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Extract from the Register of European Patents

EP About this file: EP4042791

EP4042791 - METHOD FOR CONFIGURATION OF HARQ-ACK FEEDBACK [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.07.2025
Database last updated on 28.03.2026
FormerThe patent has been granted
Status updated on  02.08.2024
FormerGrant of patent is intended
Status updated on  25.06.2024
FormerExamination is in progress
Status updated on  18.08.2023
FormerRequest for examination was made
Status updated on  15.07.2022
FormerThe international publication has been made
Status updated on  29.05.2021
Most recent event   Tooltip13.03.2026Lapse of the patent in a contracting state
New state(s): HU		published on 15.04.2026 [2026/16]
Applicant(s)For all designated states
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
No. 18 Haibin Road
Wusha, Chang'an
Dongguan, Guangdong 523860 / CN
[2022/33]
Inventor(s)01 / LIN, Hao
29, rue du Pont
92200 Neuilly-sur-Seine / FR
02 / WU, Zuomin
No. 18 Haibin Road
Wusha
Chang'an
Dongguan, Guangdong 523860 / CN
 [2022/33]
Representative(s)Ipside
7-9 Allée Haussmann
33300 Bordeaux Cedex / FR
[2024/36]
Former [2022/33]Ipside
7-9 Allées Haussmann
33300 Bordeaux Cedex / FR
Application number, filing date20891299.820.11.2020
[2022/33]
WO2020CN130674
Priority number, dateUS201962938950P21.11.2019         Original published format: US 201962938950 P
[2022/33]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021098862
Date:27.05.2021
Language:EN
[2021/21]
Type: A1 Application with search report 
No.:EP4042791
Date:17.08.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 27.05.2021 takes the place of the publication of the European patent application.
[2022/33]
Type: B1 Patent specification 
No.:EP4042791
Date:04.09.2024
Language:EN
[2024/36]
Search report(s)International search report - published on:CN27.05.2021
(Supplementary) European search report - dispatched on:EP09.11.2022
ClassificationIPC:H04W72/04, H04L1/00, H04L1/18
[2022/33]
CPC:
H04L1/1822 (EP,CN); H04L1/1607 (CN); H04L1/1861 (EP,CN,US);
H04L1/1671 (EP,CN); H04L1/1812 (CN,US); H04L1/1858 (EP,CN);
H04L5/0055 (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 [2022/33]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR KONFIGURATION VON HARQ-ACK-RÜCKKOPPLUNG[2022/33]
English:METHOD FOR CONFIGURATION OF HARQ-ACK FEEDBACK[2022/33]
French:PROCÉDÉ DE CONFIGURATION DE RÉTROACTION D'ACCUSÉ DE RÉCEPTION NÉGATIF DE DEMANDE DE RAPPORT AUTOMATIQUE HYBRIDE (HARQ-ACK)[2022/33]
Entry into regional phase10.05.2022National basic fee paid 
10.05.2022Search fee paid 
10.05.2022Designation fee(s) paid 
10.05.2022Examination fee paid 
Examination procedure10.05.2022Examination requested  [2022/33]
26.05.2023Amendment by applicant (claims and/or description)
26.05.2023Date on which the examining division has become responsible
22.08.2023Despatch of a communication from the examining division (Time limit: M04)
28.12.2023Reply to a communication from the examining division
11.06.2024Cancellation of oral proceeding that was planned for 11.06.2024
11.06.2024Date of oral proceedings (cancelled)
26.06.2024Communication of intention to grant the patent
30.07.2024Fee for grant paid
30.07.2024Fee for publishing/printing paid
30.07.2024Receipt of the translation of the claim(s)
Opposition(s)05.06.2025No opposition filed within time limit [2025/33]
Fees paidRenewal fee
22.11.2022Renewal fee patent year 03
20.11.2023Renewal fee patent year 04
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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  TooltipHU20.11.2020
AT04.09.2024
BG04.09.2024
CZ04.09.2024
DK04.09.2024
EE04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
IT04.09.2024
LV04.09.2024
MC04.09.2024
NL04.09.2024
PL04.09.2024
RO04.09.2024
SE04.09.2024
SK04.09.2024
SM04.09.2024
IE20.11.2024
LU20.11.2024
BE30.11.2024
CH30.11.2024
FR30.11.2024
GB04.12.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
IS04.01.2025
PT06.01.2025
[2026/16]
Former [2025/48]AT04.09.2024
BG04.09.2024
CZ04.09.2024
