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EP3236552

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Extract from the Register of European Patents

EP About this file: EP3236552

EP3236552 - TRIPLE REDUNDANT DIGITAL PROTECTIVE RELAY AND OPERATING METHOD THEREFOR [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 19.12.2025 Database last updated on 11.04.2026
Former	The patent has been granted Status updated on 10.01.2025
Former	Grant of patent is intended Status updated on 28.11.2024
Former	Examination is in progress Status updated on 15.07.2021
Former	Request for examination was made Status updated on 22.09.2017
Former	The international publication has been made Status updated on 07.07.2017
Most recent event Tooltip	19.12.2025	No opposition filed within time limit	published on 21.01.2026 [2026/04]
Applicant(s)	For all designated states YPP Co. Ltd. 24 Gasan digital 2-ro Geumcheon-gu Seoul 08592 / KR
	[2017/43]
Inventor(s)	01 / SHIN, Jong Han 104-604 180 Mokdongdong-ro Yangcheon-gu Seoul 08010 / KR
	02 / KIM, Yong Gil 24 Gasan digital 2-ro Geumcheon-gu Seoul 08592 / KR
	03 / KIM, Jae Hyun 502-1202 46 Geumgok-ro Gwonseon-gu Suwon-si Gyeonggi-do 16385 / KR
	[2017/43]
Representative(s)	Mammel und Maser Patentanwälte PartG mbB Tilsiter Straße 3 71065 Sindelfingen / DE
	[2025/07]
Former [2017/43]	Mammel und Maser Patentanwälte Tilsiter Straße 3 71065 Sindelfingen / DE
Application number, filing date	15870250.6	11.12.2015
	[2017/43]
	WO2015KR13589
Priority number, date	KR20140180115	15.12.2014 Original published format: KR 20140180115
	[2017/43]
Filing language	KO
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	WO2016099083
	Date:	23.06.2016
	Language:	KO
	[2016/25]
	Type:	A1 Application with search report
	No.:	EP3236552
	Date:	25.10.2017
	Language:	EN
	[2017/43]
	Type:	B1 Patent specification
	No.:	EP3236552
	Date:	12.02.2025
	Language:	EN
	[2025/07]
Search report(s)	International search report - published on:	KR	23.06.2016
	(Supplementary) European search report - dispatched on:	EP	21.08.2018
Classification	IPC:	H02H3/05, H02H1/00, H02H7/26	[2024/49]
	CPC:	H02H3/05 (EP,CN,KR,US); H02B1/20 (US); H02H3/083 (KR); H02H3/427 (US); H02H1/0061 (EP); H02H7/261 (EP)
	Former IPC [2017/43]	H02H3/05
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 [2017/43]
Extension states	BA	Not yet paid
	ME	Not yet paid
Validation states	MA	Not yet paid
	MD	Not yet paid
Title	German:	DREIFACH REDUNDANTES DIGITALES SCHUTZRELAIS UND BETRIEBSVERFAHREN DAFÜR	[2017/43]
	English:	TRIPLE REDUNDANT DIGITAL PROTECTIVE RELAY AND OPERATING METHOD THEREFOR	[2017/43]
	French:	RELAIS DE PROTECTION NUMÉRIQUE À TRIPPLE REDONDANCE ET SON PROCÉDÉ DE FONCTIONNEMENT	[2024/49]
	Former [2017/43]	RELAIS DE PROTECTION NUMÉRIQUE REDONDANT TRIPLE ET SON PROCÉDÉ DE FONCTIONNEMENT
Entry into regional phase	07.07.2017	Translation filed
	17.07.2017	National basic fee paid
	17.07.2017	Search fee paid
	17.07.2017	Designation fee(s) paid
	17.07.2017	Examination fee paid
Examination procedure	07.07.2017	Date on which the examining division has become responsible
	17.07.2017	Examination requested [2017/43]
	13.03.2019	Amendment by applicant (claims and/or description)
	14.07.2021	Despatch of a communication from the examining division (Time limit: M04)
	19.11.2021	Reply to a communication from the examining division
	19.05.2022	Despatch of a communication from the examining division (Time limit: M06)
	19.10.2022	Reply to a communication from the examining division
	27.06.2023	Despatch of a communication from the examining division (Time limit: M04)
	26.10.2023	Reply to a communication from the examining division
	29.11.2024	Communication of intention to grant the patent
	07.01.2025	Fee for grant paid
	07.01.2025	Fee for publishing/printing paid
	07.01.2025	Receipt of the translation of the claim(s)
Opposition(s)	13.11.2025	No opposition filed within time limit [2026/04]
Fees paid	Renewal fee
	02.01.2018	Renewal fee patent year 03
	02.01.2019	Renewal fee patent year 04
	02.01.2020	Renewal fee patent year 05
	11.01.2021	Renewal fee patent year 06
	03.01.2022	Renewal fee patent year 07
	02.01.2023	Renewal fee patent year 08
	02.01.2024	Renewal fee patent year 09
	02.01.2025	Renewal fee patent year 10
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	CZ	12.02.2025
	ES	12.02.2025
	HR	12.02.2025
	PL	12.02.2025
	SK	12.02.2025
	SM	12.02.2025
	NO	12.05.2025
	RS	12.05.2025
	GR	13.05.2025
	IS	12.06.2025
	[2025/49]
Former [2025/48]	CZ	12.02.2025
	ES	12.02.2025
	HR	12.02.2025
	PL	12.02.2025
	SM	12.02.2025
	NO	12.05.2025
	RS	12.05.2025
	GR	13.05.2025
	IS	12.06.2025
Former [2025/46]	ES	12.02.2025
	HR	12.02.2025
	PL	12.02.2025
	SM	12.02.2025
	NO	12.05.2025
	RS	12.05.2025
	GR	13.05.2025
	IS	12.06.2025
Former [2025/35]	ES	12.02.2025
	HR	12.02.2025
	PL	12.02.2025
	NO	12.05.2025
	RS	12.05.2025
	GR	13.05.2025
	IS	12.06.2025
Former [2025/34]	ES	12.02.2025
	HR	12.02.2025
	PL	12.02.2025
	NO	12.05.2025
	RS	12.05.2025
	IS	12.06.2025
Former [2025/33]	ES	12.02.2025
	PL	12.02.2025
	RS	12.05.2025
Documents cited:	Search	[X] US6550018 (ABONAMAH ABDULLAH A et al.)
		[X] EP0275362 (HITACHI LTD et al.) [X] 1-10 * abstract; figures 1-3 * * column 1, lines 16-63 * * column 4, lines 47-63 *
		[X] US4926281 (MURPHY KENNETH J et al.) [X] 1-10 * abstract; figures 1-8 * * column 7, lines 37-44 *
	International search	[Y] KR20100001926 (YOU SUNG INSTR & ELECTRIC CO L et al.) [Y] 1-10 * See abstract, paragraphs [27]-[43] and figures 1-2. *
		[Y] KR100807342 (YPPDIGITECH CO LTD et al.) [Y] 1-10 * See abstract, paragraphs [13], [15]-[40] and figures 1-2. *
		[Y] JPH11299074 (TOSHIBA CORP et al.) [Y] 1-10 * See abstract, paragraphs [52]-[91] and figures 1-6. *
		[A] JP2005006385 (TM T & D KK et al.) [A] 1-10 * See abstract, paragraphs [27]-[46] and figures 1-7. *
		[A] KR20020064041 (KOREA ELECTRIC POWER CORP et al.) [A] 1-10 * See claims 1-4 and figures 1-4. *
	Examination	EP0275362

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