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EP0620527
European procedure
Extract from the Register of European Patents
EP About this file: EP0620527
| EP0620527 - A method and apparatus for validating labelled, ordered parse trees according to a context-free grammar specification [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 05.05.2001 Database last updated on 11.04.2026 | Most recent event Tooltip | 05.05.2001 | No opposition filed within time limit | published on 20.06.2001 [2001/25] | Applicant(s) | For all designated states Xerox Corporation Xerox Square Rochester New York 14644 / US | [N/P] |
| Former [2000/27] | For all designated states XEROX CORPORATION Xerox Square Rochester, New York 14644 / US | ||
| Former [1994/42] | For all designated states XEROX CORPORATION Xerox Square Rochester New York 14644 / US | Inventor(s) | 01 /
Brown, Allen L. Jr. 425 Glenmont Drive Solana Beach CA 92075 / US | 02 /
Marshall, Sidney W. 7 New Wickam Drive Penfield, New York 14526 / US | [1994/42] | Representative(s) | Skone James, Robert Edmund, et al Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES / GB | [N/P] |
| Former [1998/32] | Skone James, Robert Edmund, et al GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH / GB | ||
| Former [1994/42] | Hill, Cecilia Ann, et al Rank Xerox Ltd Patent Department Parkway Marlow Buckinghamshire SL7 1YL / GB | Application number, filing date | 94302467.9 | 07.04.1994 | [1994/42] | Priority number, date | US19930044792 | 12.04.1993 Original published format: US 44792 | [1994/42] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0620527 | Date: | 19.10.1994 | Language: | EN | [1994/42] | Type: | A3 Search report | No.: | EP0620527 | Date: | 28.02.1996 | [1996/09] | Type: | B1 Patent specification | No.: | EP0620527 | Date: | 05.07.2000 | Language: | EN | [2000/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 15.01.1996 | Classification | IPC: | G06F17/24 | [1999/37] | CPC: |
G06F40/226 (EP,US);
G06F40/117 (EP,US);
G06F40/143 (EP,US);
G06F40/166 (EP,US)
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| Former IPC [1994/42] | G06F15/20 | Designated contracting states | DE, FR, GB [1994/42] | Title | German: | Verfahren und Vorrichtung zur Validierung beschrifteter, geordneter Parse-Bäume gemäss einer kontextfreien Grammatikspezifikation | [2000/27] | English: | A method and apparatus for validating labelled, ordered parse trees according to a context-free grammar specification | [1994/42] | French: | Procédé et dispositif pour la validation d'arbres d'analyse syntactique ordonnés avec étiquettes, suivant une spécification de grammaire non-contextuelle | [2000/05] |
| Former [1994/42] | Verfahren und Vorrichtung zur Prüfung beschrifteter, geordneter Parse-Diagramme nach Inhalt unabhängigen Grammatikregeln | ||
| Former [1994/42] | Procédé et dispositif pour la validation d'arbres d'analyse syntactique ordonnées avec étiquettes, suivant une spécification de grammaire non limitée par le contexte | Examination procedure | 28.08.1996 | Examination requested [1996/44] | 22.12.1998 | Despatch of a communication from the examining division (Time limit: M07) | 16.07.1999 | Reply to a communication from the examining division | 17.08.1999 | Despatch of communication of intention to grant (Approval: No) | 30.11.1999 | Despatch of communication of intention to grant (Approval: later approval) | 17.12.1999 | Communication of intention to grant the patent | 27.03.2000 | Fee for grant paid | 27.03.2000 | Fee for publishing/printing paid | Opposition(s) | 06.04.2001 | No opposition filed within time limit [2001/25] | Fees paid | Renewal fee | 02.05.1996 | Renewal fee patent year 03 | 02.05.1997 | Renewal fee patent year 04 | 04.05.1998 | Renewal fee patent year 05 | 03.05.1999 | Renewal fee patent year 06 | 02.05.2000 | 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 | [A] "WEIGHTED DOCUMENT TREE", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 35, no. 1B, 1 June 1992 (1992-06-01), pages 1 - 3, XP000308950 [A] 1,12 * the whole document * | [A] FRASER C W: "Syntax-directed editing of general data structures", PROCEEDINGS OF THE ACM SIGPLAN SIGOA SYMPOSIUM ON TEXT MANIPULATION, PORTLAND, OR, USA, 8-10 JUNE 1981, vol. 16, no. 6, ISSN 0362-1340, SIGPLAN NOTICES, JUNE 1981, USA, XP008058766, DOI: doi:10.1145/872730.806449 [A] 1,12 * page 18, column R, lines 19-37 * DOI: http://dx.doi.org/10.1145/872730.806449 |