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Extract from the Register of European Patents

EP About this file: EP4508895

EP4508895 - METHODS AND APPARATUSES FOR A PSCELL CHANGE OR CPAC PROCEDURE [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  17.01.2025
Database last updated on 21.03.2026
FormerThe international publication has been made
Status updated on  21.10.2023
Most recent event   Tooltip04.11.2025Supplementary search reportpublished on 03.12.2025  [2025/49]
Applicant(s)For all designated states
Lenovo (Beijing) Limited
6 Shangdi West Road
Haidian District
Beijing 100085 / CN
[2025/08]
Inventor(s)01 / YAN, Le
Shanghai 201315 / CN
02 / DAI, Mingzeng
Shanghai 201315 / CN
03 / WU, Lianhai
Beijing 100094 / CN
04 / ZHANG, Congchi
Shanghai 200120 / CN
05 / ZHUO, Yibin
Shanghai 201203 / CN
 [2025/08]
Representative(s)Marks & Clerk LLP
15 Fetter Lane
London EC4A 1BW / GB
[2025/08]
Application number, filing date22936895.614.04.2022
[2025/08]
WO2022CN86838
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023197246
Date:19.10.2023
Language:EN
[2023/42]
Type: A1 Application with search report 
No.:EP4508895
Date:19.02.2025
Language:EN
The application published by WIPO in one of the EPO official languages on 19.10.2023 takes the place of the publication of the European patent application.
[2025/08]
Search report(s)International search report - published on:CN19.10.2023
(Supplementary) European search report - dispatched on:EP03.11.2025
ClassificationIPC:H04W36/00, H04W36/36
[2025/49]
CPC:
H04W36/00222 (EP,GB); H04W36/305 (US); H04W36/0069 (US);
H04W36/362 (EP,GB)
Former IPC [2025/08]H04W36/00
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 [2025/08]
TitleGerman:VERFAHREN UND VORRICHTUNGEN FÜR EIN PSCELL-WECHSEL- ODER CPAC-VERFAHREN[2025/08]
English:METHODS AND APPARATUSES FOR A PSCELL CHANGE OR CPAC PROCEDURE[2025/08]
French:PROCÉDÉS ET APPAREILS POUR UNE PROCÉDURE CPAC OU DE CHANGEMENT PSCELL[2025/08]
Entry into regional phase26.09.2024National basic fee paid 
26.09.2024Search fee paid 
26.09.2024Designation fee(s) paid 
26.09.2024Examination fee paid 
Examination procedure26.09.2024Examination requested  [2025/08]
13.05.2025Amendment by applicant (claims and/or description)
Fees paidRenewal fee
26.09.2024Renewal fee patent year 03
24.04.2025Renewal 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.
Documents cited:Search[XY] WO2022044908  (NTT DOCOMO INC et al.) [X] 1,3-4,15 * abstract *[Y] 2,5-14
 [XY] EP4207865  (NTT DOCOMO INC et al.) * figure 6 * * paragraphs [0065] - [0107] *[Y] 2,5-14
 [Y] WO2021066515  (SAMSUNG ELECTRONICS CO LTD et al.) [Y] 5-13 * paragraphs [0071] - [0300] *
 [XY]   CATT: "Handling leftovers from email discussion [Post111-e][920] Conditional PSCell Change and Addition", vol. RAN WG2, no. Electronic; 20210125 - 20210205, 15 January 2021 (2021-01-15), XP051974201, Retrieved from the Internet [retrieved on 20210115] [X] 1,3-4,15 * the whole document *[Y] 2,5-14
 [Y]   OPPO: "Further consideration on successful handover report", vol. RAN WG2, no. electronic; 20211101, 21 October 2021 (2021-10-21), XP052066556, Retrieved from the Internet [retrieved on 20211021] [Y] 2,14 * the whole document *
International search[X] CN113473547  (HUAWEI TECH CO LTD et al.) [X] 1-15 * description，paragraphs[0004]-[0031] *
 [A] CN111641977  (TELECOMMUNICATIONS TECH RES INST CO LTD et al.) [A] 1-15 * the whole document *
 [A] WO2022021282  (ZTE CORP et al.) [A] 1-15 * the whole document *
 [X]   CATT: "Handling leftovers from email discussion [Post111-e][920] Conditional PSCell Change and Addition", 3GPP TSG-RAN WG2 MEETING #113 ELECTRONIC R2-2101238, 15 January 2021 (2021-01-15), XP051974201 [X] 1-15 * section 2 *
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.