Deutsch English Français

Contact

EP0661049

European procedure

Quick help

Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...

News flashes

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...

Extract from the Register of European Patents

EP About this file: EP0661049

EP0661049 - Use of essential fatty acid compositions [Right-click to bookmark this link]
Status	Patent revoked Status updated on 01.11.2002 Database last updated on 11.04.2026
Most recent event Tooltip	28.12.2007	Lapse of the patent in a contracting state New state(s): IT	published on 30.01.2008 [2008/05]
Applicant(s)	For all designated states RIJKSUNIVERSITEIT LIMBURG Tongersestraat 53 P.O. Box 616 6200 MD Maastricht / NL
	[1999/33]
Former [1995/27]	For all designated states RIJKSUNIVERSITEIT LIMBURG Tongersestraat 53 P.O. Box 616 NL-6200 MD Maastricht / NL
Inventor(s)	01 / Hornstra, Gerard Meendaal 160 NL-6228 GR Maastricht / NL
	[1995/27]
Representative(s)	de Bruijn, Leendert C., et al Nederlandsch Octrooibureau P.O. Box 29720 2502 LS Den Haag / NL
	[N/P]
Former [1995/27]	de Bruijn, Leendert C., et al Nederlandsch Octrooibureau P.O. Box 29720 NL-2502 LS Den Haag / NL
Application number, filing date	93203735.1	31.12.1993
	[1995/27]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0661049
	Date:	05.07.1995
	Language:	EN
	[1995/27]
	Type:	B1 Patent specification
	No.:	EP0661049
	Date:	18.08.1999
	Language:	EN
	[1999/33]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	03.06.1994
Classification	IPC:	A61K31/20, A61K31/23, A23L1/30, A23L1/03	[1995/27]
	CPC:	A61K31/20 (EP); A23L33/12 (EP); A61K31/201 (EP); A61K31/202 (EP)
	C-Set:	A61K31/202, A61K2300/00 (EP); A61K31/202, A61K31/201, A61K31/20 (EP)
Designated contracting states	AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE [1995/27]
Title	German:	Verwendung von Zusammensetzungen essentieller Fettsäuren	[1995/27]
	English:	Use of essential fatty acid compositions	[1995/27]
	French:	Usage de compositions d'acides gras essentiels	[1995/27]
Examination procedure	22.12.1995	Examination requested [1996/10]
	20.05.1998	Despatch of communication of intention to grant (Approval: No)
	30.11.1998	Despatch of communication of intention to grant (Approval: later approval)
	11.02.1999	Communication of intention to grant the patent
	26.04.1999	Fee for grant paid
	26.04.1999	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 02.05.2000 22.05.2000 ADMISSIBLE Unilever N.V., Rotterdam Patent Division Olivier van Noortlaan 120 Postbus 137 NL-3130 AC Vlaardingen / NL
		02 17.05.2000 30.05.2000 ADMISSIBLE F. Hoffmann-LaRoche AG Emil-Barell-Strasse 1 79639 Grenzach-Wyhlen / DE Opponent's representative Keller, Günter Lederer & Keller Patentanwälte Partnerschaft mbB Unsöldstrasse 2 80538 München / DE
		[N/P]
	Former [2002/14]
	Opponent(s)	01 02.05.2000 22.05.2000 ADMISSIBLE Unilever N.V., Rotterdam Patent Division Olivier van Noortlaan 120 Postbus 137 NL-3130 AC Vlaardingen / NL
		02 17.05.2000 30.05.2000 ADMISSIBLE F. Hoffmann-LaRoche AG Emil-Barell-Strasse 1 79639 Grenzach-Wyhlen / DE Opponent's representative Keller, Günter, Dr. Lederer & Keller Patentanwälte Prinzregentenstrasse 16 80538 München / DE
