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Extract from the Register of European Patents

EP About this file: EP3465949

EP3465949 - APPARATUS AND METHOD FOR PROCESSING A DIGITAL SIGNAL IN A FREQUENCY DOMAIN LINEAR EQUALIZER [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 08.10.2021 Database last updated on 11.04.2026
Former	The patent has been granted Status updated on 30.10.2020
Former	Grant of patent is intended Status updated on 02.07.2020
Former	Request for examination was made Status updated on 08.06.2020
Former	Grant of patent is intended Status updated on 30.01.2020
Former	Request for examination was made Status updated on 08.03.2019
Former	The international publication has been made Status updated on 29.12.2017
Most recent event Tooltip	19.12.2025	Lapse of the patent in a contracting state New state(s): TR	published on 21.01.2026 [2026/04]
Applicant(s)	For all designated states Huawei Technologies Co., Ltd. Huawei Administration Building Bantian Longgang District Shenzhen, Guangdong 518129 / CN
	[2019/15]
Inventor(s)	01 / ZARUBINSKY, Michael c/o Huawei Technologies Duesseldorf GmbH Riesstr. 25 80992 Munich / DE
	02 / COHEN, Doron c/o Huawei Technologies Duesseldorf GmbH Riesstr. 25 80992 Munich / DE
	03 / XUE, Qingsong c/o Huawei Technologies Duesseldorf GmbH Riesstr. 25 80992 Munich / DE
	04 / GIDRON, Dori c/o Huawei Technologies Duesseldorf GmbH Riesstr. 25 80992 Munich / DE
	05 / LIU, Ling c/o Huawei Technologies Duesseldorf GmbH Riesstr. 25 80992 Munich / DE
	06 / XIE, Changsong c/o Huawei Technologies Duesseldorf GmbH Riesstr. 25 80992 Munich / DE
	07 / LI, Liangchuan c/o Huawei Technologies Duesseldorf GmbH Riesstr. 25 80992 Munich / DE
	08 / CHEN, Ming c/o Huawei Technologies Duesseldorf GmbH Riesstr. 25 80992 / DE
	[2019/15]
Representative(s)	Körber, Martin Hans Mitscherlich PartmbB Patent- und Rechtsanwälte Sonnenstrasse 33 80331 München / DE
	[2019/15]
Application number, filing date	16731895.5	23.06.2016
	[2019/15]
	WO2016EP64579
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO2017220153
	Date:	28.12.2017
	Language:	EN
	[2017/52]
	Type:	A1 Application with search report
	No.:	EP3465949
	Date:	10.04.2019
	Language:	EN
	The application published by WIPO in one of the EPO official languages on 28.12.2017 takes the place of the publication of the European patent application.
	[2019/15]
	Type:	B1 Patent specification
	No.:	EP3465949
	Date:	02.12.2020
	Language:	EN
	[2020/49]
Search report(s)	International search report - published on:	EP	28.12.2017
Classification	IPC:	H04B10/69	[2019/15]
	CPC:	H04B10/6971 (EP,US); H04B7/0413 (US); H04L25/03159 (EP,US); H04B2210/252 (EP,US)
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 [2019/15]
Extension states	BA	Not yet paid
	ME	Not yet paid
Validation states	MA	Not yet paid
	MD	Not yet paid
Title	German:	VORRICHTUNG UND VERFAHREN ZUR VERARBEITUNG EINES DIGITALEN SIGNALS IN EINEM LINEAREN ENTZERRER EINES FREQUENZBEREICHS	[2019/15]
	English:	APPARATUS AND METHOD FOR PROCESSING A DIGITAL SIGNAL IN A FREQUENCY DOMAIN LINEAR EQUALIZER	[2019/15]
	French:	APPAREIL ET PROCÉDÉ DE TRAITEMENT DE SIGNAL NUMÉRIQUE DANS UN ÉGALISEUR LINÉAIRE DE DOMAINE FRÉQUENTIEL	[2019/15]
Entry into regional phase	03.01.2019	National basic fee paid
	03.01.2019	Designation fee(s) paid
	03.01.2019	Examination fee paid
Examination procedure	03.01.2019	Examination requested [2019/15]
	03.01.2019	Date on which the examining division has become responsible
	24.07.2019	Amendment by applicant (claims and/or description)
	31.01.2020	Communication of intention to grant the patent
	16.03.2020	Fee for grant paid
	16.03.2020	Fee for publishing/printing paid
	08.06.2020	Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
	03.07.2020	Communication of intention to grant the patent
	20.10.2020	Fee for grant paid
	20.10.2020	Fee for publishing/printing paid
	23.10.2020	Receipt of the translation of the claim(s)
Opposition(s)	03.09.2021	No opposition filed within time limit [2021/45]
Fees paid	Renewal fee
	03.01.2019	Renewal fee patent year 03
