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Extract from the Register of European Patents

EP About this file: EP4258569

EP4258569 - PROTOCOL DATA UNIT (PDU) SESSION MANAGEMENT METHOD AND APPARATUS [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  06.12.2024
Database last updated on 26.04.2025
FormerRequest for examination was made
Status updated on  08.09.2023
FormerThe international publication has been made
Status updated on  14.06.2022
Most recent event   Tooltip06.12.2024Withdrawal of applicationpublished on 08.01.2025  [2025/02]
Applicant(s)For all designated states
Datang Mobile Communications Equipment Co., Ltd.
1/F, Building 1, No. 5 Shangdi East Road
Haidian District
Beijing 100085 / CN
[2023/41]
Inventor(s)01 / LIU, Xianfeng
Beijing 100085 / CN
02 / WANG, Hucheng
Beijing 100085 / CN
03 / XU, Hui
Beijing 100085 / CN
 [2023/41]
Representative(s)Studio Torta S.p.A.
Via Viotti, 9
10121 Torino / IT
[N/P]
Former [2023/41]Studio Torta S.p.A.
Via Viotti, 9
10121 Torino / IT
Application number, filing date21899889.618.11.2021
[2023/41]
WO2021CN131573
Priority number, dateCN20201140714204.12.2020         Original published format: CN202011407142
CN20201154038123.12.2020         Original published format: CN202011540381
[2023/41]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022116855
Date:09.06.2022
Language:ZH
[2022/23]
Type: A1 Application with search report 
No.:EP4258569
Date:11.10.2023
Language:EN
[2023/41]
Search report(s)International search report - published on:CN09.06.2022
(Supplementary) European search report - dispatched on:EP16.05.2024
ClassificationIPC:H04B7/185, H04W84/06
[2023/41]
CPC:
H04W40/12 (EP); H04W76/12 (KR); H04L47/2483 (US);
H04B7/18513 (EP); H04B7/18589 (US); H04L47/2441 (KR);
H04W28/0215 (US); H04W28/0268 (EP,KR); H04W76/22 (EP);
H04W84/06 (KR); H04W92/045 (KR); H04B7/18541 (EP);
H04W36/12 (EP); H04W76/11 (EP) (-)
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 [2023/41]
TitleGerman:VERFAHREN UND VORRICHTUNG ZUR SITZUNGSVERWALTUNG MIT EINER PROTOKOLLDATENEINHEIT (PDU)[2023/41]
English:PROTOCOL DATA UNIT (PDU) SESSION MANAGEMENT METHOD AND APPARATUS[2023/41]
French:PROCÉDÉ ET APPAREIL DE GESTION DE SESSION D'UNITÉ DE DONNÉES DE PROTOCOLE (PDU)[2023/41]
Entry into regional phase01.06.2023Translation filed 
01.06.2023National basic fee paid 
01.06.2023Search fee paid 
01.06.2023Designation fee(s) paid 
01.06.2023Examination fee paid 
Examination procedure01.06.2023Examination requested  [2023/41]
05.11.2024Amendment by applicant (claims and/or description)
05.11.2024Date on which the examining division has become responsible
02.12.2024Application withdrawn by applicant  [2025/02]
Fees paidRenewal fee
24.11.2023Renewal fee patent year 03
26.11.2024Renewal fee patent year 04
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Documents cited:Search[A]WO2020103842  (HUAWEI TECH CO LTD [CN]);
 [P]US2021274585  (YU FANG [CN], 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.