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Extract from the Register of European Patents

EP About this file: EP4525531

EP4525531 - NETWORK NODE, WIRELESS COMMUNICATION SYSTEM, AND COMMUNICATION METHOD [Right-click to bookmark this link]
Status	Request for examination was made Status updated on 14.02.2025 Database last updated on 28.03.2026
Former	The international publication has been made Status updated on 17.11.2023
Most recent event Tooltip	25.03.2026	New entry: Renewal fee paid
Applicant(s)	For all designated states NTT DOCOMO, INC. 11-1, Nagatacho 2-chome Chiyoda-ku Tokyo 100-6150 / JP
	[2025/12]
Inventor(s)	01 / MINOKUCHI, Atsushi Tokyo 100-6150 / JP
	02 / SAWADA, Masahiro Tokyo 100-6150 / JP
	03 / SAMA, Malla Reddy 80687 Munich / DE
	[2025/12]
Representative(s)	Hoffmann Eitle Patent- und Rechtsanwälte PartmbB Arabellastraße 30 81925 München / DE
	[2025/12]
Application number, filing date	22941591.4	09.05.2022
	[2025/12]
	WO2022JP19731
Filing language	JA
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO2023218509
	Date:	16.11.2023
	Language:	JA
	[2023/46]
	Type:	A1 Application with search report
	No.:	EP4525531
	Date:	19.03.2025
	Language:	EN
	[2025/12]
Search report(s)	International search report - published on:	JP	16.11.2023
	(Supplementary) European search report - dispatched on:	EP	17.02.2026
Classification	IPC:	H04W60/00, H04W24/04, H04W72/0457	[2025/12]
	CPC:	H04W8/186 (EP,US); H04W60/00 (US); H04W36/0069 (EP); H04W60/04 (EP)
Designated contracting states	AL, 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 [2025/12]
Title	German:	NETZWERKKNOTEN, DRAHTLOSKOMMUNIKATIONSSYSTEM UND KOMMUNIKATIONSVERFAHREN	[2025/12]
	English:	NETWORK NODE, WIRELESS COMMUNICATION SYSTEM, AND COMMUNICATION METHOD	[2025/12]
	French:	NOEUD DE RÉSEAU, SYSTÈME DE COMMUNICATION SANS FIL, ET PROCÉDÉ DE COMMUNICATION	[2025/12]
Entry into regional phase	27.11.2024	Translation filed
	27.11.2024	National basic fee paid
	27.11.2024	Search fee paid
	27.11.2024	Designation fee(s) paid
	27.11.2024	Examination fee paid
Examination procedure	27.11.2024	Examination requested [2025/12]
Fees paid	Renewal fee
	27.11.2024	Renewal fee patent year 03
	12.05.2025	Renewal fee patent year 04
	24.03.2026	Renewal fee patent year 05
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.
Documents cited:	Search	[A] US2021359926 (MIKLÓS GYÖRGY et al.) [A] 1-6 * page 21, line 16 - page 23, line 14; figure 10 *
		[A] US2020366474 (WANG DONGHUI et al.) [A] 1-6 * paragraph [0402] - paragraph [0418]; figure 9 *
		[A] ERICSSON: "Updates to solution #2 on Multiple UEs per device for user plane redundancy", vol. SA WG2, no. Vilnius, Lithuania; 20180702 - 20180706, 4 July 2018 (2018-07-04), XP051469386, Retrieved from the Internet [retrieved on 20180704] [A] 1-6 * the whole document *
	International search	[A] US2021359926 (MIKLÓS GYÖRGY et al.) [A] 1-6 * entire text *
		[A] NOKIA, NOKIA SHANGHAI BELL: "KI#1 - Updates to Solution #2", 3GPP DRAFT; S2-1811835-SOLUTION2-UPDATE, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. West Palm Beach, USA; 20181126 - 20181130, 20 November 2018 (2018-11-20), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051498597 [A] 1-6 * entire text *
		[A] ERICSSON: "Updates to solution #2 on Multiple UEs per device for user plane redundancy", 3GPP DRAFT; S2-187316_6422-UPDATE-REDUNDANCY-MULTIPLE-UE.PA8, 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, 4 July 2018 (2018-07-04), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051469386 [A] 1-6 * entire text *
		[A] ERICSSON: "Further discussion on Higher Layer Multi-Connectivity related to the Key Issue 1", 3GPP DRAFT; R3-190817, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG3, no. Athens, Greece; 20190225 - 20190301, 16 February 2019 (2019-02-16), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051604751 [A] 1-6 * entire text *
	by applicant	3GPP TS 23.501 V17.2.0, September 2021 (2021-09-01)
		3GPP TS 23.502 V17.2.1, September 2021 (2021-09-01) [A] 1-6 * entire text *

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