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Extract from the Register of European Patents

EP About this file: EP0689131

EP0689131 - A computer system for executing branch instructions [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 05.07.2002 Database last updated on 20.09.2024
Most recent event Tooltip	04.01.2008	Lapse of the patent in a contracting state New state(s): IT	published on 06.02.2008 [2008/06]
Applicant(s)	For all designated states STMicroelectronics Limited 1000 Aztec West, Almondsbury Bristol BS12 4SQ / GB
	[N/P]
Former [1999/08]	For all designated states STMicroelectronics Limited 1000 Aztec West, Almondsbury Bristol BS12 4SQ / GB
Former [1995/52]	For all designated states SGS-THOMSON MICROELECTRONICS LTD. 1000 Aztec West, Almondsbury Bristol BS12 4SQ / GB
Inventor(s)	01 / Sturges, Andrew Craig 3 Wellington Avenue Montpelier, Bristol BS6 5HP / GB
	02 / Sidwell, Nathan Mackenzie 21 Cleave Street St. Werburghs, Bristol BS2 9UD / GB
	[1995/52]
Representative(s)	Driver, Virginia Rozanne, et al Page White & Farrer Limited Bedford House 21A John Street London WC1N 2BF / GB
	[N/P]
Former [1995/52]	Driver, Virginia Rozanne, et al Page White & Farrer 54 Doughty Street London WC1N 2LS / GB
Application number, filing date	95304199.3	16.06.1995
	[1995/52]
Priority number, date	GB19940012487	22.06.1994 Original published format: GB 9412487
	[1995/52]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0689131
	Date:	27.12.1995
	Language:	EN
	[1995/52]
	Type:	B1 Patent specification
	No.:	EP0689131
	Date:	29.08.2001
	Language:	EN
	[2001/35]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	07.09.1995
Classification	IPC:	G06F9/38	[1995/52]
	CPC:	G06F9/3804 (EP,US); G06F9/3842 (EP,US)
Designated contracting states	DE, FR, GB, IT [1995/52]
Title	German:	Computersystem zur Ausführung von Verzweigungsbefehlen	[2000/49]
	English:	A computer system for executing branch instructions	[1995/52]
	French:	Système d'ordinateur pour éxécuter des instructions de branchement	[2000/22]
	Former [1995/52]	Rechnersystem zur Ausführung von Verzweigungsbefehlen
	Former [1995/52]	Système calculateur d'éxécution des instructions de branchement
Examination procedure	25.06.1996	Examination requested [1996/34]
	09.07.1997	Amendment by applicant (claims and/or description)
	24.06.1999	Despatch of a communication from the examining division (Time limit: M04)
	20.10.1999	Reply to a communication from the examining division
	26.10.2000	Despatch of communication of intention to grant (Approval: Yes)
	22.02.2001	Communication of intention to grant the patent
	14.05.2001	Fee for grant paid
	14.05.2001	Fee for publishing/printing paid
Divisional application(s)	EP00102080.9 / EP1003095
Opposition(s)	30.05.2002	No opposition filed within time limit [2002/34]
Fees paid	Renewal fee
	30.06.1997	Renewal fee patent year 03
	25.06.1998	Renewal fee patent year 04
	25.06.1999	Renewal fee patent year 05
	27.06.2000	Renewal fee patent year 06
	26.06.2001	Renewal fee patent year 07
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	FR	29.08.2001
	IT	29.08.2001
	DE	30.11.2001
	[2008/06]
Former [2006/14]	FR	29.08.2001
	DE	30.11.2001
Former [2003/21]	DE	30.11.2001
	FR	25.01.2002
Former [2003/17]	DE	30.11.2001
Documents cited:	Search	[A]EP0355069 (EVANS & SUTHERLAND COMPUTER CO [US]) [A] 1,3,5,6,9-11,13,14,17,19-21,23 * the whole document *;
		[A]US3551895 (DRISCOLL GRAHAM C JR) [A] 1,12,15,17,22 * abstract; column 2, line 44 - column 3, line 10; column 4, line 5 - column 6, line 27; column 7, lines 2-6 *;
		[A]US3577189 (COCKE JOHN, et al) [A] 1,10,11,13,17,20,23 * the whole document *;
		[A]US4200927 (HUGHES JEFFREY F [US], et al) [A] 4 * column W *;
		[A] - CORTADELLA AND LLABERIA, "Making branches transparent to the execution unit", INTERNATIONAL JOURNAL OF MINI AND MICROCOMPUTERS, CALGARY, CALIFORNIA US, vol. 11, no. 1, pages 13 - 17, XP000210082 [A] 1,5,6,9-11,13,17,23 * the whole document *
		[A] - PLESZKUN AND FARRENS, "An instruction cache design for use with a delayed branch", PROCEEDINGS 4TH MIT CONFERENCE : ADVANCED RESEARCH IN VLSI, CAMBRIDGE, MA,US, (19860407), pages 73 - 88, XP002155740 [A] 1,5-7,9,15,23,24 * page 74, 4th paragraph - page 75, 1st paragraph ; page 78, 4th paragraph - page 80, 1st paragraph ; page 85, 3rd paragraph ; *
		[A] - BEEBE ET AL., "Instruction sequencing control", IBM TECHNICAL DISCLOSURE BULLETIN., NEW YORK US, vol. 14, no. 12, pages 3599 - 3611 [A] 1,5,6,10,11,13,14,17,20-23 * page 3601, lines 31-40; page 3602, lines 21-33; page 3603, lines 3-7; page 3606, line 28 - page 3607, line 43 *
		[A] - LEE,MAHON AND MORRIS, "Pathlength reduction features in the PA-Risc architecture", COMPCON SPRING 92, SAN FRANCISCO,US, (19920224), doi:doi:10.1109/CMPCON.1992.186698, pages 129 - 135, XP000340724 [A] 27,37 * page 133, section 4.1 * DOI: http://dx.doi.org/10.1109/CMPCON.1992.186698
		[A] - "Acceleration of multimedia applications using a branch conditional to previous target instruction", IBM TECHNICAL DISCLOSURE BULLETIN, ARMONK,US, vol. 37, no. 4b, pages 285 - 288 [A] 27,37 * the whole document *
	by applicant	EP0355069

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