DK04.09.2024
EE04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
IT04.09.2024
LV04.09.2024
MC04.09.2024
NL04.09.2024
PL04.09.2024
RO04.09.2024
SE04.09.2024
SK04.09.2024
SM04.09.2024
IE20.11.2024
LU20.11.2024
BE30.11.2024
CH30.11.2024
FR30.11.2024
GB04.12.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
IS04.01.2025
PT06.01.2025
Former [2025/47]AT04.09.2024
BG04.09.2024
CZ04.09.2024
DK04.09.2024
EE04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
IT04.09.2024
LV04.09.2024
MC04.09.2024
NL04.09.2024
PL04.09.2024
RO04.09.2024
SE04.09.2024
SK04.09.2024
SM04.09.2024
LU20.11.2024
BE30.11.2024
CH30.11.2024
GB04.12.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
IS04.01.2025
PT06.01.2025
Former [2025/42]AT04.09.2024
BG04.09.2024
CZ04.09.2024
DK04.09.2024
EE04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
IT04.09.2024
LV04.09.2024
MC04.09.2024
NL04.09.2024
PL04.09.2024
RO04.09.2024
SE04.09.2024
SK04.09.2024
SM04.09.2024
LU20.11.2024
CH30.11.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
IS04.01.2025
PT06.01.2025
Former [2025/35]AT04.09.2024
BG04.09.2024
CZ04.09.2024
DK04.09.2024
EE04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
IT04.09.2024
LV04.09.2024
MC04.09.2024
NL04.09.2024
PL04.09.2024
RO04.09.2024
SK04.09.2024
SM04.09.2024
LU20.11.2024
CH30.11.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
IS04.01.2025
PT06.01.2025
Former [2025/34]AT04.09.2024
BG04.09.2024
CZ04.09.2024
DK04.09.2024
EE04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
IT04.09.2024
LV04.09.2024
MC04.09.2024
NL04.09.2024
PL04.09.2024
RO04.09.2024
SK04.09.2024
SM04.09.2024
LU20.11.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
IS04.01.2025
PT06.01.2025
Former [2025/33]AT04.09.2024
BG04.09.2024
CZ04.09.2024
DK04.09.2024
EE04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
IT04.09.2024
LV04.09.2024
MC04.09.2024
NL04.09.2024
PL04.09.2024
RO04.09.2024
SK04.09.2024
SM04.09.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
IS04.01.2025
PT06.01.2025
Former [2025/23]AT04.09.2024
BG04.09.2024
CZ04.09.2024
EE04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
IT04.09.2024
LV04.09.2024
NL04.09.2024
PL04.09.2024
RO04.09.2024
SK04.09.2024
SM04.09.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
IS04.01.2025
PT06.01.2025
Former [2025/22]AT04.09.2024
BG04.09.2024
EE04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
LV04.09.2024
NL04.09.2024
PL04.09.2024
RO04.09.2024
SM04.09.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
IS04.01.2025
PT06.01.2025
Former [2025/21]BG04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
LV04.09.2024
NL04.09.2024
PL04.09.2024
RO04.09.2024
SM04.09.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
IS04.01.2025
PT06.01.2025
Former [2025/13]BG04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
LV04.09.2024
NL04.09.2024
PL04.09.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
Former [2025/10]BG04.09.2024
ES04.09.2024
FI04.09.2024
HR04.09.2024
LV04.09.2024
PL04.09.2024
NO04.12.2024
RS04.12.2024
GR05.12.2024
Former [2025/09]BG04.09.2024
FI04.09.2024
LV04.09.2024
PL04.09.2024
NO04.12.2024
GR05.12.2024
Former [2025/08]FI04.09.2024
PL04.09.2024
NO04.12.2024
GR05.12.2024
Documents cited:Search[E] WO2021087980  (LENOVO BEIJING LTD et al.) [E] 1-25 * figures 8, 9, 10, 11 * * paragraphs [0041] , [ 0045] * * paragraphs [0077] - [0100] *
 [E] EP4057537  (LG ELECTRONICS INC et al.) [E] 1-10,12-21,23-25 * figure 23 * * paragraphs [0195] - [0232] *
 [XI]   XIAOMI: "Discussion on HARQ enhancement for NR-U", vol. RAN WG1, no. Reno, USA; 20191118 - 20191122, 8 November 2019 (2019-11-08), XP051819887, Retrieved from the Internet [retrieved on 20191108] [X] 1-10,12,16,18-21,23,25 * pages 1-3 *[I] 11,24
 [XI]   HUAWEI ET AL: "HARQ enhancement in NR unlicensed", vol. RAN WG1, no. Reno, USA; 20191118 - 20191122, 9 November 2019 (2019-11-09), XP051823050, Retrieved from the Internet [retrieved on 20191109] [X] 1-10,12,16,18-21,23-25 * pages 2-3 *[I] 11
ExaminationUS2018097606
 US2018310333
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.