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Extract from the Register of European Patents

EP About this file: EP1217512

EP1217512 - Arithmetic circuit and arithmetic method [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  25.06.2010
Database last updated on 02.09.2024
Most recent event   Tooltip23.09.2011Lapse of the patent in a contracting state
New state(s): TR		published on 26.10.2011  [2011/43]
Applicant(s)For all designated states
International Business Machines Corporation
New Orchard Road
Armonk, NY 10504 / US
[N/P]
Former [2009/34]For all designated states
International Business Machines Corporation
New Orchard Road
Armonk, NY 10504 / US
Former [2002/26]For all designated states
International Business Machines Corporation
New Orchard Road
Armonk, NY 10504 / US
Inventor(s)01 / Takano, Kohji, IBM United Kingdom Ltd.
Intellectual Property Law, Hursley Park
Winchester, Hampshire SO21 2JN / GB
02 / Satoh, Akashi, IBM United Kingdom Ltd.
Intellectual Property Law, Hursley Park
Winchester, Hampshire SO21 2JN / GB
 [2002/26]
Representative(s)Ling, Christopher John
IBM United Kingdom Limited
Intellectual Property Department
Hursley Park
Winchester
Hampshire SO21 2JN / GB
[N/P]
Former [2002/26]Ling, Christopher John
IBM United Kingdom Limited, Intellectual Property Department, Hursley Park
Winchester, Hampshire SO21 2JN / GB
Application number, filing date01128119.327.11.2001
[2002/26]
Priority number, dateJP2000038606919.12.2000         Original published format: JP 2000386069
[2002/26]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1217512
Date:26.06.2002
Language:EN
[2002/26]
Type: A3 Search report 
No.:EP1217512
Date:05.03.2008
[2008/10]
Type: B1 Patent specification 
No.:EP1217512
Date:19.08.2009
Language:EN
[2009/34]
Search report(s)(Supplementary) European search report - dispatched on:EP06.02.2008
ClassificationIPC:G06F7/72, G06F9/302, G06F9/38
[2008/48]
CPC:
G06F9/3824 (EP,US); G06F7/44 (KR); G06F7/728 (EP,US)
Former IPC [2002/26]G06F9/302, G06F9/38, // G06F7/72
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE,   TR [2002/26]
TitleGerman:Arithmetische Schaltung und arithmetisches Verfahren[2002/26]
English:Arithmetic circuit and arithmetic method[2002/26]
French:Circuit arithmétique et procédé arithmétique[2002/26]
Examination procedure02.09.2008Amendment by applicant (claims and/or description)
02.09.2008Examination requested  [2008/42]
12.11.2008Communication of intention to grant the patent
05.02.2009Fee for grant paid
05.02.2009Fee for publishing/printing paid
26.02.2009Despatch of a communication from the examining division (Time limit: M04)
26.06.2009Reply to a communication from the examining division
Opposition(s)20.05.2010No opposition filed within time limit [2010/30]
Fees paidRenewal fee
07.11.2003Renewal fee patent year 03
22.11.2004Renewal fee patent year 04
22.11.2005Renewal fee patent year 05
17.11.2006Renewal fee patent year 06
16.11.2007Renewal fee patent year 07
17.11.2008Renewal 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  TooltipAT19.08.2009
BE19.08.2009
CY19.08.2009
DK19.08.2009
FI19.08.2009
IT19.08.2009
NL19.08.2009
SE19.08.2009
TR19.08.2009
GR20.11.2009
IE27.11.2009
LU27.11.2009
CH30.11.2009
ES30.11.2009
LI30.11.2009
MC30.11.2009
PT21.12.2009
[2011/43]
Former [2011/21]AT19.08.2009
BE19.08.2009
CY19.08.2009
DK19.08.2009
FI19.08.2009
IT19.08.2009
NL19.08.2009
SE19.08.2009
GR20.11.2009
IE27.11.2009
LU27.11.2009
CH30.11.2009
ES30.11.2009
LI30.11.2009
MC30.11.2009
PT21.12.2009
Former [2011/14]AT19.08.2009
BE19.08.2009
CY19.08.2009
DK19.08.2009
FI19.08.2009
IT19.08.2009
NL19.08.2009
SE19.08.2009
GR20.11.2009
IE27.11.2009
CH30.11.2009
ES30.11.2009
LI30.11.2009
MC30.11.2009
PT21.12.2009
Former [2010/46]AT19.08.2009
BE19.08.2009
CY19.08.2009
DK19.08.2009
FI19.08.2009
NL19.08.2009
SE19.08.2009
GR20.11.2009
IE27.11.2009
CH30.11.2009
ES30.11.2009
LI30.11.2009
MC30.11.2009
PT21.12.2009
Former [2010/30]AT19.08.2009
BE19.08.2009
CY19.08.2009
DK19.08.2009
FI19.08.2009
NL19.08.2009
SE19.08.2009
ES30.11.2009
MC30.11.2009
PT21.12.2009
Former [2010/28]AT19.08.2009
BE19.08.2009
CY19.08.2009
DK19.08.2009
FI19.08.2009
NL19.08.2009
SE19.08.2009
ES30.11.2009
PT21.12.2009
Former [2010/20]AT19.08.2009
CY19.08.2009
DK19.08.2009
FI19.08.2009
NL19.08.2009
SE19.08.2009
ES30.11.2009
PT21.12.2009
Former [2010/16]AT19.08.2009
CY19.08.2009
FI19.08.2009
NL19.08.2009
SE19.08.2009
ES30.11.2009
PT21.12.2009
Former [2010/10]AT19.08.2009
FI19.08.2009
NL19.08.2009
SE19.08.2009
ES30.11.2009
Former [2010/09]AT19.08.2009
FI19.08.2009
SE19.08.2009
ES30.11.2009
Former [2010/08]AT19.08.2009
SE19.08.2009
ES30.11.2009
Documents cited:Search[X]GB2318890  (MOTOROLA LTD [GB]) [X] 1-13 * page 5 - page 18 *;
 [X]WO9927437  (ATMEL CORP [US]) [X] 1-13 * page 25, line 17 - line 36; figure 9 * * page 31, line 25 - page 39, line 21 *;
 [X]EP0947914  (RAINBOW TECHNOLOGIES INC [US]) [X] 1-13 * paragraph [0040] - paragraph [0046]; figure 11 *;
 [X]  - DENG YULIANG ET AL, "Implementation of RSA cryptoprocessor based on Montgomery algorithm", SOLID-STATE AND INTEGRATED CIRCUIT TECHNOLOGY, 1998. PROCEEDINGS. 1998 5TH INTERNATIONAL CONFERENCE ON BEIJING, CHINA 21-23 OCT. 1998, PISCATAWAY, NJ, USA,IEEE, US, (19981021), ISBN 0-7803-4306-9, pages 524 - 526, XP010347090 [X] 1-13 * paragraph [03.2] *

DOI:   http://dx.doi.org/10.1109/ICSICT.1998.785937
by applicantGB2318890
 WO9927437
 EP0947914
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.