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Extract from the Register of European Patents

EP About this file: EP4139920

EP4139920 - TEXT-BASED ECHO CANCELLATION [Right-click to bookmark this link]
Former [2023/09]TEXTUAL ECHO CANCELATION
[2023/39]
StatusNo opposition filed within time limit
Status updated on  10.01.2025
Database last updated on 21.01.2025
FormerThe patent has been granted
Status updated on  02.02.2024
FormerGrant of patent is intended
Status updated on  13.09.2023
FormerRequest for examination was made
Status updated on  27.01.2023
FormerThe international publication has been made
Status updated on  17.12.2021
Formerunknown
Status updated on  10.04.2021
Most recent event   Tooltip17.01.2025Lapse of the patent in a contracting state
New state(s): BE, DK		published on 19.02.2025 [2025/08]
Applicant(s)For all designated states
Google LLC
1600 Amphitheatre Parkway
Mountain View, CA 94043 / US
[2023/09]
Inventor(s)01 / WANG, Quan
Mountain View, CA 94043 / US
 [2023/09]
Representative(s)Durling, Barbara Eleanor Ravenhill, et al
Kilburn & Strode LLP
Lacon London
84 Theobalds Road
London WC1X 8NL / GB
[2023/09]
Application number, filing date21715745.211.03.2021
[2023/09]
WO2021US22008
Priority number, dateUS202063037137P10.06.2020         Original published format: US 202063037137 P
[2023/09]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021252039
Date:16.12.2021
Language:EN
[2021/50]
Type: A1 Application with search report 
No.:EP4139920
Date:01.03.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 16.12.2021 takes the place of the publication of the European patent application.
[2023/09]
Type: B1 Patent specification 
No.:EP4139920
Date:06.03.2024
Language:EN
[2024/10]
Search report(s)International search report - published on:EP16.12.2021
ClassificationIPC:G10L21/0208, G10L25/30, G10L13/02, G10L21/0216, G10L21/0264
[2023/09]
CPC:
G10L21/0208 (EP,KR,US); G10L25/93 (KR,US); G10L13/00 (US);
G10L13/02 (EP,KR); G10L15/063 (KR,US); G10L21/02 (US);
G10L21/0216 (EP,KR); G10L21/0264 (EP,KR); G10L25/30 (EP,KR,US);
G10L2021/02082 (EP,KR,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 [2023/09]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:TEXT-BASIERTE ECHO-UNTERDRÜCKUNG[2023/39]
English:TEXT-BASED ECHO CANCELLATION[2023/39]
French:ANNULATION D'ÉCHO BASÉE SUR TEXTE[2023/39]
Former [2023/09]TEXTECHOUNTERDRÜCKUNG
Former [2023/09]TEXTUAL ECHO CANCELATION
Former [2023/09]ANNULATION D'ÉCHO TEXTUEL
Entry into regional phase22.11.2022National basic fee paid 
22.11.2022Designation fee(s) paid 
22.11.2022Examination fee paid 
Examination procedure22.11.2022Examination requested  [2023/09]
22.11.2022Date on which the examining division has become responsible
23.06.2023Amendment by applicant (claims and/or description)
14.09.2023Communication of intention to grant the patent
24.01.2024Fee for grant paid
24.01.2024Fee for publishing/printing paid
24.01.2024Receipt of the translation of the claim(s)
Opposition(s)09.12.2024No opposition filed within time limit [2025/07]
Fees paidRenewal fee
27.03.2023Renewal fee patent year 03
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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  TooltipAT06.03.2024
BG06.03.2024
CZ06.03.2024
DK06.03.2024
EE06.03.2024
ES06.03.2024
FI06.03.2024
HR06.03.2024
IT06.03.2024
LT06.03.2024
LV06.03.2024
MC06.03.2024
NL06.03.2024
PL06.03.2024
RO06.03.2024
SE06.03.2024
SK06.03.2024
SM06.03.2024
LU11.03.2024
BE31.03.2024
NO06.06.2024
RS06.06.2024
GR07.06.2024
IS06.07.2024
PT08.07.2024
[2025/08]
Former [2025/07]AT06.03.2024
BG06.03.2024
CZ06.03.2024
EE06.03.2024
ES06.03.2024
FI06.03.2024
HR06.03.2024
IT06.03.2024
LT06.03.2024
LV06.03.2024
MC06.03.2024
NL06.03.2024
PL06.03.2024
RO06.03.2024
SE06.03.2024
SK06.03.2024
SM06.03.2024
LU11.03.2024
NO06.06.2024
RS06.06.2024
GR07.06.2024
IS06.07.2024
PT08.07.2024
Former [2025/02]AT06.03.2024
BG06.03.2024
CZ06.03.2024
EE06.03.2024
ES06.03.2024
FI06.03.2024
HR06.03.2024
IT06.03.2024
LT06.03.2024
LV06.03.2024
NL06.03.2024
PL06.03.2024
RO06.03.2024
SE06.03.2024
SK06.03.2024
SM06.03.2024
LU11.03.2024
NO06.06.2024
RS06.06.2024
GR07.06.2024
IS06.07.2024
PT08.07.2024
Former [2024/52]AT06.03.2024
BG06.03.2024
CZ06.03.2024
EE06.03.2024
ES06.03.2024
FI06.03.2024
HR06.03.2024
LT06.03.2024
LV06.03.2024
NL06.03.2024
PL06.03.2024
RO06.03.2024
SE06.03.2024
SK06.03.2024
SM06.03.2024
LU11.03.2024
NO06.06.2024
RS06.06.2024
GR07.06.2024
IS06.07.2024
PT08.07.2024
Former [2024/50]AT06.03.2024
BG06.03.2024
CZ06.03.2024
EE06.03.2024
ES06.03.2024
FI06.03.2024
HR06.03.2024
LT06.03.2024
LV06.03.2024
NL06.03.2024
PL06.03.2024
RO06.03.2024
SE06.03.2024
SK06.03.2024
SM06.03.2024
NO06.06.2024
RS06.06.2024
GR07.06.2024
IS06.07.2024
PT08.07.2024
Former [2024/48]AT06.03.2024
BG06.03.2024
CZ06.03.2024
EE06.03.2024
ES06.03.2024
FI06.03.2024
HR06.03.2024
LT06.03.2024
LV06.03.2024
NL06.03.2024
SE06.03.2024
SM06.03.2024
NO06.06.2024
RS06.06.2024
GR07.06.2024
IS06.07.2024
PT08.07.2024
Former [2024/41]BG06.03.2024
ES06.03.2024
FI06.03.2024
HR06.03.2024
LT06.03.2024
LV06.03.2024
NL06.03.2024
SE06.03.2024
NO06.06.2024
RS06.06.2024
GR07.06.2024
Former [2024/37]BG06.03.2024
ES06.03.2024
FI06.03.2024
HR06.03.2024
LT06.03.2024
LV06.03.2024
SE06.03.2024
NO06.06.2024
RS06.06.2024
GR07.06.2024
Former [2024/36]BG06.03.2024
ES06.03.2024
FI06.03.2024
HR06.03.2024
LT06.03.2024
LV06.03.2024
NO06.06.2024
RS06.06.2024
GR07.06.2024
Former [2024/35]BG06.03.2024
ES06.03.2024
FI06.03.2024
HR06.03.2024
LT06.03.2024
NO06.06.2024
RS06.06.2024
GR07.06.2024
Former [2024/33]LT06.03.2024
NO06.06.2024
Cited inInternational search[A]US2019122685  (DEFRAENE BRUNO GABRIEL PAUL G [BE], 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.