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EP0756397
European procedure
Extract from the Register of European Patents
EP About this file: EP0756397
| EP0756397 - System and method for key distribution and authentication between a host and a portable device [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.04.2004 Database last updated on 28.02.2026 | Most recent event Tooltip | 26.06.2009 | Change - representative | published on 29.07.2009 [2009/31] | Applicant(s) | For all designated states Hewlett-Packard Company 3000 Hanover Street Palo Alto, CA 94304 / US | For all designated states Agilent Technologies, Inc. (A Delaware Corporation) 395 Page Mill Road Palo Alto CA 94303 / US | [N/P] |
| Former [2001/41] | For all designated states Hewlett-Packard Company, A Delaware Corporation 3000 Hanover Street Palo Alto, CA 94304 / US | ||
| For all designated states Agilent Technologies, Inc. (a Delaware corporation) 395 Page Mill Road Palo Alto, CA 94303 / US | |||
| Former [2001/32] | For all designated states Hewlett-Packard Company, A Delaware Corporation 3000 Hanover Street Palo Alto, CA 94304 / US | ||
| For all designated states Agilent Technologies Inc. a Delaware Corporation 395 Page Mill Road Palo Alto, CA 94303 / US | |||
| Former [2001/31] | For all designated states Hewlett-Packard Company, A Delaware Corporation 3000 Hanover Street Palo Alto, CA 94304 / US | ||
| For all designated states Agilent Technologies Inc. a Delaware Corporation 395 Page Mill Road Palo Alto, CA 94303 / US | |||
| Former [2001/15] | For all designated states Hewlett-Packard Company, A Delaware Corporation 3000 Hanover Street Palo Alto, CA 94304 / US | ||
| For all designated states Agilent Technologies, Inc. 395 Page Mill Road Palo Alto, CA 94303 / US | |||
| Former [2001/13] | For all designated states Hewlett-Packard Company, A Delaware Corporation 3000 Hanover Street Palo Alto, CA 94304 / US | ||
| Former [1997/05] | For all designated states Hewlett-Packard Company 3000 Hanover Street Palo Alto, California 94304 / US | Inventor(s) | 01 /
Varadharajan, Vijay University of Western Sydney, Nepean, PO Box 10 Kingswood, New South Wales 2747 / AU | 02 /
Dack, David George 21 Nursery Close, Atworth Melksham, Wiltshire, SN12 8HX / GB | [1997/05] | Representative(s) | Coker, David Graeme, et al Agilent Technologies UK Ltd Legal Dept Eskdale Road Winnersh Triangle Wokingham, Berks RG41 5DZ / GB | [N/P] |
| Former [2009/31] | Coker, David Graeme, et al Agilent Technologies UK Ltd. Legal Department Eskdale Road Winnersh Triangle Wokingham Berkshire RG41 5DZ / GB | ||
| Former [2000/15] | Coker, David Graeme, et al Agilent Technologies UK Ltd, Legal Department, M/S CSCA15, Eskdale Road Winnersh Triangle Wokingham, Berks RG41 5DZ / GB | ||
| Former [1997/05] | Newell, William Joseph, et al Wynne-Jones, Lainé & James 22 Rodney Road Cheltenham Gloucestershire GL50 1JJ / GB | Application number, filing date | 96305505.8 | 26.07.1996 | [1997/05] | Priority number, date | EP19950305282 | 28.07.1995 Original published format: EP 95305282 | [1997/05] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0756397 | Date: | 29.01.1997 | Language: | EN | [1997/05] | Type: | A3 Search report | No.: | EP0756397 | Date: | 05.02.1997 | [1997/06] | Type: | B1 Patent specification | No.: | EP0756397 | Date: | 25.06.2003 | Language: | EN | [2003/26] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.12.1996 | Classification | IPC: | H04L9/08 | [1997/05] | CPC: |
H04L63/0492 (EP);
H04L63/062 (EP);
H04L63/18 (EP);
H04L9/0838 (EP);
H04L9/0891 (EP);
H04L2209/56 (EP);
| Designated contracting states | DE, FI, FR, GB, SE [1997/05] | Title | German: | System und Verfahren zur Schlüsselverteilung und zur Authentifizierung zwischen einem Host-Prozessor und einer tragbaren Vorrichtung | [1997/05] | English: | System and method for key distribution and authentication between a host and a portable device | [1997/05] | French: | Système et procédé pour la distribution de clé et pour l'authentification entre un ordinateur hôte et un dispositif portable | [1997/05] | Examination procedure | 22.07.1997 | Examination requested [1997/38] | 08.02.2001 | Despatch of a communication from the examining division (Time limit: M06) | 06.08.2001 | Reply to a communication from the examining division | 06.09.2002 | Despatch of a communication from the examining division (Time limit: M04) | 13.09.2002 | Reply to a communication from the examining division | 20.11.2002 | Communication of intention to grant the patent | 31.03.2003 | Fee for grant paid | 31.03.2003 | Fee for publishing/printing paid | Opposition(s) | 26.03.2004 | No opposition filed within time limit [2004/25] | Fees paid | Renewal fee | 29.06.1998 | Renewal fee patent year 03 | 02.07.1999 | Renewal fee patent year 04 | 03.07.2000 | Renewal fee patent year 05 | 25.07.2001 | Renewal fee patent year 06 | 22.07.2002 | 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 | FI | 25.06.2003 | FR | 25.06.2003 | SE | 25.09.2003 | [2006/14] |
| Former [2004/10] | FI | 25.06.2003 | |
| SE | 25.09.2003 | ||
| Former [2004/05] | FI | 25.06.2003 | Documents cited: | Search | [A] "PROXIMITY TAGS CONVERSE WITH NEARBY COMPUTER", MACHINE DESIGN, vol. 61, no. 2, 26 January 1989 (1989-01-26), CLEVELAND US, pages 42, XP000052605 [A] 1,8-11 * the whole document * | [A] "ACOUSTICALLY COUPLED SMART CARD", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 29, no. 9, February 1987 (1987-02-01), NEW YORK US, pages 3949 - 3950, XP000579987 [A] 7 * the whole document * |