date:20.07.2022
Language:EN
[2022/29]
Type: B1 Patent specification 
No.:EP4030803
Date:15.01.2025
Language:EN
[2025/03]
Search report(s)(Supplementary) European search report - dispatched on:EP06.05.2022
ClassificationIPC:H04W12/069, H04W12/71, H04W12/00, H04L9/32, H04L9/40, H04L9/00, G06F21/44, G06F21/64
[2024/43]
CPC:
G06F21/44 (EP); H04L9/0825 (US); G06F21/64 (EP);
H04L63/0823 (EP); H04L63/0869 (EP); H04L63/0876 (EP);
H04L67/12 (EP); H04L9/0866 (US); H04L9/0869 (US);
H04L9/3239 (EP); H04L9/3247 (EP); H04L9/3268 (EP);
H04L9/3271 (EP); H04L9/3273 (US); H04L9/50 (EP);
H04W12/009 (EP); H04W12/069 (EP); H04W12/71 (EP) (-)
Former IPC [2022/29]H04W12/069, H04W12/71, H04W12/00, H04L9/32, H04L9/40, H04L9/08, G06F21/44, G06F21/64
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 [2022/42]  
Former [2022/29]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:VERFAHREN UND SYSTEM ZUM SICHEREN EINBINDEN VON IOT-VORRICHTUNGEN UNTER VERWENDUNG EINES BLOCKCHAIN-NETZWERKS[2022/29]
English:METHOD AND SYSTEM FOR SECURE IOT DEVICE ONBOARDING USING A BLOCKCHAIN NETWORK[2022/29]
French:PROCÉDÉ ET SYSTÈME D'EMBARQUEMENT SÉCURISÉ D'UN DISPOSITIF D'IDO AU MOYEN D'UN RÉSEAU DE CHAÎNE DE BLOCS[2022/29]
Examination procedure09.09.2022Amendment by applicant (claims and/or description)
09.09.2022Examination requested  [2022/42]
09.09.2022Date on which the examining division has become responsible
04.03.2024Despatch of a communication from the examining division (Time limit: M04)
16.05.2024Reply to a communication from the examining division
04.10.2024Communication of intention to grant the patent
10.12.2024Fee for grant paid
10.12.2024Fee for publishing/printing paid
10.12.2024Receipt of the translation of the claim(s)
Opposition(s)16.10.2025No opposition filed within time limit [2025/52]
Fees paidRenewal fee
24.11.2023Renewal fee patent year 03
26.11.2024Renewal fee patent year 04
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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  TooltipCZ15.01.2025
ES15.01.2025
HR15.01.2025
PL15.01.2025
SK15.01.2025
SM15.01.2025
NO15.04.2025
RS15.04.2025
GR16.04.2025
IS15.05.2025
[2025/49]
Former [2025/48]CZ15.01.2025
ES15.01.2025
HR15.01.2025
PL15.01.2025
SM15.01.2025
NO15.04.2025
RS15.04.2025
GR16.04.2025
IS15.05.2025
Former [2025/46]ES15.01.2025
HR15.01.2025
PL15.01.2025
SM15.01.2025
NO15.04.2025
RS15.04.2025
GR16.04.2025
IS15.05.2025
Former [2025/35]ES15.01.2025
HR15.01.2025
PL15.01.2025
NO15.04.2025
RS15.04.2025
GR16.04.2025
IS15.05.2025
Former [2025/34]ES15.01.2025
HR15.01.2025
PL15.01.2025
NO15.04.2025
RS15.04.2025
IS15.05.2025
Former [2025/33]ES15.01.2025
PL15.01.2025
RS15.04.2025
Documents cited:Search[XI] US10270770  (IRWAN SUSANTO JUNAIDI et al.) [X] 1,6,11 * abstract; figures 1-5 * * column 2, line 33 - column 15 *[I] 1-15
 [A] US2020242249  (KUMAR SRINIVAS et al.) [A] 1-15 * abstract; figure 1 * * paragraph [0010] - paragraph [0023] * * paragraph [0045] - paragraph [0135] *
 [A] WO2018236421  (HELDT SHELLER NATHAN et al.) [A] 1-15 * abstract; figures 4,8 * * paragraph [0015] - paragraph [0080] *
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.