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Extract from the Register of European Patents

EP About this file: EP0703471

EP0703471 - Color filter, production process thereof, and liquid crystal display panel equipped with the color filter [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 24.10.2003 Database last updated on 28.09.2024
Most recent event Tooltip	28.12.2007	Lapse of the patent in a contracting state	published on 30.01.2008 [2008/05]
Applicant(s)	For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP
	[N/P]
Former [1996/13]	For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP
Inventor(s)	01 / Eida, Tsuyoshi c/o Canon K.K., 30-2, 3-chome, Shimomaruko Ohta-ku, Tokyo / JP
	02 / Shirota, Katsuhiro c/o Canon K.K., 30-2, 3-chome, Shimomaruko Ohta-ku, Tokyo / JP
	03 / Miyazaki, Takeshi c/o Canon K.K., 30-2, 3-chome, Shimomaruko Ohta-ku, Tokyo / JP
	[1996/13]
Representative(s)	Weser, Wolfgang Weser & Kollegen Patentanwälte Radeckestrasse 43 81245 München / DE
	[N/P]
Former [1996/13]	Weser, Wolfgang Dres. Weser & Martin, Patentanwälte, Radeckestrasse 43 D-81245 München / DE
Application number, filing date	95114807.1	20.09.1995
	[1996/13]
Priority number, date	JP19940226192	21.09.1994 Original published format: JP 22619294
	JP19950235112	13.09.1995 Original published format: JP 23511295
	[1996/13]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP0703471
	Date:	27.03.1996
	Language:	EN
	[1996/13]
	Type:	A3 Search report
	No.:	EP0703471
	Date:	04.09.1996
	[1996/36]
	Type:	B1 Patent specification
	No.:	EP0703471
	Date:	18.12.2002
	Language:	EN
	[2002/51]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	17.07.1996
Classification	IPC:	G02B5/20, G02F1/1335, C09D11/00, B41J2/01	[1996/35]
	CPC:	G02F1/133516 (EP,US); G02B5/201 (EP,US); G02F1/133512 (EP,US)
	Former IPC [1996/13]	G02B5/20, G02F1/1335
Designated contracting states	DE, FR, GB, IT [1996/13]
Title	German:	Farbfilter, Herstellungsverfahren desselben, und damit ausgestattete Flüssigkristallanzeigetafel	[1996/13]
	English:	Color filter, production process thereof, and liquid crystal display panel equipped with the color filter	[1996/13]
	French:	Filtre coloré, procédé de fabrication et panneau d'affichage à cristaux liquides équipé avec le filtre	[1996/13]
Examination procedure	03.03.1997	Examination requested [1997/18]
	03.11.2000	Despatch of a communication from the examining division (Time limit: M06)
	09.05.2001	Reply to a communication from the examining division
	08.02.2002	Despatch of communication of intention to grant (Approval: Yes)
	15.04.2002	Communication of intention to grant the patent
	24.07.2002	Fee for grant paid
	24.07.2002	Fee for publishing/printing paid
Opposition(s)	19.09.2003	No opposition filed within time limit [2003/50]
Fees paid	Renewal fee
	30.09.1997	Renewal fee patent year 03
	29.09.1998	Renewal fee patent year 04
	30.09.1999	Renewal fee patent year 05
	29.09.2000	Renewal fee patent year 06
	28.09.2001	Renewal fee patent year 07
	30.09.2002	Renewal fee patent year 08
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	IT	18.12.2002
	[2008/05]
Documents cited:	Search	[A]GB2149415 (CANON KK) [A] 1,12,26,31,43-46 * page 1, line 5 - line 10 ** page 2, line 7 - line 13 *;
		[XA]JPS6225171 (FUJI PHOTO FILM CO LTD) [X] 26 * abstract * [A] 1,12,31,43-46;
		[A]US4701837 (SAKAKI MAMORU [JP], et al) [A] 1,12,26,31,39,40,43-46 * column 2, line 10 - line 18 * * column 3, line 4 - line 14 * * column 8, line 35 - line 49 * * column 10, line 20 - line 45 *;
		[XA]JPS63253302 (MATSUSHITA ELECTRIC IND CO LTD) [X] 26 * abstract * [A] 1,12,31,43-46;
		[YA]US4832984 (HASEGAWA KENJI [JP], et al) [Y] 1,11,31 * column 9, line 60 - line 68 * * column 10, line 1 - line 16 * * column 13, line 23 - line 33 * [A] 1,8,12,25,39,43-46;
		[XAY]EP0452922 (MATSUSHITA ELECTRIC IND CO LTD [JP]) [X] 26-28 * page 13, line 29 - line 54 * * figures 4,5 * [A] 2,3,12,17,18,25,32,33,40,43-46 [Y] 1,11,31;
		[A]WO9324240 (ADVANCED TECH INCUBATOR [US]) [A] 1,12,26,31,37,39,40,43-46 * the whole document *;
		[A]EP0603898 (CANON KK [JP]) [A] 1,12,26,31,39,40,43-46 * page 1, line 18 - line 24 * * page 4, line 57 - line 58 * * page 5, line 5 - line 7 * * example - *
	Examination	JPS6177014
		JPH03287102
		JPH05288913
		EP0571625
	by applicant	JPS5975205
		JPS63235901
		JPH01217302
		JPH04123005

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