	27.06.2019	Renewal fee patent year 04
	25.06.2020	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.
Lapses during opposition Tooltip	HU	23.06.2016
	AL	02.12.2020
	AT	02.12.2020
	CY	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	MK	02.12.2020
	MT	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	TR	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
	IE	23.06.2021
	LU	23.06.2021
	BE	30.06.2021
	[2026/04]
Former [2024/42]	HU	23.06.2016
	AL	02.12.2020
	AT	02.12.2020
	CY	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	MK	02.12.2020
	MT	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
	IE	23.06.2021
	LU	23.06.2021
	BE	30.06.2021
Former [2024/22]	HU	23.06.2016
	AL	02.12.2020
	AT	02.12.2020
	CY	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	MK	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
	IE	23.06.2021
	LU	23.06.2021
	BE	30.06.2021
Former [2023/33]	HU	23.06.2016
	AL	02.12.2020
	AT	02.12.2020
	CY	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
	IE	23.06.2021
	LU	23.06.2021
	BE	30.06.2021
Former [2023/30]	AL	02.12.2020
	AT	02.12.2020
	CY	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
	IE	23.06.2021
	LU	23.06.2021
	BE	30.06.2021
Former [2022/34]	AL	02.12.2020
	AT	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
	IE	23.06.2021
	LU	23.06.2021
	BE	30.06.2021
Former [2022/23]	AL	02.12.2020
	AT	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
	IE	23.06.2021
	LU	23.06.2021
Former [2022/21]	AL	02.12.2020
	AT	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	PT	05.04.2021
	IE	23.06.2021
	LU	23.06.2021
Former [2022/18]	AL	02.12.2020
	AT	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	PT	05.04.2021
	LU	23.06.2021
Former [2022/10]	AL	02.12.2020
	AT	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	PT	05.04.2021
Former [2022/08]	AL	02.12.2020
	AT	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	MC	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
Former [2021/49]	AL	02.12.2020
	AT	02.12.2020
	CZ	02.12.2020
	DK	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SI	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
Former [2021/45]	AL	02.12.2020
	AT	02.12.2020
	CZ	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
Former [2021/42]	AT	02.12.2020
	CZ	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	IS	02.04.2021
	PT	05.04.2021
Former [2021/37]	AT	02.12.2020
	CZ	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	PT	05.04.2021
Former [2021/36]	CZ	02.12.2020
	EE	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	PT	05.04.2021
Former [2021/35]	CZ	02.12.2020
	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	PL	02.12.2020
	RO	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SK	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	PT	05.04.2021
Former [2021/33]	FI	02.12.2020
	HR	02.12.2020
	LT	02.12.2020
	LV	02.12.2020
	PL	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
	PT	05.04.2021
Former [2021/32]	FI	02.12.2020
	HR	02.12.2020
	LV	02.12.2020
	PL	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	SM	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
Former [2021/28]	FI	02.12.2020
	HR	02.12.2020
	LV	02.12.2020
	PL	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
Former [2021/25]	FI	02.12.2020
	LV	02.12.2020
	PL	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
Former [2021/23]	FI	02.12.2020
	LV	02.12.2020
	RS	02.12.2020
	SE	02.12.2020
	BG	02.03.2021
	NO	02.03.2021
	GR	03.03.2021
Former [2021/22]	FI	02.12.2020
	RS	02.12.2020
	NO	02.03.2021
Former [2021/20]	FI	02.12.2020
Cited in	International search	[A] US2015280853 (SUN HAN H et al.)
		[A] US2009201796 (ROBERTS KIM B et al.)
		[A] RUBEN ANDRES SORIANO ET AL: "Chromatic Dispersion Estimation in Digital Coherent Receivers", JOURNAL OF LIGHTWAVE TECHNOLOGY, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 29, no. 11, 1 June 2011 (2011-06-01), pages 1627 - 1637, XP011323832, ISSN: 0733-8724, DOI: 10.1109/JLT.2011.2145357 DOI: http://dx.doi.org/10.1109/JLT.2011.2145357
	by applicant	US7701842

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