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EP1640847

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Extract from the Register of European Patents

EP About this file: EP1640847

EP1640847 - Dynamic random access memory (DRAM) semiconductor device [Right-click to bookmark this link]
Status	Patent revoked Status updated on 07.10.2016 Database last updated on 09.05.2025
Most recent event Tooltip	07.10.2016	Revocation of patent	published on 09.11.2016 [2016/45]
Applicant(s)	For all designated states Rambus Inc. 1050 Enterprise Way, Suite 700 Sunnyvale, CA 94089 / US
	[2010/50]
Former [2006/13]	For all designated states Rambus, Inc. 4440 El Camino Real Los Altos, CA 94022 / US
Inventor(s)	01 / Farmwald, Michael 190 Golden Oak Drive Portola Valley, California 94028 / US
	02 / Horowitz, Mark A. 1309 San Mateo Drive Menlo Park, CA 94025 / US
	[2006/24]
Former [2006/13]	01 / Farmwald, Michael 190 Golden Oak Drive Portola Valley, California 94028 / US
	02 / Horowitz, Mark 2024 Columbia Street Palo Alto, California 94306 / US
Representative(s)	Eisenführ Speiser Patentanwälte Rechtsanwälte PartGmbB Johannes-Brahms-Platz 1 20355 Hamburg / DE
	[N/P]
Former [2009/28]	Eisenführ, Speiser & Partner Johannes-Brahms-Platz 1 20355 Hamburg / DE
Former [2006/13]	Eisenführ, Speiser & Partner Patentanwälte Rechtsanwälte Postfach 10 60 78 28060 Bremen / DE
Application number, filing date	05026720.2	16.04.1991
	[2006/13]
Priority number, date	US19900510898	18.04.1990 Original published format: US 510898
	[2006/13]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP1640847
	Date:	29.03.2006
	Language:	EN
	[2006/13]
	Type:	A3 Search report
	No.:	EP1640847
	Date:	31.05.2006
	[2006/22]
	Type:	B1 Patent specification
	No.:	EP1640847
	Date:	13.06.2007
	Language:	EN
	[2007/24]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	13.04.2006
Classification	IPC:	G06F13/42	[2006/22]
	CPC:	G11C7/1066 (EP,US); G06F11/006 (EP,US); G06F12/0215 (EP,US); G06F12/0661 (EP,US); G06F12/0684 (EP,US); G06F13/1605 (EP,US); (+) G06F13/161 (EP,US); G06F13/1678 (EP,US); G06F13/1689 (EP,US); G06F13/1694 (EP,US); G06F13/376 (EP,US); G06F13/4239 (EP,US); G11C11/4076 (EP,US); G11C11/4096 (EP,US); G11C29/88 (EP,US); G11C5/00 (EP,US); G11C5/04 (EP,US); G11C5/06 (EP,US); G11C5/063 (EP,US); G11C5/066 (EP,US); G11C7/1006 (EP,US); G11C7/1012 (EP,US); G11C7/1045 (EP,US); G11C7/1051 (EP,US); G11C7/1057 (EP,US); G11C7/1069 (EP,US); G11C7/1072 (EP,US); G11C7/1078 (EP,US); G11C7/1084 (EP,US); G11C7/22 (EP,US); G11C7/222 (EP,US); G11C7/225 (EP,US); G11C8/00 (EP,US); G06F11/1048 (EP,US); G11C2207/105 (EP,US); G11C2207/108 (EP,US); Y02D10/00 (EP,US) (-)
	Former IPC [2006/13]	G06F1/04
Designated contracting states	DE, FR, GB, IT [2007/06]
Former [2006/13]	AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL, SE
Title	German:	Halbleiterbauelement mit dynamischem Arbeitsspeicher (DRAM)	[2006/13]
	English:	Dynamic random access memory (DRAM) semiconductor device	[2006/13]
	French:	Dispositif à semi-conducteurs à mémoire vive dynamique (DRAM)	[2006/13]
Examination procedure	16.12.2005	Examination requested [2006/32]
	18.08.2006	Despatch of a communication from the examining division (Time limit: M04)
	20.09.2006	Reply to a communication from the examining division
	19.02.2007	Communication of intention to grant the patent
	16.03.2007	Fee for grant paid
	16.03.2007	Fee for publishing/printing paid
Parent application(s) Tooltip	EP00100018.1 / EP1022641
	EP91908374.1 / EP0525068
Opposition(s)	Opponent(s)	01 12.03.2008 03.07.2013 WITHDRAWN SK hynix Deutschland GmbH Am Prime Parc 13 65479 Raunheim / DE Opponent's representative Ter Meer Steinmeister & Partner Patentanwälte mbB Nymphenburger Straße 4 80335 München / DE
		02 13.03.2008 04.02.2014 WITHDRAWN MICRON EUROPE Ltd Micron House Wellington Business Park Dukes Ride Crowthorne Berkshire RG45 6LS / GB Opponent's representative Tunstall, Christopher Stephen, et al, et al Carpmaels & Ransford LLP One Southampton Row London WC1B 5HA / GB
		[2015/35]
	Former [2014/11]
	Opponent(s)	01 12.03.2008 03.07.2013 WITHDRAWN SK hynix Deutschland GmbH Am Prime Parc 13 65479 Raunheim / DE Opponent's representative Urner, Peter, et al, et al Ter Meer Steinmeister & Partner Mauerkircherstrasse 45 81679 München / DE
