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Extract from the Register of European Patents

EP About this file: EP1989835

EP1989835 - A TECHNIQUE FOR EFFICIENTLY AND DYNAMICALLY MAINTAINING BIDIRECTIONAL FORWARDING DETECTION ON A BUNDLE OF LINKS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.11.2014
Database last updated on 12.11.2024
Most recent event   Tooltip15.07.2016Lapse of the patent in a contracting state
New state(s): LU, TR		published on 17.08.2016  [2016/33]
Applicant(s)For all designated states
Cisco Technology, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706 / US
[2008/46]
Inventor(s)01 / RAHMAN, Reshad, A.
59 Gentle Gate Cr.
Ottawa, Ontario, K1T 1Z9 / CA
02 / TOSCANO, David, P.
12 Oakbriar Crescent
Ottawa, Ontario K2J 5E9 / CA
03 / MASSE, Sylvain
73 Lynn Street
Gatineau, Quebec J9H 1B5 / CA
04 / WARD, David, D.
32460 Loma Chiquita Rd
Los Gatos, CA 95033 / US
05 / KETLEY, Neil, R.
2 Roseness
19 Salisbury Avenue, Harpenden
Hertfordshire, AI5 2QF / GB
 [2014/01]
Former [2008/46]01 / RAHMAN, Reshad, A.
59 Gentle Gate Cr.
Ottawa, Ontario, K1T 1Z9 / CA
02 / TOSCANO, David, P.
12 Oakbriar Crescent
Ottawa, Ontario K2J 5E9 / CA
03 / MASSE, Sylvain
73 Lynn Street
Gatineau, Quebec J9H 1B5 / CA
04 / WARD, David, D.
32460 Loma Chiquita Rd
Los Gatos, CA 95033 / US
05 / KETLEY, Neil, R.
2 Roseness 19 Salisbury Avenue, Harpenden
Hertfordshire, AI5 2QF / GB
Representative(s)Kazi, Ilya
Mathys & Squire The Shard
32 London Bridge Street
London SE1 9SG / GB
[N/P]
Former [2014/01]Kazi, Ilya
Mathys & Squire LLP 120 Holborn
London EC1N 2SQ / GB
Former [2008/46]Kazi, Ilya
Mathys & Squire LLP 120 Holborn London
EC1N 2SQ / GB
Application number, filing date07749977.006.02.2007
[2008/46]
WO2007US03075
Priority number, dateUS2006036673202.03.2006         Original published format: US 366732
[2008/46]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO2007106258
Date:20.09.2007
Language:EN
[2007/38]
Type: A2 Application without search report 
No.:EP1989835
Date:12.11.2008
Language:EN
The application published by WIPO in one of the EPO official languages on 20.09.2007 takes the place of the publication of the European patent application.
[2008/46]
Type: B1 Patent specification 
No.:EP1989835
Date:01.01.2014
Language:EN
[2014/01]
Search report(s)International search report - published on:US03.01.2008
(Supplementary) European search report - dispatched on:EP15.03.2011
ClassificationIPC:H04L12/707, H04L12/703, H04L12/771, H04L12/705
[2013/32]
CPC:
H04L43/10 (US); H04L45/00 (EP,US); H04L45/22 (US);
H04L45/24 (EP,US); H04L45/245 (EP,US); H04L45/247 (EP);
H04L45/28 (EP,US); H04L45/58 (EP,US); H04L45/60 (EP,US);
H04L41/0663 (US); H04Q2011/0081 (US); H04Q2213/13162 (US);
Y02D30/50 (EP,US) (-)
Former IPC [2011/15]H04L12/56
Former IPC [2008/46]H04L12/28
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2008/46]
Extension statesALNot yet paid
BANot yet paid
HRNot yet paid
MKNot yet paid
RSNot yet paid
TitleGerman:TECHNIK ZUR EFFIZIENTEN UND DYNAMISCHEN AUFRECHTERHALTUNG DER BIDIREKTIONALEN WEITERLEITUNGSERFASSUNG AN EINEM BÜNDEL VON VERKNÜPFUNGEN[2008/46]
English:A TECHNIQUE FOR EFFICIENTLY AND DYNAMICALLY MAINTAINING BIDIRECTIONAL FORWARDING DETECTION ON A BUNDLE OF LINKS[2008/46]
French:PROCÉDÉ PERMETTANT DE CONSERVER DE MANIÈRE EFFICACE ET DYNAMIQUE UNE DETECTION D'ÉMISSION BIDIRECTIONELLE SUR UN FAISCEAU DE LIAISONS[2008/46]
Entry into regional phase25.08.2008National basic fee paid 
25.08.2008Search fee paid 
25.08.2008Designation fee(s) paid 
25.08.2008Examination fee paid 
Examination procedure25.08.2008Examination requested  [2008/46]
30.09.2011Amendment by applicant (claims and/or description)
08.11.2011Despatch of a communication from the examining division (Time limit: M04)
09.03.2012Reply to a communication from the examining division
02.08.2013Communication of intention to grant the patent
22.11.2013Fee for grant paid
22.11.2013Fee for publishing/printing paid
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  08.11.2011
Opposition(s)02.10.2014No opposition filed within time limit [2014/50]
Fees paidRenewal fee
09.02.2009Renewal fee patent year 03
08.02.2010Renewal fee patent year 04
23.02.2011Renewal fee patent year 05
24.02.2012Renewal fee patent year 06
27.02.2013Renewal fee patent year 07
