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Extract from the Register of European Patents

EP About this file: EP3666837

EP3666837 - SUSPENSION FOR PREVENTING AGGLOMERATION OF CHARGED COLLOIDS [Right-click to bookmark this link]
Status	The application is deemed to be withdrawn Status updated on 15.08.2025 Database last updated on 11.04.2026
Former	Examination is in progress Status updated on 08.12.2023
Former	Request for examination was made Status updated on 18.12.2020
Former	The application has been published Status updated on 15.05.2020
Most recent event Tooltip	15.08.2025	Application deemed to be withdrawn	published on 17.09.2025 [2025/38]
Applicant(s)	For all designated states Lawrence Livermore National Security, LLC 2300 First Street, Suite 204 Livermore, CA 94550 / US
	[2020/25]
Inventor(s)	01 / DYLLA-SPEARS, Rebecca J. Lawrence Livermore National Security, LLC 2300 First Street, Suite 204 Livermore, CA California 94550 / US
	02 / FEIT, Michael D. Lawrence Livermore National Security, LLC 2300 First Street, Suite 204 Livermore, CA California 94550 / US
	03 / MILLER, Philip E. Lawrence Livermore National Security, LLC 2300 First Street, Suite 204 Livermore, CA California 94550 / US
	04 / STEELE, William A. Lawrence Livermore National Security, LLC 2300 First Street, Suite 204 Livermore, CA California 94550 / US
	05 / SURATWALA, Tayyab I. Lawrence Livermore National Security, LLC 2300 First Street, Suite 204 Livermore, CA California 94550 / US
	06 / WONG, Lana L. Lawrence Livermore National Security, LLC 2300 First Street, Suite 204 Livermore, CA California 94550 / US
	[2020/25]
Representative(s)	Diehl & Partner Patent- und Rechtsanwaltskanzlei mbB Erika-Mann-Straße 9 80636 München / DE
	[N/P]
Former [2020/25]	Diehl & Partner GbR Patentanwälte Erika-Mann-Strasse 9 80636 München / DE
Application number, filing date	20152293.5	16.10.2013
	[2020/25]
Priority number, date	US201261721588P	02.11.2012 Original published format: US 201261721588 P
	[2020/25]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP3666837
	Date:	17.06.2020
	Language:	EN
	[2020/25]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	15.05.2020
Classification	IPC:	C09G1/02, B24B37/04, C09K3/14, C09G1/04	[2020/25]
	CPC:	C09G1/02 (EP,US); C09G1/04 (US); B24B37/04 (EP,US); B24B37/044 (EP,US); C09K3/1436 (EP,US); C09K3/1463 (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 [2021/03]
Former [2020/25]	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
Title	German:	SUSPENSION ZUR VERHINDERUNG DER AGGLOMERATION VON GELADENEN KOLLOIDEN	[2020/25]
	English:	SUSPENSION FOR PREVENTING AGGLOMERATION OF CHARGED COLLOIDS	[2020/25]
	French:	SUSPENSION POUR EMPÊCHER L'AGGLOMÉRATION DE MATÉRIAUX COLLOÏDES CHARGÉS	[2020/25]
Examination procedure	14.12.2020	Amendment by applicant (claims and/or description)
	14.12.2020	Examination requested [2021/03]
	14.12.2020	Date on which the examining division has become responsible
	11.12.2023	Despatch of a communication from the examining division (Time limit: M04)
	09.04.2024	Reply to a communication from the examining division
	01.05.2025	Application deemed to be withdrawn, date of legal effect [2025/38]
	19.05.2025	Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time [2025/38]
Parent application(s) Tooltip	EP13850914.6 / EP2914675
Fees paid	Renewal fee
	16.01.2020	Renewal fee patent year 03
	16.01.2020	Renewal fee patent year 04
	16.01.2020	Renewal fee patent year 05
	16.01.2020	Renewal fee patent year 06
	16.01.2020	Renewal fee patent year 07
	27.10.2020	Renewal fee patent year 08
	27.10.2021	Renewal fee patent year 09
	27.10.2022	Renewal fee patent year 10
	27.10.2023	Renewal fee patent year 11
	Penalty fee
	Additional fee for renewal fee
	31.10.2024	12 M06 Not yet paid
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	[X] US2009325323 (UENO TOMIKAZU et al.)
		[X] JP2000269169 (TOSHIBA CORP et al.)
		[X] EP1616927 (JSR CORP et al.) [X] 1-15 * abstract *
		[X] WO2012129244 (L LIVERMORE NAT SECURITY LLC et al.) [X] 1-15 * claims 1-19 *
	by applicant	WO2012129244
		US2012029837

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