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Extract from the Register of European Patents

EP About this file: EP0996092

EP0996092 - Efficient hashing method [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.10.2007
Database last updated on 14.09.2024
Most recent event   Tooltip08.01.2010Lapse of the patent in a contracting state
New state(s): CY		published on 10.02.2010  [2010/06]
Applicant(s)For all designated states
LUCENT TECHNOLOGIES INC.
600 Mountain Avenue
Murray Hill, NJ 07974-0636 / US
[N/P]
Former [2000/17]For all designated states
LUCENT TECHNOLOGIES INC.
600 Mountain Avenue
Murray Hill, New Jersey 07974-0636 / US
Inventor(s)01 / Patel, Sarvar
34 Miller Lane
Montville, New Jersey 07045 / US
02 / Ramzan, Zulfikar Amin
282 Newbury Street, No. 20
Boston, Massachusetts 02115 / US
[2000/17]
Representative(s)Sarup, David Alexander, et al
Alcatel-Lucent Telecom Ltd
Patent Business
c/o Nokia
125 Finsbury Pavement
London EC2A 1NQ / GB
[N/P]
Former [2008/46]Sarup, David Alexander, et al
Alcatel-Lucent Telecom Limited Unit 18, Core 3, Workzone Innova Business Park Electric Avenue Enfield
EN3 7XU / GB
Former [2006/09]Sarup, David Alexander, et al
Lucent Technologie NS UK Limited 5 Mornington Road
Woodford Green, Essex IG8 0TU / GB
Former [2000/17]Watts, Christopher Malcolm Kelway, Dr., et al
Lucent Technologies (UK) Ltd, 5 Mornington Road
Woodford Green Essex, IG8 0TU / GB
Application number, filing date99308032.412.10.1999
[2000/17]
Priority number, dateUS1998017517820.10.1998         Original published format: US 175178
[2000/17]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0996092
Date:26.04.2000
Language:EN
[2000/17]
Type: A3 Search report 
No.:EP0996092
Date:12.05.2004
[2004/20]
Type: B1 Patent specification 
No.:EP0996092
Date:06.12.2006
Language:EN
[2006/49]
Search report(s)(Supplementary) European search report - dispatched on:EP29.03.2004
ClassificationIPC:G06T9/00
[2000/17]
CPC:
H03M7/30 (EP,US); G06F7/60 (KR)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [2000/17]
TitleGerman:Effiziente Verfahren zum Hashkodieren[2000/17]
English:Efficient hashing method[2000/17]
French:Méthode efficace de calcul aléatoire d'adresses (hashing)[2000/17]
Examination procedure27.09.2004Examination requested  [2004/48]
28.10.2004Despatch of a communication from the examining division (Time limit: M04)
21.02.2005Reply to a communication from the examining division
23.12.2005Communication of intention to grant the patent
03.04.2006Fee for grant paid
03.04.2006Fee for publishing/printing paid
Opposition(s)07.09.2007No opposition filed within time limit [2007/46]
Fees paidRenewal fee
08.10.2001Renewal fee patent year 03
01.10.2002Renewal fee patent year 04
21.10.2003Renewal fee patent year 05
18.10.2004Renewal fee patent year 06
20.10.2005Renewal fee patent year 07
23.10.2006Renewal 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  TooltipAT06.12.2006
BE06.12.2006
CH06.12.2006
CY06.12.2006
DK06.12.2006
FI06.12.2006
IT06.12.2006
LI06.12.2006
NL06.12.2006
SE06.03.2007
GR07.03.2007
ES17.03.2007
PT07.05.2007
[2010/06]
Former [2008/21]AT06.12.2006
BE06.12.2006
CH06.12.2006
DK06.12.2006
FI06.12.2006
IT06.12.2006
LI06.12.2006
NL06.12.2006
SE06.03.2007
GR07.03.2007
ES17.03.2007
PT07.05.2007
Former [2008/17]AT06.12.2006
BE06.12.2006
CH06.12.2006
DK06.12.2006
FI06.12.2006
IT06.12.2006
LI06.12.2006
NL06.12.2006
SE06.03.2007
ES17.03.2007
PT07.05.2007
Former [2007/30]AT06.12.2006
BE06.12.2006
CH06.12.2006
FI06.12.2006
LI06.12.2006
NL06.12.2006
SE06.03.2007
Documents cited:Search[PX]  - ETZEL M, PATEL S., RAMZAN Z, "Square Hash: Fast Message Authentication Via Optimized Universal Hash Functions", ADVANCES IN CRYPTOLOGY - CRYPTO'99. 19TH ANNUAL INTERNATIONAL CONFERENCE ON CRYPTOLOGY, Santa Barbara, (19990815), pages 234 - 251, XP002271715 [PX] 1-3 * the whole document *
 [A]  - HALEVI S, KRAWCZYK H., "MMH: Software Message Authentication in the Gbit/second Rates", PROCEEDINGS OF THE 4TH WORKSHOP ON FAST SOFTWARE ENCRYPTION, 4TH INTERNATIONAL WORKSHOP, HAIFA, ISRAEL, Berlin, (19970120), vol. 1267, pages 172 - 189, XP002271714 [A] 1-3 * paragraph [03.1] * * paragraph [03.2] *
 [A]  - JUENEMAN R R, "Message Authentication Code", IEEE COMMUNICATIONS MAGAZINE, (198509), vol. 23, no. 9, pages 29 - 40, XP002272092 [A] 1-3 * Downloaded from http://dl.comsoc.org/cocoon/comsoc/servlets/GetPublication?id=147308; page 38 - page 39 *

DOI:   http://dx.doi.org/10.1109/MCOM.1985.1092643
 [A]  - PRENEEL B, "CRYPTOGRAPHIC HASH FUNCTIONS", EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS AND RELATED TECHNOLOGIES, AEI, MILANO, IT, (19940701), vol. 5, no. 4, ISSN 1120-3862, pages 17 - 34, XP000460559 [A] 1-3 * page 28, column 2 *
 [A]  - GIRAULT M, "Hash-functions using modulo-N operations", ADVANCES IN CRYPTOLOGY- EUROCRYPT. INTERNATIONAL CONFERENCE ON THE THEORY AND APPLICATION OF CRYPTOGRAPHIC TECHNIQUES, SPRINGER VERLAG, DE, (19870413), pages 217 - 226, XP002191869 [A] 1-3 * page 218 *
 [A]  - KNUTH, D E, The Art of Computer Programming, vol. 2: Seminumerical Algorithms, READING, MASSACHUSETTS, USA, ADDISON WESLEY, (1980), XP002271716 [A] 1-3 * 2nd edition; page 10 - page 11 * * page 26 - page 27 *
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.