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Extract from the Register of European Patents

EP About this file: EP4050840

EP4050840 - METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR ENCRYPTION KEY MANAGEMENT WITHIN A GROUP-BASED COMMUNICATION SYSTEM [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.06.2024
Database last updated on 21.03.2025
FormerThe patent has been granted
Status updated on  30.06.2023
FormerGrant of patent is intended
Status updated on  16.10.2022
FormerRequest for examination was made
Status updated on  12.08.2022
FormerThe application has been published
Status updated on  29.07.2022
Most recent event   Tooltip07.02.2025Lapse of the patent in a contracting state
New state(s): MC		published on 12.03.2025  [2025/11]
Applicant(s)For all designated states
Salesforce, Inc.
Salesforce Tower
415 Mission Street, 3rd Floor
San Francisco, CA 94105 / US
[2023/28]
Former [2022/35]For all designated states
Slack Technologies, Inc.
500 Howard Street
San Francisco, CA 94105 / US
Inventor(s)01 / CROWLEY, Richard
San Francisco, 94105 / US
02 / DRUMMOND, Audrei
San Francisco, 94105 / US
03 / FAIN, Jessica
San Francisco, 94105 / US
04 / JONES, Leah
San Francisco, 94105 / US
05 / FRANK, Ilan
San Francisco, 94105 / US
06 / KINKEL, Nikolas
San Francisco, 94105 / US
 [2022/35]
Representative(s)Bryn-Jacobsen, Caelia, et al
Kilburn & Strode LLP
Lacon London
84 Theobalds Road
London WC1X 8NL / GB
[2022/35]
Application number, filing date22167254.606.06.2019
[2022/35]
Priority number, dateUS201862681578P06.06.2018         Original published format: US 201862681578 P
[2022/35]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4050840
Date:31.08.2022
Language:EN
[2022/35]
Type: B1 Patent specification 
No.:EP4050840
Date:02.08.2023
Language:EN
[2023/31]
Search report(s)(Supplementary) European search report - dispatched on:EP15.07.2022
ClassificationIPC:H04L9/08, H04L9/14, H04L9/32
[2022/35]
CPC:
H04L9/0861 (EP,KR,US); H04L9/0833 (KR,US); H04L9/0618 (KR,US);
H04L9/083 (EP); H04L9/0891 (KR,US); H04L9/0894 (EP,KR);
H04L9/14 (EP,KR); H04L9/321 (EP,KR) (-)
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 [2022/37]
Former [2022/35]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, VORRICHTUNG UND COMPUTERPROGRAMMPRODUKT ZUR VERSCHLÜSSELUNGSSCHLÜSSELVERWALTUNG IN EINEM GRUPPENBASIERTEN KOMMUNIKATIONSSYSTEM[2022/35]
English:METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR ENCRYPTION KEY MANAGEMENT WITHIN A GROUP-BASED COMMUNICATION SYSTEM[2022/35]
French:PROCÉDÉ, APPAREIL ET PRODUIT-PROGRAMME D'ORDINATEUR PERMETTANT DE GÉRER UNE CLÉ DE CHIFFREMENT DANS UN SYSTÈME DE COMMUNICATION BASÉE SUR UN GROUPE[2022/35]
Examination procedure04.08.2022Examination requested  [2022/37]
04.08.2022Date on which the examining division has become responsible
17.10.2022Communication of intention to grant the patent
17.02.2023Fee for grant paid