		02 13.03.2008 04.02.2014 WITHDRAWN MICRON EUROPE Ltd Micron House Wellington Business Park Dukes Ride Crowthorne Berkshire RG45 6LS / GB Opponent's representative Tunstall, Christopher Stephen, et al, et al Carpmaels & Ransford LLP One Southampton Row London WC1B 5HA / GB
	Former [2013/33]
	Opponent(s)	01 12.03.2008 03.07.2013 WITHDRAWN SK hynix Deutschland GmbH Am Prime Parc 13 65479 Raunheim / DE Opponent's representative Urner, Peter, et al, et al Ter Meer Steinmeister & Partner Mauerkircherstrasse 45 81679 München / DE
		02 13.03.2008 20.03.2008 ADMISSIBLE MICRON EUROPE Ltd Micron House Wellington Business Park Dukes Ride Crowthorne Berkshire RG45 6LS / GB Opponent's representative Tunstall, Christopher Stephen, et al, et al Carpmaels & Ransford LLP One Southampton Row London WC1B 5HA / GB
	Former [2012/41]
	Opponent(s)	01 12.03.2008 19.03.2008 ADMISSIBLE SK hynix Deutschland GmbH Am Prime Parc 13 65479 Raunheim / DE Opponent's representative Urner, Peter, et al, et al ter Meer Steinmeister & Partner GbR Mauerkircherstrasse 45 D-81679 München / DE
		02 13.03.2008 20.03.2008 ADMISSIBLE MICRON EUROPE Ltd Micron House Wellington Business Park Dukes Ride Crowthorne Berkshire RG45 6LS / GB Opponent's representative Tunstall, Christopher Stephen, et al, et al Carpmaels & Ransford One Southampton Row London WC1B 5HA / GB
	Former [2009/51]
	Opponent(s)	01 12.03.2008 19.03.2008 ADMISSIBLE Hynix Semiconductor Deutschland GmbH Kelsterbacher Strasse 16 65479 Raunheim / DE Opponent's representative Urner, Peter, et al, et al ter Meer Steinmeister & Partner GbR Mauerkircherstrasse 45 D-81679 München / DE
		02 13.03.2008 20.03.2008 ADMISSIBLE MICRON EUROPE Ltd Micron House Wellington Business Park Dukes Ride Crowthorne Berkshire RG45 6LS / GB Opponent's representative Tunstall, Christopher Stephen, et al, et al Carpmaels & Ransford 43-45 Bloomsbury Square London WC1A 2RA / GB
	Former [2008/17]
	Opponent(s)	01 12.03.2008 19.03.2008 ADMISSIBLE Hynix Semiconductor Deutschland GmbH Kelsterbacher Strasse 16 65479 Raunheim / DE Opponent's representative Urner, Peter, et al, et al ter Meer Steinmeister & Partner GbR Mauerkircherstrasse 45 D-81679 München / DE
		02 13.03.2008 20.03.2008 ADMISSIBLE MICRON EUROPE Ltd Micron House Wellington Business Park Dukes Ride Crowthorne Berkshire RG45 6LS / GB Opponent's representative Tunstall, Christopher Stephen, et al, et al Carpmaels & Ransford 43 Bloomsbury Square GB-London WC1A 2RA / GB
	21.04.2008	Invitation to proprietor to file observations on the notice of opposition
	23.12.2008	Reply of patent proprietor to notice(s) of opposition
	21.06.2011	Date of oral proceedings
	07.07.2011	Despatch of minutes of oral proceedings
	28.10.2011	Despatch of communication that the patent will be revoked
	13.08.2016	Legal effect of revocation of patent [2016/45]
Appeal following opposition	09.11.2011	Appeal received No. T2347/11
	01.03.2012	Statement of grounds filed
	25.07.2016	Result of appeal procedure: appeal of the proprietor was rejected
	16.10.2012	Date of oral proceedings
	19.10.2012	Minutes of the oral proceedings despatched
Fees paid	Renewal fee
	07.04.2006	Renewal fee patent year 03
	07.04.2006	Renewal fee patent year 04
	07.04.2006	Renewal fee patent year 05
	07.04.2006	Renewal fee patent year 06
	07.04.2006	Renewal fee patent year 07
	07.04.2006	Renewal fee patent year 08
	07.04.2006	Renewal fee patent year 09
	07.04.2006	Renewal fee patent year 10
	07.04.2006	Renewal fee patent year 11
	07.04.2006	Renewal fee patent year 12
	07.04.2006	Renewal fee patent year 13
	07.04.2006	Renewal fee patent year 14
	07.04.2006	Renewal fee patent year 15
	26.04.2006	Renewal fee patent year 16
	27.04.2007	Renewal fee patent year 17
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	08.02.2008
	GB	15.04.2011
	DE	16.04.2011
	[2013/31]
Former [2008/32]	FR	08.02.2008
Documents cited:	Search	[A]GB2201569 (INT COMPUTERS LTD) [A] 1-11 * column 2, line 10 - line 13 * * column A *;
		[A]US4805198 (STERN KENNETH J [US], et al) [A] 1-11* column A; figure 1 *;
		[Y]US4817058 (PINKHAM RAYMOND [US]) [Y] 1-11 * column 2, line 34 - line 60 *;
		[Y]EP0339224 (IBM [US]) [Y] 1-11 * abstract *

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.

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24.2.32; 35p