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Extract from the Register of European Patents

EP About this file: EP3886397

EP3886397 - SECURITY KEY DERIVATION IN DUAL CONNECTIVITY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.11.2023
Database last updated on 15.11.2024
FormerThe patent has been granted
Status updated on  16.12.2022
FormerGrant of patent is intended
Status updated on  02.08.2022
FormerRequest for examination was made
Status updated on  27.08.2021
Most recent event   Tooltip15.11.2024Lapse of the patent in a contracting state
New state(s): BG		published on 18.12.2024 [2024/51]
Applicant(s)For all designated states
Sun Patent Trust
437 Madison Avenue, 35th Floor
New York, NY 10022 / US
[2021/39]
Inventor(s)01 / BASU MALLICK, Prateek
63225 Langen / DE
02 / LÖHR, Joachim
63225 Langen / DE
 [2021/39]
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstraße 4
80802 München / DE
[2021/39]
Application number, filing date21173206.021.03.2014
[2021/39]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3886397
Date:29.09.2021
Language:EN
[2021/39]
Type: B1 Patent specification 
No.:EP3886397
Date:18.01.2023
Language:EN
[2023/03]
Search report(s)(Supplementary) European search report - dispatched on:EP27.08.2021
ClassificationIPC:H04L9/40, H04W12/04, H04W12/082, H04W76/15, H04W76/19
[2022/31]
CPC:
H04L63/068 (EP,BR,CN,KR,RU,US); H04L63/06 (EP,RU,US); H04W12/04 (EP,BR,CN,KR,RU,US);
H04L63/1441 (KR,RU,US); H04L63/1416 (KR,RU,US); H04W12/082 (EP,RU,US);
H04W76/15 (EP,BR,KR,RU,US); H04W76/19 (EP,BR,KR,RU,US); H04L2463/061 (EP,BR,CN,KR,US) (-)
Former IPC [2021/39]H04L29/06, H04W12/04, H04W76/19, H04W76/15, H04W12/082
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 [2021/39]
TitleGerman:SICHERHEITSSCHLÜSSELABLEITUNG BEI DUALER KONNEKTIVITÄT[2021/39]
English:SECURITY KEY DERIVATION IN DUAL CONNECTIVITY[2021/39]
French:DÉRIVATION DE CLÉS DE SÉCURITÉ À CONNECTIVITÉ DOUBLE[2021/39]
Examination procedure11.05.2021Examination requested  [2021/39]
03.08.2022Communication of intention to grant the patent
12.12.2022Fee for grant paid
12.12.2022Fee for publishing/printing paid
12.12.2022Receipt of the translation of the claim(s)
Parent application(s)   TooltipEP14001067.9  / EP2922326
EP18194573.4  / EP3451621
Divisional application(s)EP22212220.2  / EP4167615
Opposition(s)19.10.2023No opposition filed within time limit [2023/52]
Fees paidRenewal fee
11.05.2021Renewal fee patent year 03
11.05.2021Renewal fee patent year 04
11.05.2021Renewal fee patent year 05
11.05.2021Renewal fee patent year 06
11.05.2021Renewal fee patent year 07
11.05.2021Renewal fee patent year 08
25.03.2022Renewal fee patent year 09
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  TooltipAT18.01.2023
BG18.01.2023
CZ18.01.2023
DK18.01.2023
EE18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
IT18.01.2023
LT18.01.2023
LV18.01.2023
MC18.01.2023
NL18.01.2023
PL18.01.2023
RO18.01.2023
RS18.01.2023
SE18.01.2023
SI18.01.2023
SK18.01.2023
SM18.01.2023
IE21.03.2023
LU21.03.2023
BE31.03.2023
CH31.03.2023
LI31.03.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
[2024/51]
Former [2024/27]AT18.01.2023
CZ18.01.2023
DK18.01.2023
EE18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
IT18.01.2023
LT18.01.2023
LV18.01.2023
MC18.01.2023
NL18.01.2023
PL18.01.2023
RO18.01.2023
RS18.01.2023