	Former [2000/28]
	Opponent(s)	01 02.05.2000 22.05.2000 ADMISSIBLE Unilever N.V., Rotterdam Patent Division Olivier van Noortlaan 120 Postbus 137 NL-3130 AC Vlaardingen / NL
		02 17.05.2000 30.05.2000 ADMISSIBLE F. Hoffmann-LaRoche AG Emil-Barell-Strasse 1 79639 Grenzach-Wyhlen / DE Opponent's representative Kellenberger, Marcus, Dr. F.Hoffmann-La Roche AG Patent Department (PLP), 124 Grenzacherstrasse 4070 Basel / CH
	Former [2000/26]
	Opponent(s)	01 02.05.2000 22.05.2000 ADMISSIBLE Unilever N.V., Rotterdam Patent Division Olivier van Noortlaan 120 Postbus 137 NL-3130 AC Vlaardingen / NL
	01.08.2000	Invitation to proprietor to file observations on the notice of opposition
	12.02.2001	Reply of patent proprietor to notice(s) of opposition
	19.06.2002	Date of oral proceedings
	19.06.2002	Legal effect of revocation of patent [2002/51]
	19.07.2002	Despatch of minutes of oral proceedings
	19.07.2002	Despatch of communication that the patent will be revoked
Fees paid	Renewal fee
	11.04.1996	Renewal fee patent year 03
	27.06.1997	Renewal fee patent year 04
	31.12.1997	Renewal fee patent year 05
	28.12.1998	Renewal fee patent year 06
	Penalty fee
	Additional fee for renewal fee
	31.12.1995	03 M06 Fee paid on 11.04.1996
	31.12.1996	04 M06 Fee paid on 27.06.1997
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	ES	18.08.1999
	GR	18.08.1999
	IT	18.08.1999
	PT	18.11.1999
	MC	30.06.2000
	[2008/05]
Former [2003/18]	ES	18.08.1999
	GR	18.08.1999
	PT	18.11.1999
	MC	30.06.2000
Former [2003/17]	ES	18.08.1999
	GR	18.08.1999
	PT	18.11.1999
	MC	31.12.1999
Former [2002/26]	ES	18.08.1999
	GR	18.08.1999
	PT	18.11.1999
	MC	30.06.2000
Former [2001/23]	GR	18.08.1999
	PT	18.11.1999
	MC	30.06.2000
Former [2000/26]	PT	18.11.1999
Documents cited:	Search	[X] WO9212711 (MARTEK CORP et al.) [X] 1-9 * page 8, line 18 - line 21; claims 1-58,60 *
		[XY] EP0440347 (EFAMOL HOLDINGS et al.) [X] 1-9 * page 1, lines 9-10 * * page 5, line 40 - line 44 * * page 6, line 32 - line 34; example 3; claim - *[Y] 1-9
		[Y] GB2197199 (EFAMED PTY LTD et al.) [Y] 1-9 * page 1, line 26 - line 32 * * page 1, line 46 - line 65; claim - *
		[A] EP0092085 (NESTLE SA et al.) [A] 1-9 * page 1, line 30 - page 2, line 3 * * page 3, line 15 - line 24; examples 17,19; claims 1,2,4 *
		[A] US4938984 (TRAITLER HELMUT et al.)
		[A] EP0092076 (NESTLE SA et al.) [A] 1-9 * page 1, lines 1-12 * * page 3, line 15 - line 22 * * page 4, lines 7-10 * * page 5, line 7 - line 9 * * page 6, line 30 - page 7, line 14; example 5; claim - *
		[A] US4938984 (TRAITLER HELMUT et al.)
		[A] EP0231904 (MILUPA AG et al.) [A] 1-9 * claim - *
		[A] DE3603000 (MILUPA AG et al.)
		[DA] EP0181689 (EFAMOL LTD et al.) [DA] 1-9 * claims 1,4,5 *
		[DA] EP0404058 (MILUPA AG et al.) [DA] 1-9 * claim - *
		[Y] A.KARLESKIND: "Manuel des corps gras", 1992, LAVOISIER TEC & DOC, PARIS [Y] 1-9 * Volume 1,pages 172-175,264-265; page 173; table 63 * * page 174; table 66 * * page 264 - page 264; table 21 *

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.