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Extract from the Register of European Patents

EP About this file: EP3869775

EP3869775 - DOUBLE-TALK STATE DETECTION METHOD AND DEVICE, AND ELECTRONIC DEVICE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.10.2023
Database last updated on 19.10.2024
FormerThe patent has been granted
Status updated on  18.11.2022
FormerGrant of patent is intended
Status updated on  30.08.2022
FormerExamination is in progress
Status updated on  03.06.2022
FormerRequest for examination was made
Status updated on  23.07.2021
Most recent event   Tooltip16.02.2024Lapse of the patent in a contracting state
New state(s): BE, SI		published on 20.03.2024  [2024/12]
Applicant(s)For all designated states
BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
3/F Baidu Campus
No. 10, Shangdi 10th Street
Haidian District
Beijing 100085 / CN
[2021/34]
Inventor(s)01 / WU, Junnan
3/F Baidu Campus, No. 10, Shangdi 10th Street
Haidian District
Beijing, 100085 / CN
02 / XU, Yangfei
3/F Baidu Campus, No. 10, Shangdi 10th Street
Haidian District
Beijing, 100085 / CN
03 / NING, Jun
3/F Baidu Campus, No. 10, Shangdi 10th Street
Haidian District
Beijing, 100085 / CN
04 / GONG, Yuzhou
3/F Baidu Campus, No. 10, Shangdi 10th Street
Haidian District
Beijing, 100085 / CN
05 / ZHOU, Nan
3/F Baidu Campus, No. 10, Shangdi 10th Street
Haidian District
Beijing, 100085 / CN
 [2021/34]
Representative(s)Weickmann & Weickmann PartmbB
Postfach 860 820
81635 München / DE
[N/P]
Former [2021/34]Jordan, Volker Otto Wilhelm
Weickmann & Weickmann
Patent- und Rechtsanwälte PartmbB
Postfach 860 820
81635 München / DE
Application number, filing date21155668.308.02.2021
[2021/34]
Priority number, dateCN20201010594720.02.2020         Original published format: CN202010105947
[2021/34]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3869775
Date:25.08.2021
Language:EN
[2021/34]
Type: B1 Patent specification 
No.:EP3869775
Date:21.12.2022
Language:EN
[2022/51]
Search report(s)(Supplementary) European search report - dispatched on:EP28.05.2021
ClassificationIPC:H04M9/08
[2021/34]
CPC:
H04M9/082 (EP,US); G10L19/0204 (CN,KR); G10L21/0232 (US);
G10L21/0216 (KR); G10L25/18 (KR,US); G10L25/21 (US);
G10L25/51 (CN,KR,US); H04M3/002 (US); G10L2021/02082 (US) (-)
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 [2021/34]
TitleGerman:VERFAHREN UND VORRICHTUNG ZUR ERKENNUNG EINES DOPPELSPRECHZUSTANDS UND ELEKTRONISCHE VORRICHTUNG[2021/34]
English:DOUBLE-TALK STATE DETECTION METHOD AND DEVICE, AND ELECTRONIC DEVICE[2021/34]
French:PROCÉDÉ ET DISPOSITIF DE DÉTECTION D'ÉTAT DE DOUBLE PAROLE ET DISPOSITIF ÉLECTRONIQUE[2021/34]
Examination procedure08.02.2021Examination requested  [2021/34]
21.02.2022Amendment by applicant (claims and/or description)
08.06.2022Invitation to indicate the basis for amendments (Time limit: M01)
27.06.2022Reply to an invitation to indicate the basis for amendments
31.08.2022Communication of intention to grant the patent
09.11.2022Fee for grant paid
09.11.2022Fee for publishing/printing paid
09.11.2022Receipt of the translation of the claim(s)
Opposition(s)22.09.2023No opposition filed within time limit [2023/48]
Opt-out from the exclusive  Tooltip
competence of the Unified
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  TooltipAL21.12.2022
AT21.12.2022
CZ21.12.2022
DK21.12.2022
EE21.12.2022
ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
