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EP0878721
European procedure
Extract from the Register of European Patents
EP About this file: EP0878721
| EP0878721 - Creation of Bragg reflective gratings in optical fibres [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 07.03.2003 Database last updated on 03.09.2024 | Most recent event Tooltip | 07.03.2003 | No opposition filed within time limit | published on 23.04.2003 [2003/17] | Applicant(s) | For all designated states Nortel Networks Limited World Trade Center of Montreal, 380 St. Antoine Street West, 8th floor Montreal Quebec H2Y 3Y4 / CA | [N/P] |
| Former [2002/18] | 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 [1998/47] | 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 /
Rourke, Howard Neil 49 Aynsley Gardens,Church Langley Harlow, Essex CM19 9PB / GB | [1998/47] | 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 [1998/47] | Laurence, Simon French, et al Nortel Patents, London Road Harlow, Essex CM17 9NA / GB | Application number, filing date | 98302307.8 | 26.03.1998 | [1998/47] | Priority number, date | US19970856959 | 15.05.1997 Original published format: US 856959 | [1998/47] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0878721 | Date: | 18.11.1998 | Language: | EN | [1998/47] | Type: | B1 Patent specification | No.: | EP0878721 | Date: | 02.05.2002 | Language: | EN | [2002/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.08.1998 | Classification | IPC: | G02B6/16 | [1998/47] | CPC: |
G02B6/124 (EP,US);
G02B6/02095 (EP,US);
G02B6/02138 (EP,US);
G02B6/02152 (EP,US)
| Designated contracting states | DE, FR, GB, NL [1999/30] |
| Former [1998/47] | AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE | Title | German: | Herstellung von Bragg-Reflexionsgittern in optischen Fasern | [1998/47] | English: | Creation of Bragg reflective gratings in optical fibres | [1998/47] | French: | Fabrication des réseaux de Bragg réfléchissants dans des fibres optiques | [1998/47] | Examination procedure | 18.05.1999 | Examination requested [1999/28] | 28.06.2001 | Despatch of communication of intention to grant (Approval: Yes) | 31.10.2001 | Communication of intention to grant the patent | 11.02.2002 | Fee for grant paid | 11.02.2002 | Fee for publishing/printing paid | Opposition(s) | 04.02.2003 | No opposition filed within time limit [2003/17] | Fees paid | Renewal fee | 18.02.2000 | Renewal fee patent year 03 | 16.02.2001 | Renewal fee patent year 04 | 14.02.2002 | 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 | NL | 02.05.2002 | [2003/09] | Documents cited: | Search | [PA]DE19605062 (UNIV DRESDEN TECH [DE]) [PA] 1-4* column 2, line 41 - line 68; figures 3-6 *; | [AD] - KOMUKAI T ET AL, "FABRICATION OF HIGH-QUALITY LONG-FIBER BRAGG GRATING BY MONITORING 3.1-EV RADIATION (400NM) FROM GEO DEFECTS", IEEE PHOTONICS TECHNOLOGY LETTERS, (199611), vol. 8, no. 11, pages 1495 - 1497, XP000632637 [AD] 1,3,4 * page 1495 * DOI: http://dx.doi.org/10.1109/68.541561 | [A] - ALBERT J ET AL, "MINIMIZATION OF PHASE ERROR IN LONG FIBER BRAGG GRATING PHASE MASKSMADE USING ELECTRON BEAM LITHOGRAPHY", IEEE PHOTONICS TECHNOLOGY LETTERS, (199610), vol. 8, no. 10, pages 1334 - 1336, XP000628950 [A] 1,3,4 * page 1335 - page 1336 * DOI: http://dx.doi.org/10.1109/68.536646 |