SE18.01.2023
SI18.01.2023
SK18.01.2023
SM18.01.2023
IE21.03.2023
LU21.03.2023
BE31.03.2023
CH31.03.2023
LI31.03.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
Former [2024/11]AT18.01.2023
CZ18.01.2023
DK18.01.2023
EE18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
MC18.01.2023
NL18.01.2023
PL18.01.2023
RO18.01.2023
RS18.01.2023
SE18.01.2023
SI18.01.2023
SK18.01.2023
SM18.01.2023
IE21.03.2023
LU21.03.2023
BE31.03.2023
CH31.03.2023
LI31.03.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
Former [2024/09]AT18.01.2023
CZ18.01.2023
DK18.01.2023
EE18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
MC18.01.2023
NL18.01.2023
PL18.01.2023
RO18.01.2023
RS18.01.2023
SE18.01.2023
SK18.01.2023
SM18.01.2023
IE21.03.2023
LU21.03.2023
CH31.03.2023
LI31.03.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
Former [2024/08]AT18.01.2023
CZ18.01.2023
DK18.01.2023
EE18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
MC18.01.2023
NL18.01.2023
PL18.01.2023
RO18.01.2023
RS18.01.2023
SE18.01.2023
SK18.01.2023
SM18.01.2023
IE21.03.2023
LU21.03.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
Former [2024/02]AT18.01.2023
CZ18.01.2023
DK18.01.2023
EE18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
MC18.01.2023
NL18.01.2023
PL18.01.2023
RO18.01.2023
RS18.01.2023
SE18.01.2023
SK18.01.2023
SM18.01.2023
LU21.03.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
Former [2023/50]AT18.01.2023
CZ18.01.2023
DK18.01.2023
EE18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
MC18.01.2023
NL18.01.2023
PL18.01.2023
RO18.01.2023
RS18.01.2023
SE18.01.2023
SK18.01.2023
SM18.01.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
Former [2023/49]AT18.01.2023
CZ18.01.2023
DK18.01.2023
EE18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
MC18.01.2023
NL18.01.2023
PL18.01.2023
RO18.01.2023
RS18.01.2023
SE18.01.2023
SM18.01.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
Former [2023/48]AT18.01.2023
DK18.01.2023
EE18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
MC18.01.2023
NL18.01.2023
PL18.01.2023
RS18.01.2023
SE18.01.2023
SM18.01.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
Former [2023/46]AT18.01.2023
DK18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
NL18.01.2023
PL18.01.2023
RS18.01.2023
SE18.01.2023
SM18.01.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
Former [2023/39]AT18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
NL18.01.2023
PL18.01.2023
RS18.01.2023
SE18.01.2023
NO18.04.2023
GR19.04.2023
IS18.05.2023
PT18.05.2023
Former [2023/38]AT18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
NL18.01.2023
PL18.01.2023
RS18.01.2023
SE18.01.2023
NO18.04.2023
GR19.04.2023
PT18.05.2023
Former [2023/37]AT18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
NL18.01.2023
RS18.01.2023
SE18.01.2023
NO18.04.2023
GR19.04.2023
PT18.05.2023
Former [2023/36]AT18.01.2023
ES18.01.2023
FI18.01.2023
HR18.01.2023
LT18.01.2023
LV18.01.2023
NL18.01.2023
RS18.01.2023
SE18.01.2023
NO18.04.2023
PT18.05.2023
Former [2023/35]AT18.01.2023
ES18.01.2023
HR18.01.2023
LT18.01.2023
NL18.01.2023
RS18.01.2023
NO18.04.2023
PT18.05.2023
Former [2023/34]ES18.01.2023
LT18.01.2023
NL18.01.2023
RS18.01.2023
PT18.05.2023
Former [2023/33]ES18.01.2023
LT18.01.2023
NL18.01.2023
Former [2023/31]NL18.01.2023
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.