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EP0457553
European procedure
Extract from the Register of European Patents
EP About this file: EP0457553
| EP0457553 - Multifocal multizone diffractive ophthalmic lenses [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.12.1999 Database last updated on 19.03.2026 | Most recent event Tooltip | 06.08.2004 | Lapse of the patent in a contracting state New state(s): LU | published on 22.09.2004 [2004/39] | Applicant(s) | For all designated states IOLAB CORPORATION 500 Iolab Drive Claremont California 91711-4881 / US | [N/P] |
| Former [1991/47] | For all designated states IOLAB CORPORATION 500 Iolab Drive Claremont, California 91711-4881 / US | Inventor(s) | 01 /
Silberman, Donn M. 302B Marguerite Avenue Corona del Mar, CA 92625 / US | [1991/47] | Representative(s) | Fisher, Adrian John, et al Carpmaels & Ransford LLP One Southampton Row London WC1B 5HA / GB | [N/P] |
| Former [1991/47] | Fisher, Adrian John, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA / GB | Application number, filing date | 91304322.0 | 14.05.1991 | [1991/47] | Priority number, date | US19900523146 | 14.05.1990 Original published format: US 523146 | [1991/47] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0457553 | Date: | 21.11.1991 | Language: | EN | [1991/47] | Type: | A3 Search report | No.: | EP0457553 | Date: | 10.06.1992 | Language: | EN | [1992/24] | Type: | B1 Patent specification | No.: | EP0457553 | Date: | 27.01.1999 | Language: | EN | [1999/04] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.04.1992 | Classification | IPC: | G02C7/04, A61F2/16 | [1991/47] | CPC: |
G02C7/044 (EP,KR,US);
A61F2/1618 (EP,KR,US);
A61F2/1654 (EP,US);
A61F2/1656 (EP,KR,US);
G02B5/1876 (EP,KR,US);
G02B5/188 (EP,KR,US);
| Designated contracting states | BE, CH, DE, ES, FR, GB, IT, LI, LU, NL [1991/47] | Title | German: | Multifokallinsen mit Diffraktionszonen | [1991/47] | English: | Multifocal multizone diffractive ophthalmic lenses | [1991/47] | French: | Lentilles multifocales à plusieurs zones diffractives | [1991/47] | Examination procedure | 16.11.1992 | Examination requested [1993/02] | 05.05.1994 | Despatch of a communication from the examining division (Time limit: M06) | 14.11.1994 | Reply to a communication from the examining division | 10.03.1995 | Despatch of a communication from the examining division (Time limit: M04) | 11.07.1995 | Reply to a communication from the examining division | 28.12.1995 | Despatch of a communication from the examining division (Time limit: M06) | 02.07.1996 | Reply to a communication from the examining division | 20.11.1996 | Despatch of a communication from the examining division (Time limit: M06) | 20.05.1997 | Reply to a communication from the examining division | 17.03.1998 | Despatch of communication of intention to grant (Approval: Yes) | 21.07.1998 | Communication of intention to grant the patent | 21.10.1998 | Fee for grant paid | 21.10.1998 | Fee for publishing/printing paid | Opposition(s) | 28.10.1999 | No opposition filed within time limit [2000/03] | Fees paid | Renewal fee | 10.05.1993 | Renewal fee patent year 03 | 09.05.1994 | Renewal fee patent year 04 | 12.04.1995 | Renewal fee patent year 05 | 22.04.1996 | Renewal fee patent year 06 | 28.04.1997 | Renewal fee patent year 07 | 22.04.1998 | Renewal fee patent year 08 |
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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. | Lapses during opposition Tooltip | BE | 27.01.1999 | LU | 14.05.1999 | [2004/39] |
| Former [2000/23] | BE | 27.01.1999 | Documents cited: | Search | [X] NEW SCIENTIST. 10 March 1990, LONDON GB page 39; HECHT: 'Dual Vision Lenses Give a Better View' [X] |