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Extract from the Register of European Patents

EP About this file: EP0425655

EP0425655 - PASSIVE NETWORK MONITOR AND CORRESPONDING METHOD OF MONITORING [Right-click to bookmark this link]
Former [1991/19]A PASSIVE NETWORK MONITOR
[1995/02]
StatusPatent maintained as amended
Status updated on  29.10.1999
Database last updated on 02.11.2024
Most recent event   Tooltip07.12.2007Lapse of the patent in a contracting state
New state(s): ES		published on 09.01.2008  [2008/02]
Applicant(s)For all designated states
CONCORD COMMUNICATIONS, INC.
753 Forest Street
Marlboro, MA 01752 / US
[1991/19]
Inventor(s)01 / DOUGLAS, Robert, H.
13850 North Coral Gables
Phoenix, AZ 85023 / US
[1991/19]
Representative(s)Rupprecht, Kay
Meissner Bolte Patentanwälte
Rechtsanwälte Partnerschaft mbB
Postfach 86 06 24
81633 München / DE
[N/P]
Former [1999/40]Rupprecht, Kay, Dipl.-Ing.
Meissner, Bolte & Partner Postfach 86 06 24
81633 München / DE
Former [1991/19]Endlich, Fritz, Dipl.-Phys. Patentanwalt
Meissner, Bolte & Partner Postfach 86 06 24
D-81633 München / DE
Application number, filing date90908834.618.05.1990
[1991/19]
WO1990US02895
Priority number, dateUS1989035434319.05.1989         Original published format: US 354343
[1991/19]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9014725
Date:29.11.1990
Language:EN
[1990/27]
Type: A1 Application with search report 
No.:EP0425655
Date:08.05.1991
Language:EN
The application published by WIPO in one of the EPO official languages on 29.11.1990 takes the place of the publication of the European patent application.
[1991/19]
Type: B1 Patent specification 
No.:EP0425655
Date:11.01.1995
Language:EN
[1995/02]
Type: B2 New European patent specification 
No.:EP0425655
Date:15.12.1999
Language:EN
[1999/50]
Search report(s)International search report - published on:EP29.11.1990
ClassificationIPC:H04L12/26
[1991/19]
CPC:
H04L41/0695 (EP); H04L43/0817 (EP); H04L43/18 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1991/19]
TitleGerman:PASSIVER NETZWERKMONITOR UND ENTSPRECHENDES ÜBERWACHUNGSVERFAHREN[1995/02]
English:PASSIVE NETWORK MONITOR AND CORRESPONDING METHOD OF MONITORING[1995/02]
French:MONITEUR PASSIV DE RESEAU ET PROCEDE DE MONITORAGE CORRESPONDANT[1995/02]
Former [1991/19]PASSIVER NETZWERKMONITOR FÜR EIN RUNDSENDEKOMMUNIKATIONSNETZWERK
Former [1991/19]A PASSIVE NETWORK MONITOR
Former [1991/19]MONITEUR PASSIF DE RESEAU
Entry into regional phase15.02.1991National basic fee paid 
15.02.1991Designation fee(s) paid 
16.01.1991Examination fee paid 
Examination procedure16.01.1991Examination requested  [1991/19]
03.09.1993Despatch of a communication from the examining division (Time limit: M06)
09.02.1994Reply to a communication from the examining division
24.03.1994Despatch of communication of intention to grant (Approval: Yes)
11.07.1994Communication of intention to grant the patent
20.10.1994Fee for grant paid
20.10.1994Fee for publishing/printing paid
Opposition(s)Opponent(s)01  25.09.1995  11.10.1995  ADMISSIBLE
Siemens Aktiengesellschaft
Wittelsbacherplatz 2
80333 München / DE
 [N/P]
Former [1995/46]
Opponent(s)01  25.09.1995  11.10.1995  ADMISSIBLE
Siemens AG
Postfach 22 16 34
D-80506 München / DE
17.11.1995Invitation to proprietor to file observations on the notice of opposition
28.05.1996Reply of patent proprietor to notice(s) of opposition
08.01.1997Despatch of a communication from the opposition division (Time limit: M06)
27.06.1997Reply to a communication from the opposition division
10.03.1999Legal effect of interlocutory decision in opposition
10.03.1999Date of oral proceedings
25.03.1999Despatch of interlocutory decision in opposition
25.03.1999Despatch of minutes of oral proceedings
05.07.1999Despatch of communication that the patent will be maintained as amended
07.10.1999Fee for printing new specification paid
Fees paidRenewal fee
15.04.1992Renewal fee patent year 03
17.04.1993Renewal fee patent year 04
24.06.1994Renewal fee patent year 05
Penalty fee
Additional fee for renewal fee
31.05.199405   M06   Fee paid on   24.06.1994
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  TooltipAT11.01.1995
BE11.01.1995
CH11.01.1995
DK11.01.1995
ES11.01.1995
IT11.01.1995
LI11.01.1995
NL11.01.1995
SE11.04.1995
LU31.05.1995
[2002/25]
Former [2000/06]AT11.01.1995
BE11.01.1995
CH11.01.1995
DK11.01.1995
IT11.01.1995
LI11.01.1995
NL11.01.1995
SE11.04.1995
LU31.05.1995
Former [1999/42]AT11.01.1995
BE11.01.1995
CH11.01.1995
DK11.01.1995
IT11.01.1995
LI11.01.1995
NL11.01.1995
SE11.04.1995
Former [1998/15]AT11.01.1995
BE11.01.1995
CH11.01.1995
DK11.01.1995
LI11.01.1995
NL11.01.1995
SE11.04.1995
Former [1996/03]AT11.01.1995
BE11.01.1995
CH11.01.1995
LI11.01.1995
NL11.01.1995
SE11.04.1995
Former [1995/49]AT11.01.1995
BE11.01.1995
CH11.01.1995
LI11.01.1995
NL11.01.1995
Former [1995/42]AT11.01.1995
BE11.01.1995
CH11.01.1995
LI11.01.1995
Former [1995/40]AT11.01.1995
CH11.01.1995
LI11.01.1995
Former [1995/32]CH11.01.1995
LI11.01.1995
Cited inInternational searchUS4745598  [ ] (ULUG MEHMET E [US])
    [ ] - IEEE Infocom '87, The Conference on Computer Communications, Proceedings Sixth Annual Conference Global Networks - Concept to Realization, 31 March - 2 April 1987, San Francisco, California, IEEE, (New York, US), T. SAYDAM et al.: "Token Bus/Ring Local Area Network Management Concepts and Architecture", pages 988-993
    [ ] - Proceedings 11th Conference on Local Computer Networks, 6-8 October 1986, Minneapolis, Minnesota, IEEE, (New York, US), D.C. FELDMEIER: "Statistical Monitors for Local Area Networks", pages 142-146
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.