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EP0903597
European procedure
Extract from the Register of European Patents
EP About this file: EP0903597
| EP0903597 - Writing bragg reflection gratings in optical waveguides [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.09.2003 Database last updated on 07.03.2026 | Most recent event Tooltip | 07.03.2008 | Lapse of the patent in a contracting state | published on 09.04.2008 [2008/15] | Applicant(s) | For all designated states Nortel Networks Limited 2351 Boulevard Alfred-Nobel St. Laurent, QC H4S 2A9 / CA | [N/P] |
| Former [2003/41] | For all designated states Nortel Networks Limited 2351 Boulevard Alfred-Nobel St. Laurent, Quebec H4S 2A9 / CA | ||
| Former [2002/46] | For all designated states Nortel Networks Limited World Trade Center of Montreal, 380 St. Antoine Street West, 8th floor Montreal, Quebec H2Y 3Y4 / CA | ||
| Former [2000/39] | For all designated states Nortel Networks Limited World Trade Center of Montreal, 380 St. Antoine Street West, 8th floor Montreal, Quebec H2Y 3Y4 / CA | ||
| Former [1999/28] | For all designated states NORTEL NETWORKS CORPORATION World Trade Center of Montreal 380 St. Antoine Street West 8th Floor Montreal, Quebec H2Y 3Y4 / CA | ||
| Former [1999/12] | For all designated states NORTHERN TELECOM LIMITED World Trade Center of Montreal, 380 St. Antoine Street West, 8th Floor Montreal, Quebec H2Y 3Y4 / CA | Inventor(s) | 01 /
Byron, Kevin Christopher 24 Elm Grove Bishop's Stortford, Herts, CM23 5JB / GB | [1999/12] | Representative(s) | Anderson, Angela Mary, et al Nortel Networks IP Law Group Harlow Laboratories London Road, Harlow Essex CM17 9NA / GB | [N/P] |
| Former [2003/16] | Anderson, Angela, et al Nortel Networks IP Law Group, Harlow Laboratories, London Road Harlow, Essex CM17 9NA / GB | ||
| Former [2001/12] | Bewley, Ewan Stuart, et al Nortel Networks, IP Law Group, London Road Harlow, Essex CM17 9NA / GB | ||
| Former [1999/12] | Laurence, Simon French, et al Nortel Patents, London Road Harlow, Essex CM17 9NA / GB | Application number, filing date | 98307083.0 | 03.09.1998 | [1999/12] | Priority number, date | GB19970020135 | 22.09.1997 Original published format: GB 9720135 | [1999/12] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0903597 | Date: | 24.03.1999 | Language: | EN | [1999/12] | Type: | A3 Search report | No.: | EP0903597 | Date: | 10.05.2000 | [2000/19] | Type: | B1 Patent specification | No.: | EP0903597 | Date: | 13.11.2002 | Language: | EN | [2002/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.03.2000 | Classification | IPC: | G02B6/16, G02B6/34 | [2000/19] | CPC: |
G03F7/70066 (EP,US);
G02B6/02138 (EP,US);
G02B6/02152 (EP,US)
|
| Former IPC [1999/12] | G02B6/16 | Designated contracting states | DE, FR, GB, IT [2001/03] |
| Former [1999/12] | AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Verfahren zum Schreiben von Bragg-Reflexionsgittern in Lichtwellenleitern | [1999/12] | English: | Writing bragg reflection gratings in optical waveguides | [1999/12] | French: | Procédé d'inscription de réseaux de Bragg à réflexion dans guides optiques | [1999/12] | Examination procedure | 10.11.2000 | Examination requested [2001/01] | 15.02.2001 | Despatch of a communication from the examining division (Time limit: M04) | 05.04.2001 | Reply to a communication from the examining division | 12.02.2002 | Despatch of communication of intention to grant (Approval: Yes) | 29.05.2002 | Communication of intention to grant the patent | 09.09.2002 | Fee for grant paid | 09.09.2002 | Fee for publishing/printing paid | Opposition(s) | 14.08.2003 | No opposition filed within time limit [2003/45] | Fees paid | Renewal fee | 11.08.2000 | Renewal fee patent year 03 | 20.08.2001 | Renewal fee patent year 04 | 20.08.2002 | Renewal fee patent year 05 |
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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 | IT | 13.11.2002 | [2008/15] | Documents cited: | Search | [AD] ARMITAGE J R: "FIBRE BRAGG REFLECTORS WRITTEN AT 262 NM USING A FREQUENCY QUADRUPLED DIODE-PUMPED ND3+: YLF LASER", ELECTRONICS LETTERS,GB,IEE STEVENAGE, vol. 29, no. 13, 24 June 1993 (1993-06-24), pages 1181 - 1183, XP000378395, ISSN: 0013-5194 [AD] 1-4 * the whole document * | [A] DYER P E ET AL: "ANALYSIS AND APPLICATION OF A 0/1 ORDER TALBOT INTERFEROMETER FOR 193 NM LASER GRATING FORMATION", OPTICS COMMUNICATIONS,NL,NORTH-HOLLAND PUBLISHING CO. AMSTERDAM, vol. 129, no. 1/02, 1 August 1996 (1996-08-01), pages 98 - 108, XP000594844, ISSN: 0030-4018 [A] 1-4 * page 98 - page 99; figure 1 * DOI: http://dx.doi.org/10.1016/0030-4018(96)00107-1 |