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  TooltipHU06.02.2007
AT01.01.2014
BE01.01.2014
BG01.01.2014
CY01.01.2014
CZ01.01.2014
DK01.01.2014
EE01.01.2014
ES01.01.2014
FI01.01.2014
IT01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
PL01.01.2014
RO01.01.2014
SE01.01.2014
SI01.01.2014
SK01.01.2014
TR01.01.2014
IE06.02.2014
LU06.02.2014
GR02.04.2014
IS01.05.2014
PT02.05.2014
[2016/33]
Former [2016/32]HU06.02.2007
AT01.01.2014
BE01.01.2014
BG01.01.2014
CY01.01.2014
CZ01.01.2014
DK01.01.2014
EE01.01.2014
ES01.01.2014
FI01.01.2014
IT01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
PL01.01.2014
RO01.01.2014
SE01.01.2014
SI01.01.2014
SK01.01.2014
IE06.02.2014
GR02.04.2014
IS01.05.2014
PT02.05.2014
Former [2016/29]AT01.01.2014
BE01.01.2014
BG01.01.2014
CY01.01.2014
CZ01.01.2014
DK01.01.2014
EE01.01.2014
ES01.01.2014
FI01.01.2014
IT01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
PL01.01.2014
RO01.01.2014
SE01.01.2014
SI01.01.2014
SK01.01.2014
IE06.02.2014
GR02.04.2014
IS01.05.2014
PT02.05.2014
Former [2016/28]AT01.01.2014
BE01.01.2014
BG01.01.2014
CY01.01.2014
CZ01.01.2014
DK01.01.2014
EE01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
PL01.01.2014
RO01.01.2014
SE01.01.2014
SI01.01.2014
SK01.01.2014
IE06.02.2014
GR02.04.2014
IS01.05.2014
PT02.05.2014
Former [2016/25]AT01.01.2014
BE01.01.2014
BG01.01.2014
CY01.01.2014
CZ01.01.2014
DK01.01.2014
EE01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
PL01.01.2014
RO01.01.2014
SE01.01.2014
SI01.01.2014
SK01.01.2014
IE06.02.2014
IS01.05.2014
PT02.05.2014
Former [2015/24]AT01.01.2014
BE01.01.2014
CY01.01.2014
CZ01.01.2014
DK01.01.2014
EE01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
PL01.01.2014
RO01.01.2014
SE01.01.2014
SI01.01.2014
SK01.01.2014
IE06.02.2014
IS01.05.2014
PT02.05.2014
Former [2015/07]AT01.01.2014
BE01.01.2014
CY01.01.2014
CZ01.01.2014
DK01.01.2014
EE01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
PL01.01.2014
RO01.01.2014
SE01.01.2014
SK01.01.2014
IE06.02.2014
IS01.05.2014
PT02.05.2014
Former [2014/50]AT01.01.2014
BE01.01.2014
CY01.01.2014
CZ01.01.2014
DK01.01.2014
EE01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
PL01.01.2014
RO01.01.2014
SE01.01.2014
SK01.01.2014
IS01.05.2014
PT02.05.2014
Former [2014/49]AT01.01.2014
BE01.01.2014
CY01.01.2014
CZ01.01.2014
DK01.01.2014
EE01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
RO01.01.2014
SE01.01.2014
IS01.05.2014
PT02.05.2014
Former [2014/48]AT01.01.2014
BE01.01.2014
CY01.01.2014
CZ01.01.2014
DK01.01.2014
EE01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
SE01.01.2014
IS01.05.2014
PT02.05.2014
Former [2014/46]AT01.01.2014
BE01.01.2014
CY01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
LV01.01.2014
MC01.01.2014
NL01.01.2014
SE01.01.2014
IS01.05.2014
PT02.05.2014
Former [2014/41]AT01.01.2014
BE01.01.2014
CY01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
LV01.01.2014
NL01.01.2014
SE01.01.2014
IS01.05.2014
PT02.05.2014
Former [2014/39]AT01.01.2014
CY01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
NL01.01.2014
SE01.01.2014
IS01.05.2014
PT02.05.2014
Former [2014/37]AT01.01.2014
CY01.01.2014
ES01.01.2014
FI01.01.2014
LT01.01.2014
SE01.01.2014
IS01.05.2014
PT02.05.2014
Former [2014/36]LT01.01.2014
IS01.05.2014
Documents cited:Search[Y]US2005083928  (SIVABALAN MUTHURAJAH [CA], et al) [Y] 1-19 * abstract * * figures 1-4 * * paragraph [0030] - paragraph [0043] * * paragraph [0052] - paragraph [0053] *;
 [Y]  - KATZ JUNIPER NETWORKS D WARD CISCO SYSTEMS D, "Bidirectional Forwarding Detection; draft-ietf-bfd-base-04.txt", IETF STANDARD-WORKING-DRAFT, INTERNET ENGINEERING TASK FORCE, IETF, CH, (20051001), vol. bfd, no. 4, ISSN 0000-0004, XP015042305 [Y] 1-19 * Abstract Chapters 2, 3, 6.1-6.5 *
 [A]  - KATZ JUNIPER NETWORKS D WARD CISCO SYSTEMS D, "Generic Application of BFD; draft-ietf-bfd-generic-01.txt", IETF STANDARD-WORKING-DRAFT, INTERNET ENGINEERING TASK FORCE, IETF, CH, (20051001), vol. bfd, no. 1, ISSN 0000-0004, XP015042306 [A] 1-19 * the whole document *
International search[A]US6678241  (GAI SILVANO [IT], et al);
 [X]US6963575  (SISTANIZADEH KAMRAN [US], et al)
by applicantUS2005083928
    - D. KATZ ET AL., "Bidirectional Forwarding Detection; draft-ietf-bfd-base-04,txt", STANDARD WORKING DRAFT OF THE INTERNET ENGINEERING TASK FORCE
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.