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EP0479617
European procedure
Extract from the Register of European Patents
EP About this file: EP0479617
| EP0479617 - Mutual authentication method [Right-click to bookmark this link] | |||
| Former [1992/15] | Mutual authentication system and method | ||
| [1998/17] | Status | Patent revoked Status updated on 10.11.2000 Database last updated on 19.07.2024 | Most recent event Tooltip | 10.11.2000 | Revocation of patent | published on 27.12.2000 [2000/52] | Applicant(s) | For all designated states Kabushiki Kaisha Toshiba 72, Horikawa-cho, Saiwai-ku Kawasaki-shi Kanagawa-ken 210-8572 / JP | [N/P] |
| Former [1998/17] | For all designated states KABUSHIKI KAISHA TOSHIBA 72, Horikawa-cho, Saiwai-ku Kawasaki-shi, Kanagawa-ken 210 / JP | ||
| Former [1995/01] | For all designated states KABUSHIKI KAISHA TOSHIBA 72, Horikawa-cho, Saiwai-ku Kawasaki-shi, Kanagawa-ken 210, Tokyo / JP | ||
| Former [1992/15] | For all designated states KABUSHIKI KAISHA TOSHIBA 72, Horikawa-cho, Saiwai-ku Kawasaki-shi, Kanagawa-ken 210 / JP | Inventor(s) | 01 /
Iijima, Yasuo, c/o Intellectual Property Div. Toshiba Corporation, 1-1-1 Shibaura Minato-ku, Tokyo / JP | [1992/15] | Representative(s) | BATCHELLOR, KIRK & CO. 102-108 Clerkenwell Road London EC1M 5SA / GB | [N/P] |
| Former [1992/15] | BATCHELLOR, KIRK & CO. 2 Pear Tree Court Farringdon Road London EC1R 0DS / GB | Application number, filing date | 91309142.7 | 04.10.1991 | [1992/15] | Priority number, date | JP19900266261 | 05.10.1990 Original published format: JP 26626190 | [1992/15] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0479617 | Date: | 08.04.1992 | Language: | EN | [1992/15] | Type: | A3 Search report | No.: | EP0479617 | Date: | 22.12.1993 | Language: | EN | [1993/51] | Type: | B1 Patent specification | No.: | EP0479617 | Date: | 22.04.1998 | Language: | EN | [1998/17] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.11.1993 | Classification | IPC: | G07F7/12 | [1992/15] | CPC: |
G06Q20/341 (EP,US);
G06Q20/40975 (EP,US);
G07F7/1008 (EP,US);
H04W12/06 (EP,US);
H04L63/0853 (EP,US);
H04L63/0869 (EP,US);
H04W92/08 (EP,US)
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| Designated contracting states | DE, FR, GB [1992/15] | Title | German: | Verfahren zur gegenseitigen Echtheitserkennung | [1998/17] | English: | Mutual authentication method | [1998/17] | French: | Méthode pour authentification mutuelle | [1998/17] |
| Former [1992/15] | System und Verfahren zur gegenseitigen Echtheitserkennung | ||
| Former [1992/15] | Mutual authentication system and method | ||
| Former [1992/15] | Système et méthode pour authentification mutuelle | Examination procedure | 25.10.1991 | Examination requested [1992/15] | 20.10.1994 | Despatch of a communication from the examining division (Time limit: M04) | 20.02.1995 | Reply to a communication from the examining division | 05.07.1995 | Despatch of a communication from the examining division (Time limit: M04) | 09.11.1995 | Reply to a communication from the examining division | 19.02.1996 | Despatch of a communication from the examining division (Time limit: M06) | 16.08.1996 | Reply to a communication from the examining division | 17.06.1997 | Despatch of communication of intention to grant (Approval: Yes) | 21.10.1997 | Communication of intention to grant the patent | 15.01.1998 | Fee for grant paid | 15.01.1998 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
12.01.1999
ADMISSIBLE GIESECKE & DEVRIENT GmbH Prinzregentenstr. 159 81677 München / DE | [N/P] |
| Former [1999/13] | |||
| Opponent(s) | 01
12.01.1999
ADMISSIBLE Giesecke & Devrient GmbH Prinzregentenstr. 159 81677 München / DE | 03.03.1999 | Invitation to proprietor to file observations on the notice of opposition | 02.09.1999 | Reply of patent proprietor to notice(s) of opposition | 12.05.2000 | Date of oral proceedings | 27.07.2000 | Despatch of minutes of oral proceedings | 27.07.2000 | Despatch of communication that the patent will be revoked | 07.08.2000 | Legal effect of revocation of patent [2000/52] | Fees paid | Renewal fee | 11.10.1993 | Renewal fee patent year 03 | 08.10.1994 | Renewal fee patent year 04 | 10.10.1995 | Renewal fee patent year 05 | 09.10.1996 | Renewal fee patent year 06 | 10.10.1997 | Renewal fee patent year 07 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [XA]EP0216298 (CASIO COMPUTER CO LTD [JP]) [X] 1-8 * abstract * * column 4, line 10 - line 14; claims 1,2 * [A] 9; | [A]EP0252849 (BULL CP8 [FR]) [A] 1,6,9 * abstract *; | [A]EP0281058 (SIEMENS AG [DE]) [A] 1,6,9 * column 2, line 33 - column 3, line 40 *; | [A]EP0284133 (TRT TELECOM RADIO ELECTR [FR], et al) [A] 1,6,9 * column 3, line 36 - column 4, line 39 * | Examination | WO8707062 |