MC21.12.2022
NL21.12.2022
PL21.12.2022
RO21.12.2022
RS21.12.2022
SE21.12.2022
SI21.12.2022
SK21.12.2022
SM21.12.2022
IE08.02.2023
LU08.02.2023
BE28.02.2023
NO21.03.2023
GR22.03.2023
IS21.04.2023
PT21.04.2023
[2024/11]
Former [2024/08]AL21.12.2022
AT21.12.2022
CZ21.12.2022
DK21.12.2022
EE21.12.2022
ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
MC21.12.2022
NL21.12.2022
PL21.12.2022
RO21.12.2022
RS21.12.2022
SE21.12.2022
SK21.12.2022
SM21.12.2022
IE08.02.2023
LU08.02.2023
NO21.03.2023
GR22.03.2023
IS21.04.2023
PT21.04.2023
Former [2023/49]AL21.12.2022
AT21.12.2022
CZ21.12.2022
DK21.12.2022
EE21.12.2022
ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
MC21.12.2022
NL21.12.2022
PL21.12.2022
RO21.12.2022
RS21.12.2022
SE21.12.2022
SK21.12.2022
SM21.12.2022
LU08.02.2023
NO21.03.2023
GR22.03.2023
IS21.04.2023
PT21.04.2023
Former [2023/46]AL21.12.2022
AT21.12.2022
CZ21.12.2022
DK21.12.2022
EE21.12.2022
ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
MC21.12.2022
NL21.12.2022
PL21.12.2022
RO21.12.2022
RS21.12.2022
SE21.12.2022
SK21.12.2022
SM21.12.2022
NO21.03.2023
GR22.03.2023
IS21.04.2023
PT21.04.2023
Former [2023/44]AL21.12.2022
AT21.12.2022
CZ21.12.2022
EE21.12.2022
ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
MC21.12.2022
NL21.12.2022
PL21.12.2022
RO21.12.2022
RS21.12.2022
SE21.12.2022
SK21.12.2022
SM21.12.2022
NO21.03.2023
GR22.03.2023
IS21.04.2023
PT21.04.2023
Former [2023/39]AL21.12.2022
AT21.12.2022
CZ21.12.2022
EE21.12.2022
ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
NL21.12.2022
PL21.12.2022
RO21.12.2022
RS21.12.2022
SE21.12.2022
SK21.12.2022
SM21.12.2022
NO21.03.2023
GR22.03.2023
IS21.04.2023
PT21.04.2023
Former [2023/38]AL21.12.2022
AT21.12.2022
CZ21.12.2022
EE21.12.2022
ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
NL21.12.2022
PL21.12.2022
RO21.12.2022
RS21.12.2022
SE21.12.2022
SK21.12.2022
SM21.12.2022
NO21.03.2023
GR22.03.2023
PT21.04.2023
Former [2023/37]AL21.12.2022
AT21.12.2022
CZ21.12.2022
EE21.12.2022
ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
NL21.12.2022
RO21.12.2022
RS21.12.2022
SE21.12.2022
SM21.12.2022
NO21.03.2023
GR22.03.2023
PT21.04.2023
Former [2023/35]AT21.12.2022
CZ21.12.2022
EE21.12.2022
ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
NL21.12.2022
RO21.12.2022
RS21.12.2022
SE21.12.2022
SM21.12.2022
NO21.03.2023
GR22.03.2023
PT21.04.2023
Former [2023/34]EE21.12.2022
ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
NL21.12.2022
RS21.12.2022
SE21.12.2022
SM21.12.2022
NO21.03.2023
GR22.03.2023
PT21.04.2023
Former [2023/33]ES21.12.2022
FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
NL21.12.2022
RS21.12.2022
SE21.12.2022
SM21.12.2022
NO21.03.2023
GR22.03.2023
Former [2023/29]FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
NL21.12.2022
RS21.12.2022
SE21.12.2022
NO21.03.2023
GR22.03.2023
Former [2023/25]FI21.12.2022
HR21.12.2022
LT21.12.2022
LV21.12.2022
RS21.12.2022
SE21.12.2022
NO21.03.2023
GR22.03.2023
Former [2023/23]FI21.12.2022
LT21.12.2022
LV21.12.2022
SE21.12.2022
NO21.03.2023
GR22.03.2023
Former [2023/22]FI21.12.2022
LT21.12.2022
SE21.12.2022
NO21.03.2023
Former [2023/20]LT21.12.2022
NO21.03.2023
Documents cited:Search[A]US2010150376  (ITOU TAISUKE [JP]) [A] 1-14* paragraphs [0054] - [0062]; figures 12,13 *;
 [A]US7764783  (PAI WAN-CHIEH [US], et al) [A] 1-14 * column 3, line 61 - column 6, line 53; figure 3 *
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.