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EP0581475
European procedure
Extract from the Register of European Patents
EP About this file: EP0581475
| EP0581475 - Method of forming electrodes for trench capacitors [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.08.2003 Database last updated on 24.08.2024 | Most recent event Tooltip | 29.08.2003 | No opposition filed within time limit | published on 15.10.2003 [2003/42] | 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 [2002/43] | 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 [1994/05] | 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 /
Ellul, Joseph P. 27 Burnbrook Crescent Nepean, Ontario K2H 9A6 / CA | 02 /
Boyd, John M. Box 4020 R.R. # 3 Woodlawn Ontario KOA 3MO / CA | 03 /
Rowlandson, Michael B. 70 Pamilla Street Ottawa, Ontario K2H 8B4 / CA | [1994/05] | 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 [1995/08] | Ryan, John Peter William, et al Nortel Limited Patents and Licensing West Road Harlow, Essex CM20 2SH / GB | ||
| Former [1994/05] | Ryan, John Peter William Nortel Limited Patents and Licensing West Road Harlow Essex CM20 2SH / GB | Application number, filing date | 93305443.9 | 12.07.1993 | [1994/05] | Priority number, date | CA19922074848 | 29.07.1992 Original published format: CA 2074848 | [1994/05] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0581475 | Date: | 02.02.1994 | Language: | EN | [1994/05] | Type: | B1 Patent specification | No.: | EP0581475 | Date: | 23.10.2002 | Language: | EN | [2002/43] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.09.1993 | Classification | IPC: | H01L29/94, H01L27/108, H01L21/334 | [1998/20] | CPC: |
H01L29/66181 (EP);
H01L29/945 (EP);
H10B12/37 (EP)
|
| Former IPC [1994/05] | H01L21/334, H01L29/94, H01L27/108 | Designated contracting states | DE, FR, GB, NL [1994/05] | Title | German: | Herstellungsmethode für Elektroden für Grabenkondensatoren | [1994/05] | English: | Method of forming electrodes for trench capacitors | [1994/05] | French: | Procédé de fabrication des électrodes pour des condensateurs sillonés | [1994/05] | Examination procedure | 19.10.1993 | Examination requested [1994/05] | 14.04.1998 | Despatch of a communication from the examining division (Time limit: M04) | 17.06.1998 | Reply to a communication from the examining division | 28.12.1998 | Despatch of a communication from the examining division (Time limit: M06) | 28.06.1999 | Reply to a communication from the examining division | 17.01.2000 | Despatch of a communication from the examining division (Time limit: M04) | 10.02.2000 | Reply to a communication from the examining division | 30.11.2001 | Despatch of communication of intention to grant (Approval: No) | 26.03.2002 | Despatch of communication of intention to grant (Approval: later approval) | 07.05.2002 | Communication of intention to grant the patent | 24.07.2002 | Fee for grant paid | 24.07.2002 | Fee for publishing/printing paid | Opposition(s) | 24.07.2003 | No opposition filed within time limit [2003/42] | Fees paid | Renewal fee | 30.05.1995 | Renewal fee patent year 03 | 03.06.1996 | Renewal fee patent year 04 | 02.07.1997 | Renewal fee patent year 05 | 22.06.1998 | Renewal fee patent year 06 | 23.06.1999 | Renewal fee patent year 07 | 26.06.2000 | Renewal fee patent year 08 | 19.06.2001 | Renewal fee patent year 09 | 17.06.2002 | Renewal fee patent year 10 |
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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 | 23.10.2002 | [2003/30] | Documents cited: | Search | [X]JPS63307775 ; | [A]JPS61288460 ; | [A]JPS63248158 ; | [A]JPH02198153 ; | [A]JPH01307257 ; | [A]US4728623 (LU NICKY C [US], et al); | [A]EP0325257 (FUJITSU LTD [JP]); | [A]US5064683 (POON STEPHEN S [US], et al); | [A]EP0479143 (RAMTRON CORP [US]) |