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Extract from the Register of European Patents

EP About this file: EP3496332

EP3496332 - METHOD AND SYSTEM FOR SECURELY SHARING VALIDATION INFORMATION USING BLOCKCHAIN TECHNOLOGY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  06.05.2022
Database last updated on 08.10.2024
FormerThe patent has been granted
Status updated on  28.05.2021
FormerGrant of patent is intended
Status updated on  18.02.2021
FormerExamination is in progress
Status updated on  08.04.2020
FormerRequest for examination was made
Status updated on  08.11.2019
FormerThe application has been published
Status updated on  10.05.2019
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024 [2024/42]
Applicant(s)For all designated states
NEC Corporation
7-1, Shiba 5-chome
Minato-ku, Tokyo 108-8001 / JP
[2021/22]
Former [2019/24]For all designated states
NEC Laboratories Europe GmbH
Kurfürsten-Anlage 36
69115 Heidelberg / DE
Inventor(s)01 / Andreina, Sébastien
Schillerstrasse 11
76275 Ettlingen / DE
02 / Karame, Ghassan
Ringstraße 3
69115 Heidelberg / DE
 [2019/24]
Representative(s)Ullrich & Naumann PartG mbB
Schneidmühlstrasse 21
69115 Heidelberg / DE
[N/P]
Former [2019/24]Patent- und Rechtsanwälte Ullrich & Naumann
PartG mbB
Schneidmühlstrasse 21
69115 Heidelberg / DE
Application number, filing date18200456.415.10.2018
[2019/24]
Priority number, dateUS201762595634P07.12.2017         Original published format: US 201762595634 P
US20181614202826.09.2018         Original published format: US201816142028
[2019/24]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3496332
Date:12.06.2019
Language:EN
[2019/24]
Type: B1 Patent specification 
No.:EP3496332
Date:30.06.2021
Language:EN
[2021/26]
Search report(s)(Supplementary) European search report - dispatched on:EP06.05.2019
ClassificationIPC:H04L9/32, G06F21/64, H04L29/06, G06F21/62
[2021/09]
CPC:
H04L9/3236 (EP,US); G06F21/6281 (EP,US); G06F21/64 (EP,US);
H04L63/0428 (EP,US); H04L9/0618 (EP); H04L9/30 (US);
H04L9/50 (EP,US); G06F2221/2141 (EP,US); G06Q10/10 (EP,US);
G06Q30/0609 (EP,US); H04L2209/56 (US) (-)
Former IPC [2019/24]H04L9/32, G06F21/00, H04L29/06
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 [2019/50]
Former [2019/24]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 TEILEN VON VALIDIERUNGSINFORMATIONEN UNTER VERWENDUNG DER BLOCKKETTENTECHNOLOGIE[2019/24]
English:METHOD AND SYSTEM FOR SECURELY SHARING VALIDATION INFORMATION USING BLOCKCHAIN TECHNOLOGY[2019/24]
French:PROCÉDÉ ET SYSTÈME DE PARTAGE SÉCURISÉ D'INFORMATIONS DE VALIDATION À L'AIDE D'UNE TECHNOLOGIE DE CHAÎNE DE BLOCS[2019/24]
Examination procedure05.11.2019Amendment by applicant (claims and/or description)
05.11.2019Examination requested  [2019/50]
05.11.2019Date on which the examining division has become responsible
15.04.2020Despatch of a communication from the examining division (Time limit: M04)
11.05.2020Reply to a communication from the examining division
03.11.2020Despatch of a communication from the examining division (Time limit: M04)
26.11.2020Reply to a communication from the examining division
19.02.2021Communication of intention to grant the patent
26.04.2021Fee for grant paid
26.04.2021Fee for publishing/printing paid
26.04.2021Receipt of the translation of the claim(s)
Opposition(s)31.03.2022No opposition filed within time limit [2022/23]
Fees paidRenewal fee
23.10.2020Renewal fee patent year 03
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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  TooltipHU15.10.2018
AL30.06.2021
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CZ30.06.2021
DK30.06.2021
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IS30.10.2021
BE31.10.2021
CH31.10.2021
FR31.10.2021
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PT02.11.2021
[2024/42]
Former [2024/29]HU15.10.2018
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Documents cited:Search[IA]US2017236120  (HERLIHY MAURICE P [US], et al) [I] 1,11,15 * paragraph [0089] - paragraph [0120] * [A] 2-10,12-14;
 [AP]EP3285248  (ALCATEL LUCENT [FR]) [AP] 1,11,15 * figures 3,5 ** paragraph [0018] - paragraph [0025] *;
 [A]  - HUBERT RITZDORF ET AL, "Towards Shared Ownership in the Cloud", INTERNATIONAL ASSOCIATION FOR CRYPTOLOGIC RESEARCH,, (20170309), vol. 20170309:102132, pages 1 - 14, XP061022945 [A] 1-15 * paragraph [0003] - paragraph [0004] *
 [A]  - JASON K RESCH DEVELOPMENT CLEVERSAFE ET AL, "AONT-RS: Blending Security and Performance in Dispersed Storage Systems", USENIX,, (20101217), pages 1 - 12, XP061009899 [A] 1-15 * paragraph [0003] - paragraph [0004] *
 [A]  - GHASSAN O KARAME ET AL, "Securing Cloud Data in the New Attacker Model", INTERNATIONAL ASSOCIATION FOR CRYPTOLOGIC RESEARCH,, (20140716), vol. 20140718:123221, pages 1 - 19, XP061016652 [A] 1-15 * paragraph [0003] - paragraph [0004] *
by applicant   - "Towards scalable and private industrial blockchains", LI, W.; SFORZIN, A.; FEDOROV, S.; KARAME, G.O., Proceedings of the ACM Workshop on Blockchain, Cryptocurrencies and Contracts, BCC, ACM, (20170000), vol. 17, pages 9 - 14
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.