17.02.2023Fee for publishing/printing paid
20.02.2023Receipt of the translation of the claim(s)
Parent application(s)   TooltipEP19734545.7  / EP3777015
Opposition(s)03.05.2024No opposition filed within time limit [2024/28]
Fees paidRenewal fee
07.04.2022Renewal fee patent year 03
07.04.2022Renewal fee patent year 04
12.06.2023Renewal fee patent year 05
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  TooltipAT02.08.2023
BG02.08.2023
CZ02.08.2023
DK02.08.2023
EE02.08.2023
ES02.08.2023
FI02.08.2023
HR02.08.2023
IT02.08.2023
LT02.08.2023
LV02.08.2023
MC02.08.2023
NL02.08.2023
PL02.08.2023
RO02.08.2023
RS02.08.2023
SE02.08.2023
SI02.08.2023
SK02.08.2023
SM02.08.2023
NO02.11.2023
GR03.11.2023
IS02.12.2023
PT04.12.2023
[2025/11]
Former [2024/51]AT02.08.2023
BG02.08.2023
CZ02.08.2023
DK02.08.2023
EE02.08.2023
ES02.08.2023
FI02.08.2023
HR02.08.2023
IT02.08.2023
LT02.08.2023
LV02.08.2023
NL02.08.2023
PL02.08.2023
RO02.08.2023
RS02.08.2023
SE02.08.2023
SI02.08.2023
SK02.08.2023
SM02.08.2023
NO02.11.2023
GR03.11.2023
IS02.12.2023
PT04.12.2023
Former [2024/37]AT02.08.2023
CZ02.08.2023
DK02.08.2023
EE02.08.2023
ES02.08.2023
FI02.08.2023
HR02.08.2023
IT02.08.2023
LT02.08.2023
LV02.08.2023
NL02.08.2023
PL02.08.2023
RO02.08.2023
RS02.08.2023
SE02.08.2023
SI02.08.2023
SK02.08.2023
SM02.08.2023
NO02.11.2023
GR03.11.2023
IS02.12.2023
PT04.12.2023
Former [2024/27]AT02.08.2023
CZ02.08.2023
DK02.08.2023
EE02.08.2023
ES02.08.2023
FI02.08.2023
HR02.08.2023
IT02.08.2023
LT02.08.2023
LV02.08.2023
NL02.08.2023
PL02.08.2023
RO02.08.2023
RS02.08.2023
SE02.08.2023
SK02.08.2023
SM02.08.2023
NO02.11.2023
GR03.11.2023
IS02.12.2023
PT04.12.2023
Former [2024/23]AT02.08.2023
CZ02.08.2023
DK02.08.2023
EE02.08.2023
ES02.08.2023
FI02.08.2023
HR02.08.2023
LT02.08.2023
LV02.08.2023
NL02.08.2023
PL02.08.2023
RO02.08.2023
RS02.08.2023
SE02.08.2023
SK02.08.2023
SM02.08.2023
NO02.11.2023
GR03.11.2023
IS02.12.2023
PT04.12.2023
Former [2024/22]AT02.08.2023
CZ02.08.2023
DK02.08.2023
FI02.08.2023
HR02.08.2023
LT02.08.2023
LV02.08.2023
NL02.08.2023
PL02.08.2023
RO02.08.2023
RS02.08.2023
SE02.08.2023
SM02.08.2023
NO02.11.2023
GR03.11.2023
IS02.12.2023
PT04.12.2023
Former [2024/20]AT02.08.2023
FI02.08.2023
HR02.08.2023
LT02.08.2023
LV02.08.2023
NL02.08.2023
PL02.08.2023
RS02.08.2023
SE02.08.2023
SM02.08.2023
NO02.11.2023
GR03.11.2023
IS02.12.2023
PT04.12.2023
Former [2024/10]AT02.08.2023
FI02.08.2023
HR02.08.2023
LT02.08.2023
LV02.08.2023
NL02.08.2023
PL02.08.2023
RS02.08.2023
SE02.08.2023
NO02.11.2023
GR03.11.2023
IS02.12.2023
PT04.12.2023
Former [2024/09]AT02.08.2023
FI02.08.2023
LT02.08.2023
NL02.08.2023
SE02.08.2023
NO02.11.2023
GR03.11.2023
IS02.12.2023
Former [2024/08]LT02.08.2023
NL02.08.2023
NO02.11.2023
GR03.11.2023
Documents cited:Search[A]WO2014204862  (AMAZON TECH INC [US]);
 [A]US2018048464  (LIM KENG [US], et al)
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.