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Extract from the Register of European Patents

EP About this file: EP4404603

EP4404603 - COMMUNICATION METHOD, APPARATUS AND SYSTEM [Right-click to bookmark this link]
StatusGrant of patent is intended
Status updated on  11.02.2026
Database last updated on 28.03.2026
FormerRequest for examination was made
Status updated on  21.01.2026
FormerGrant of patent is intended
Status updated on  19.01.2026
FormerRequest for examination was made
Status updated on  20.06.2024
FormerThe international publication has been made
Status updated on  05.05.2023
Most recent event   Tooltip11.02.2026New entry: Communication of intention to grant a patent 
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
[2024/30]
Inventor(s)01 / HE, Qingchun
Shenzhen, Guangdong 518129 / CN
02 / CHENG, Xingqing
Shenzhen, Guangdong 518129 / CN
03 / LI, Mingchao
Shenzhen, Guangdong 518129 / CN
 [2024/30]
Representative(s)Thun, Clemens
Mitscherlich PartmbB
Karlstraße 7
80333 München / DE
[N/P]
Former [2024/30]Thun, Clemens
Mitscherlich PartmbB
Patent- und Rechtsanwälte
Karlstraße 7
80333 München / DE
Application number, filing date22882774.714.10.2022
[2024/30]
WO2022CN125495
Priority number, dateCN20211121659719.10.2021         Original published format: CN202111216597
[2024/30]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023066168
Date:27.04.2023
Language:ZH
[2023/17]
Type: A1 Application with search report 
No.:EP4404603
Date:24.07.2024
Language:EN
[2024/30]
Search report(s)International search report - published on:CN27.04.2023
(Supplementary) European search report - dispatched on:EP20.12.2024
ClassificationIPC:H04W8/20, H04L67/141, H04L67/146, H04L69/08, H04L69/085
[2025/04]
CPC:
H04W8/20 (EP); H04L67/146 (EP,US); H04L47/2483 (US);
H04L61/2517 (US); H04L67/141 (EP); H04L69/08 (EP);
H04L69/085 (EP); H04L2101/622 (US); Y02D30/70 (EP) (-)
Former IPC [2024/30]H04W8/20
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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2024/30]
TitleGerman:KOMMUNIKATIONSVERFAHREN, -VORRICHTUNG UND -SYSTEM[2024/30]
English:COMMUNICATION METHOD, APPARATUS AND SYSTEM[2024/30]
French:PROCÉDÉ, APPAREIL ET SYSTÈME DE COMMUNICATION[2024/30]
Entry into regional phase15.04.2024Translation filed 
15.04.2024National basic fee paid 
15.04.2024Search fee paid 
15.04.2024Designation fee(s) paid 
15.04.2024Examination fee paid 
Examination procedure15.04.2024Examination requested  [2024/30]
01.07.2025Amendment by applicant (claims and/or description)
01.07.2025Date on which the examining division has become responsible
11.02.2026Communication of intention to grant the patent
Fees paidRenewal fee
31.10.2024Renewal fee patent year 03
31.10.2025Renewal fee patent year 04
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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.
Documents cited:Search[X] US2020305207  (LIU JIANHUA et al.) [X] 1-15 * paragraph [0007] - paragraph [0109] * * paragraph [0122] - paragraph [0166]; figures 3,4 *
 [X] US2021058896  (HAN FENG et al.) [X] 1-15 * paragraph [0004] - paragraph [0048] * * paragraph [0100] - paragraph [0131]; figures 2-4 * * paragraph [0148] - paragraph [0155] *
 [A] US2020015293  (WANG RUI et al.) [A] 1-15 * paragraph [0013] - paragraph [0030] * * paragraph [0071] - paragraph [0095]; figures 2,3 * * paragraph [0188] - paragraph [0237]; figures 10-12 *
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.