blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

Latvia joins the Federated Register
Click here for more information on the Federated Register.

2025-04-16

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP0994585

EP0994585 - Power equalisation in a WDM optical transmission system comprising several amplifiers [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  01.10.2004
Database last updated on 26.04.2025
Most recent event   Tooltip21.03.2008Lapse of the patent in a contracting state
New state(s): PT		published on 23.04.2008  [2008/17]
Applicant(s)For all designated states
ALCATEL
54, rue la Boétie
75008 Paris / FR
[2003/48]
Former [2000/16]For all designated states
ALCATEL
54, rue La Boétie
75008 Paris / FR
Inventor(s)01 / Gautheron, Olivier
2, rue de la Sourderie
78180 Montigny le Bretonneux / FR
02 / Letellier, Vincent
144, Avenue d'Italie
75013 Paris / FR
[2000/16]
Representative(s)Lamoureux, Bernard, et al
Alcatel Lucent
Intellectual Property & Standards
54 Rue La Boétie
75008 Paris / FR
[N/P]
Former [2000/16]Lamoureux, Bernard, et al
COMPAGNIE FINANCIERE ALCATEL Dépt. Propriété industrielle 30, avenue Kléber
75116 Paris / FR
Application number, filing date99402527.814.10.1999
[2000/16]
Priority number, dateFR1998001293215.10.1998         Original published format: FR 9812932
[2000/16]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0994585
Date:19.04.2000
Language:FR
[2000/16]
Type: B1 Patent specification 
No.:EP0994585
Date:26.11.2003
Language:FR
[2003/48]
Search report(s)(Supplementary) European search report - dispatched on:EP20.01.2000
ClassificationIPC:H04B10/17, H04B10/155, H04J14/02
[2000/16]
CPC:
H04J14/0221 (EP,US); H04B10/2941 (EP); H04B10/506 (EP);
H04B10/564 (EP)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [2000/16]
TitleGerman:Leistungsausgleich in einem wellenlängenmultiplexierten optischen Übertragungssystem mit mehreren Verstärkern[2000/16]
English:Power equalisation in a WDM optical transmission system comprising several amplifiers[2000/16]
French:Egalisation de puissance dans un système de transmission a multiplexage en longueur d'onde presentant une pluralité d'amplificateurs[2000/16]
Examination procedure19.10.2000Examination requested  [2000/50]
07.02.2002Despatch of a communication from the examining division (Time limit: M04)
12.06.2002Reply to a communication from the examining division
07.10.2002Despatch of a communication from the examining division (Time limit: M06)
10.04.2003Reply to a communication from the examining division
08.05.2003Communication of intention to grant the patent
18.09.2003Fee for grant paid
18.09.2003Fee for publishing/printing paid
Opposition(s)27.08.2004No opposition filed within time limit [2004/47]
Fees paidRenewal fee
20.09.2001Renewal fee patent year 03
27.09.2002Renewal fee patent year 04
26.09.2003Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipAT26.11.2003
CY26.11.2003
FI26.11.2003
IE26.11.2003
NL26.11.2003
DK26.02.2004
GR26.02.2004
SE26.02.2004
ES09.03.2004
PT26.04.2004
[2008/17]
Former [2007/21]AT26.11.2003
CY26.11.2003
FI26.11.2003
IE26.11.2003
NL26.11.2003
DK26.02.2004
GR26.02.2004
SE26.02.2004
ES09.03.2004
Former [2004/46]AT26.11.2003
FI26.11.2003
IE26.11.2003
NL26.11.2003
DK26.02.2004
GR26.02.2004
SE26.02.2004
ES09.03.2004
Former [2004/41]AT26.11.2003
FI26.11.2003
IE26.11.2003
NL26.11.2003
DK26.02.2004
GR26.02.2004
SE26.02.2004
Former [2004/40]AT26.11.2003
FI26.11.2003
IE26.11.2003
NL26.11.2003
GR26.02.2004
SE26.02.2004
Former [2004/33]AT26.11.2003
FI26.11.2003
NL26.11.2003
GR26.02.2004
SE26.02.2004
Former [2004/31]AT26.11.2003
FI26.11.2003
SE26.02.2004
Former [2004/26]FI26.11.2003
SE26.02.2004
Former [2004/24]SE26.02.2004
Documents cited:Search[A]US5283686  (HUBER DAVID R [US]);
 [A]US5428635  (ZHIGLINSKY ANDREI G [RU], et al);
 [A]EP0744797  (ALCATEL NV [NL]);
 [A]WO9806191  (TELLIUM INC [US])
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.