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Extract from the Register of European Patents

EP About this file: EP4099760

EP4099760 - HANDOVER METHOD AND COMMUNICATION APPARATUS [Right-click to bookmark this link]
Former [2022/49]SWITCHING METHOD AND COMMUNICATION APPARATUS
[2025/12]
StatusThe patent has been granted
Status updated on  04.07.2025
Database last updated on 21.03.2026
FormerGrant of patent is intended
Status updated on  25.02.2025
FormerRequest for examination was made
Status updated on  04.11.2022
FormerThe international publication has been made
Status updated on  10.09.2021
Most recent event   Tooltip06.02.2026Lapse of the patent in a contracting state
New state(s): ES		published on 11.03.2026  [2026/11]
Applicant(s)For all designated states
Huawei Technologies Co., Ltd.
Huawei Administration Building
Bantian
Longgang
Shenzhen, Guangdong 518129 / CN
[2022/49]
Inventor(s)01 / ZHAO, Fengyu
Huawei Administration Building
Bantian
Longgang
Shenzhen, Guangdong 518129 / CN
02 / LI, Meng
Huawei Administration Building
Bantian
Longgang
Shenzhen, Guangdong 518129 / CN
03 / GE, Cuili
Huawei Administration Building
Bantian
Longgang
Shenzhen, Guangdong 518129 / CN
 [2022/49]
Representative(s)Isarpatent
Patent- und Rechtsanwälte Barth
Charles Hassa Peckmann & Partner mbB
Friedrichstrasse 31
80801 München / DE
[2022/49]
Application number, filing date20922903.801.03.2020
[2022/49]
WO2020CN77375
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021174377
Date:10.09.2021
Language:ZH
[2021/36]
Type: A1 Application with search report 
No.:EP4099760
Date:07.12.2022
Language:EN
[2022/49]
Type: B1 Patent specification 
No.:EP4099760
Date:06.08.2025
Language:EN
[2025/32]
Search report(s)International search report - published on:CN10.09.2021
(Supplementary) European search report - dispatched on:EP02.03.2023
ClassificationIPC:H04W36/00
[2025/12]
CPC:
H04W36/0007 (EP); H04W36/0009 (US)
Former IPC [2022/49]H04W36/00, H04W36/02
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 [2022/49]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:HANDOVERVERFAHREN UND KOMMUNIKATIONSGERÄT[2025/12]
English:HANDOVER METHOD AND COMMUNICATION APPARATUS[2025/12]
French:PROCÉDÉ DE COMMUTATION ET APPAREIL DE COMMUNICATION[2022/49]
Former [2022/49]UMSCHALTVERFAHREN UND KOMMUNIKATIONSGERÄT
Former [2022/49]SWITCHING METHOD AND COMMUNICATION APPARATUS
Entry into regional phase29.08.2022Translation filed 
29.08.2022National basic fee paid 
29.08.2022Search fee paid 
29.08.2022Designation fee(s) paid 
29.08.2022Examination fee paid 
Examination procedure29.08.2022Examination requested  [2022/49]
12.09.2023Amendment by applicant (claims and/or description)
12.09.2023Date on which the examining division has become responsible
26.02.2025Communication of intention to grant the patent
23.06.2025Fee for grant paid
23.06.2025Fee for publishing/printing paid
23.06.2025Receipt of the translation of the claim(s)
Fees paidRenewal fee
29.08.2022Renewal fee patent year 03
30.03.2023Renewal fee patent year 04
28.03.2024Renewal fee patent year 05
31.03.2025Renewal fee patent year 06
Opt-out from the exclusive  Tooltip
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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.
Lapses during opposition  TooltipBG06.08.2025
ES06.08.2025
FI06.08.2025
HR06.08.2025
LV06.08.2025
NL06.08.2025
PL06.08.2025
SE06.08.2025
NO06.11.2025
RS06.11.2025
GR07.11.2025
IS06.12.2025
PT09.12.2025
[2026/11]
Former [2026/10]BG06.08.2025
FI06.08.2025
HR06.08.2025
LV06.08.2025
NL06.08.2025
PL06.08.2025
SE06.08.2025
NO06.11.2025
RS06.11.2025
GR07.11.2025
IS06.12.2025
PT09.12.2025
Former [2026/09]FI06.08.2025
HR06.08.2025
LV06.08.2025
NL06.08.2025
SE06.08.2025
NO06.11.2025
GR07.11.2025
IS06.12.2025
PT09.12.2025
Former [2026/08]FI06.08.2025
HR06.08.2025
NL06.08.2025
NO06.11.2025
IS06.12.2025
PT09.12.2025
Former [2026/07]IS06.12.2025
Documents cited:Search[XY] WO2019223780  (QUALCOMM INC et al.) [X] 1,7,13-15 * paragraph [0162] - paragraph [0172] * * figure 11 *[Y] 2-6,8-12
 [XY] US2019268815  (ZHU XIPENG et al.) [X] 1,7,13-15 * paragraph [0068] - paragraph [0069] * * paragraph [0103] - paragraph [0109] * * figures 6, 10B *[Y] 2-6,8-12
 [A] US2008310368  (FISCHER PATRICK et al.) [A] 1-15 * paragraph [0081] * * paragraph [0095] * * paragraph [0127] - paragraph [0135] * * figure 13 *
 [A]   ERICSSON: "Introduction of option 3 - Dual Connectivity with NR in E-UTRAN - RAN3 parts", vol. RAN WG3, no. Spokane, WA, USA; 20170403 - 20170407, 25 March 2017 (2017-03-25), XP051255529, Retrieved from the Internet [retrieved on 20170325] [A] 1-15 * paragraph 10.1.2.1.1 * * figure 10.1.2.1.1-1 *
International search[X] WO2019165427  (QUALCOMM INC et al.) [X] 1-53 * description, paragraphs [0068]-[00116], [00127]-[00134], figures 6-10C, 12-14 *
 [A] CN110809299  (TENCENT TECH SHENZHEN CO LTD et al.) [A] 1-53 * entire document *
 [A] CN110167190  (HUAWEI TECH CO LTD et al.) [A] 1-53 * entire document *
 [A] CN110476378  (MOTOROLA MOBILITY LLC et al.) [A] 1-53 * entire document *
 [A] CN109842639  (HUAWEI TECH CO LTD et al.) [A] 1-53 * entire document *
 [A]   ERICSSON: "Anchor change for Ethernet PDU Sessions", 3GPP DRAFT; S2-186420-ETHERNET-ANCHOR-CHANGE.PA3, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Vilnius, Lithuania; 20180702 - 20180706, 26 June 2018 (2018-06-26), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051537910 [A] 1-53 * part 6.X *
by applicant  3GPP PROTOCOLS TS23.502
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.