blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register User Manual
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP4231607

EP4231607 - DATA TRANSMISSION METHOD AND COMMUNICATION APPARATUS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.11.2025
Database last updated on 19.03.2026
FormerThe patent has been granted
Status updated on  06.12.2024
FormerGrant of patent is intended
Status updated on  09.07.2024
FormerRequest for examination was made
Status updated on  21.07.2023
FormerThe international publication has been made
Status updated on  21.05.2022
Most recent event   Tooltip30.01.2026Lapse of the patent in a contracting state
New state(s): IT		published on 04.03.2026  [2026/10]
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang District
Shenzhen, Guangdong 518129 / CN
[2023/34]
Inventor(s)01 / TANG, Feilong
Shanghai 200240 / CN
02 / LI, Xu
Shanghai 200240 / CN
03 / ZHANG, Haibo
Shenzhen, Guangdong 518129 / CN
04 / ZHANG, Huimin
Shenzhen, Guangdong 518129 / CN
 [2023/34]
Representative(s)MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
Paul-Heyse-Straße 29
80336 München / DE
[2025/02]
Former [2023/34]MERH-IP Matias Erny Reichl Hoffmann Patentanwälte PartG mbB
Paul-Heyse-Strasse 29
80336 München / DE
Application number, filing date21891071.908.11.2021
[2023/34]
WO2021CN129299
Priority number, dateCN20201124939810.11.2020         Original published format: CN202011249398
[2023/34]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022100546
Date:19.05.2022
Language:ZH
[2022/20]
Type: A1 Application with search report 
No.:EP4231607
Date:23.08.2023
Language:EN
[2023/34]
Type: B1 Patent specification 
No.:EP4231607
Date:08.01.2025
Language:EN
[2025/02]
Search report(s)International search report - published on:CN19.05.2022
(Supplementary) European search report - dispatched on:EP14.09.2023
ClassificationIPC:H04L65/00, H04L67/1074, H04L67/1061, H04L67/62
[2024/31]
CPC:
H04L67/1061 (EP,US); H04L67/1078 (EP,CN,US); H04L67/62 (EP,US)
Former IPC [2023/42]H04L65/00, H04L67/1074
Former IPC [2023/34]H04L65/00
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 [2023/34]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:DATENÜBERTRAGUNGSVERFAHREN UND KOMMUNIKATIONSVORRICHTUNG[2023/34]
English:DATA TRANSMISSION METHOD AND COMMUNICATION APPARATUS[2023/34]
French:PROCÉDÉ DE TRANSMISSION DE DONNÉES ET APPAREIL DE COMMUNICATION[2023/34]
Entry into regional phase15.05.2023Translation filed 
15.05.2023National basic fee paid 
15.05.2023Search fee paid 
15.05.2023Designation fee(s) paid 
15.05.2023Examination fee paid 
Examination procedure15.05.2023Examination requested  [2023/34]
11.04.2024Amendment by applicant (claims and/or description)
11.04.2024Date on which the examining division has become responsible
10.07.2024Communication of intention to grant the patent
16.10.2024Fee for grant paid
16.10.2024Fee for publishing/printing paid
16.10.2024Receipt of the translation of the claim(s)
Opposition(s)09.10.2025No opposition filed within time limit [2025/51]
Fees paidRenewal fee
30.11.2023Renewal fee patent year 03
02.12.2024Renewal fee patent year 04
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  TooltipAT08.01.2025
BG08.01.2025
CZ08.01.2025
DK08.01.2025
EE08.01.2025
ES08.01.2025
FI08.01.2025
HR08.01.2025
IT08.01.2025
LV08.01.2025
NL08.01.2025
PL08.01.2025
RO08.01.2025
SE08.01.2025
SK08.01.2025
SM08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
PT08.05.2025
[2026/10]
Former [2025/49]AT08.01.2025
BG08.01.2025
CZ08.01.2025
DK08.01.2025
EE08.01.2025
ES08.01.2025
FI08.01.2025
HR08.01.2025
LV08.01.2025
NL08.01.2025
PL08.01.2025
RO08.01.2025
SE08.01.2025
SK08.01.2025
SM08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
PT08.05.2025
Former [2025/48]AT08.01.2025
BG08.01.2025
CZ08.01.2025
DK08.01.2025
EE08.01.2025
ES08.01.2025
FI08.01.2025
HR08.01.2025
LV08.01.2025
NL08.01.2025
PL08.01.2025
SE08.01.2025
SM08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
PT08.05.2025
Former [2025/47]AT08.01.2025
BG08.01.2025
DK08.01.2025
ES08.01.2025
FI08.01.2025
HR08.01.2025
LV08.01.2025
NL08.01.2025
PL08.01.2025
SE08.01.2025
SM08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
PT08.05.2025
Former [2025/46]AT08.01.2025
BG08.01.2025
ES08.01.2025
FI08.01.2025
HR08.01.2025
LV08.01.2025
NL08.01.2025
PL08.01.2025
SE08.01.2025
SM08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
PT08.05.2025
Former [2025/42]AT08.01.2025
BG08.01.2025
ES08.01.2025
FI08.01.2025
HR08.01.2025
LV08.01.2025
NL08.01.2025
PL08.01.2025
SE08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
PT08.05.2025
Former [2025/35]AT08.01.2025
BG08.01.2025
ES08.01.2025
FI08.01.2025
HR08.01.2025
LV08.01.2025
NL08.01.2025
PL08.01.2025
NO08.04.2025
RS08.04.2025
GR09.04.2025
IS08.05.2025
PT08.05.2025
Former [2025/34]ES08.01.2025
FI08.01.2025
HR08.01.2025
LV08.01.2025
NL08.01.2025
PL08.01.2025
NO08.04.2025
RS08.04.2025
IS08.05.2025
PT08.05.2025
Former [2025/33]ES08.01.2025
FI08.01.2025
NL08.01.2025
PL08.01.2025
RS08.04.2025
Former [2025/30]NL08.01.2025
Documents cited:Search[XI] US2004151187  (LICHTENSTEIN WALTER D et al.) [X] 1-3,5,14,15 * abstract; figures 1-8, 11 * * paragraph [0080] - paragraph [0088] *[I] 4,6-13
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.