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Extract from the Register of European Patents

EP About this file: EP0976049

EP0976049 - METHOD AND APPARATUS FOR CONTROLLING ACCESS TO ENCRYPTED DATA FILES IN A COMPUTER SYSTEM [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.05.2006
Database last updated on 08.10.2024
Most recent event   Tooltip23.03.2007Lapse of the patent in a contracting state
New state(s): ES, LU		published on 25.04.2007  [2007/17]
Applicant(s)For all designated states
International Business Machines Corporation
New Orchard Road
Armonk, NY 10504 / US
[N/P]
Former [2005/25]For all designated states
International Business Machines Corporation
New Orchard Road
Armonk, N.Y. 10504 / US
Former [2003/08]For all designated states
International Business Machines Corporation
Old Orchard Road
Armonk, N.Y. 10504 / US
Former [2000/05]For all designated states
LOTUS DEVELOPMENT CORPORATION
55 Cambridge Parkway
Cambridge, Massachusetts 02142 / US
Inventor(s)01 / ELDRIDGE, Alan, D.
7 Sherwood Drive
Hollis, NH 03049 / US
02 / KAUFMAN, Charles, W.
185 Indian Meadow Drive
Northborough, MA 01532 / US
[2000/05]
Representative(s)Ling, Christopher John, et al
IBM United Kingdom Limited
Intellectual Property Department
Hursley Park
Winchester
Hampshire SO21 2JN / GB
[N/P]
Former [2003/08]Ling, Christopher John, et al
IBM United Kingdom Limited, Intellectual Property Department, Hursley Park
Winchester, Hampshire SO21 2JN / GB
Former [2000/05]Shaya, Darrin Maurice
Marks & Clerk, 57-60 Lincoln's Inn Fields
London WC2A 3LS / GB
Application number, filing date96945639.127.12.1996
[2000/05]
WO1996US20487
Priority number, dateUS1995057981228.12.1995         Original published format: US 579812
[2000/05]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9724675
Date:10.07.1997
Language:EN
[1997/30]
Type: A1 Application with search report 
No.:EP0976049
Date:02.02.2000
Language:EN
The application published by WIPO in one of the EPO official languages on 10.07.1997 takes the place of the publication of the European patent application.
[2000/05]
Type: B1 Patent specification 
No.:EP0976049
Date:22.06.2005
Language:EN
[2005/25]
Search report(s)International search report - published on:EP10.07.1997
ClassificationIPC:G06F12/14, G06F1/00
[2000/05]
CPC:
G06F21/40 (EP,US); G06F21/6209 (EP,US); G06F21/6218 (EP,US);
G06F21/6227 (EP,US); G06F2221/2107 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [2000/05]
TitleGerman:VERFAHREN UND GERÄT ZUM KONTROLLIERTEN ZUGRIFF ZU VERSCHLÜSSELTEN DATENAKTEN IN EINEM COMPUTERSYSTEM[2000/05]
English:METHOD AND APPARATUS FOR CONTROLLING ACCESS TO ENCRYPTED DATA FILES IN A COMPUTER SYSTEM[2000/05]
French:PROCEDE ET APPAREIL POUR CONTROLER L'ACCES A DES FICHIERS DE DONNEES CODEES DANS UN SYSTEME INFORMATIQUE[2000/05]
Entry into regional phase27.07.1998National basic fee paid 
27.07.1998Designation fee(s) paid 
27.07.1998Examination fee paid 
Examination procedure24.07.1997Request for preliminary examination filed
International Preliminary Examining Authority: EP
27.07.1998Examination requested  [2000/05]
18.05.2000Despatch of a communication from the examining division (Time limit: M06)
28.11.2000Reply to a communication from the examining division
14.07.2003Despatch of a communication from the examining division (Time limit: M06)
23.01.2004Reply to a communication from the examining division
23.07.2004Communication of intention to grant the patent
27.10.2004Fee for grant paid
27.10.2004Fee for publishing/printing paid
Opposition(s)23.03.2006No opposition filed within time limit [2006/24]
Fees paidRenewal fee
23.12.1998Renewal fee patent year 03
17.11.1999Renewal fee patent year 04
17.11.2000Renewal fee patent year 05
21.11.2001Renewal fee patent year 06
12.12.2002Renewal fee patent year 07
15.12.2003Renewal fee patent year 08
15.12.2004Renewal fee patent year 09
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  TooltipAT22.06.2005
BE22.06.2005
CH22.06.2005
ES22.06.2005
FI22.06.2005
LI22.06.2005
DK22.09.2005
GR22.09.2005
SE22.09.2005
PT29.11.2005
LU31.12.2005
MC31.12.2005
[2007/17]
Former [2006/40]AT22.06.2005
BE22.06.2005
CH22.06.2005
FI22.06.2005
LI22.06.2005
DK22.09.2005
GR22.09.2005
SE22.09.2005
PT29.11.2005
MC31.12.2005
Former [2006/26]AT22.06.2005
BE22.06.2005
CH22.06.2005
FI22.06.2005
LI22.06.2005
DK22.09.2005
GR22.09.2005
SE22.09.2005
PT29.11.2005
Former [2006/14]AT22.06.2005
BE22.06.2005
CH22.06.2005
FI22.06.2005
LI22.06.2005
GR22.09.2005
SE22.09.2005
PT29.11.2005
Former [2006/13]AT22.06.2005
BE22.06.2005
FI22.06.2005
SE22.09.2005
Former [2005/52]FI22.06.2005
SE22.09.2005
Former [2005/50]SE22.09.2005
Cited inInternational search[A]US5052040  (PRESTON HAROLD W [US], et al);
 [XA]US5210795  (LIPNER STEVEN B [US], et al) [X] 1 * column W * [A] 5,6,9,10,22;
 [XA]US5319705  (HALTER BERNARD J [US], et al) [X] 1 * column A; figures 12,14 * * column 4, line 23 - column 6, line 24 * [A] 5,6,9,10,22;
 [A]US5369707  (FOLLENDORE III ROY D [US]);
 [A]US5373559  (KAUFMAN CHARLES W [US], et al) [A] 10,22 * column A; figures 6,7 * * column 6, line 55 - column 7, line 38 * * column 11, line 1 - column 12, line 2 *
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.