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Extract from the Register of European Patents

EP About this file: EP2467955

EP2467955 - IN-BAND OPTICAL NOISE MEASUREMENT USING DIFFERENTIAL POLARIZATION RESPONSE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.11.2019
Database last updated on 13.07.2024
FormerThe patent has been granted
Status updated on  14.12.2018
FormerGrant of patent is intended
Status updated on  16.08.2018
Most recent event   Tooltip01.07.2022Lapse of the patent in a contracting state
New state(s): MK		published on 03.08.2022  [2022/31]
Applicant(s)For all designated states
EXFO Inc.
400 Avenue Godin
Québec, QC G1M 2K2 / CA
[2018/51]
Former [2012/26]For all designated states
Exfo Inc.
400 Avenue Godin
Québec, Québec G1M 2K2 / CA
Inventor(s)01 / HE, Gang
1184 rue Jean-Carignan
Québec Québec G1X 4V4 / CA
02 / CYR, Normand
apt. 410
1017 avenue Duchesneau
Québec Québec G1W 4B3 / CA
 [2012/26]
Representative(s)Dupuis-Latour, Dominique, et al
Bardehle Pagenberg SPE SAS
SO Square Opéra
5, rue Boudreau
75009 Paris / FR
[N/P]
Former [2019/03]Dupuis-Latour, Dominique, et al
Bardehle Pagenberg
SO Square Opéra
5,rue Boudreau
75009 Paris / FR
Former [2012/26]Dupuis-Latour, Dominique, et al
Bardehle Pagenberg
10, boulevard Haussmann
75009 Paris / FR
Application number, filing date10809409.519.08.2010
[2019/03]
WO2010CA01285
Priority number, dateUS20090235169P19.08.2009         Original published format: US 235169 P
[2012/26]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2011020195
Date:24.02.2011
Language:EN
[2011/08]
Type: A1 Application with search report 
No.:EP2467955
Date:27.06.2012
Language:EN
The application published by WIPO in one of the EPO official languages on 24.02.2011 takes the place of the publication of the European patent application.
[2012/26]
Type: B1 Patent specification 
No.:EP2467955
Date:16.01.2019
Language:EN
[2019/03]
Search report(s)International search report - published on:CA24.02.2011
(Supplementary) European search report - dispatched on:EP05.04.2017
ClassificationIPC:H04B10/07
[2017/18]
CPC:
H04B10/07953 (EP,US)
Former IPC [2012/26]H04B10/08
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   SE,   SI,   SK,   SM,   TR [2012/26]
Extension statesBANot yet paid
MENot yet paid
RSNot yet paid
TitleGerman:BANDINTERNE OPTISCHE RAUSCHMESSUNG MITHILFE VERSCHIEDENER POLARISATIONSREAKTIONEN[2012/26]
English:IN-BAND OPTICAL NOISE MEASUREMENT USING DIFFERENTIAL POLARIZATION RESPONSE[2012/26]
French:MESURE DE BRUIT OPTIQUE DANS LA BANDE À L'AIDE D'UNE RÉPONSE DE POLARISATION DIFFÉRENTIELLE[2012/26]
Entry into regional phase26.01.2012National basic fee paid 
26.01.2012Search fee paid 
26.01.2012Designation fee(s) paid 
26.01.2012Examination fee paid 
Examination procedure26.01.2012Examination requested  [2012/26]
24.10.2017Amendment by applicant (claims and/or description)
17.08.2018Communication of intention to grant the patent
04.12.2018Fee for grant paid
04.12.2018Fee for publishing/printing paid
04.12.2018Receipt of the translation of the claim(s)
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  17.08.2018
Opposition(s)17.10.2019No opposition filed within time limit [2019/52]
Fees paidRenewal fee
31.08.2012Renewal fee patent year 03
23.08.2013Renewal fee patent year 04
25.08.2014Renewal fee patent year 05
20.08.2015Renewal fee patent year 06
22.08.2016Renewal fee patent year 07
10.08.2017Renewal fee patent year 08
10.08.2018Renewal fee patent year 09
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  TooltipHU19.08.2010
AL16.01.2019
AT16.01.2019
CY16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
MC16.01.2019
MK16.01.2019
MT16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SI16.01.2019
SK16.01.2019
SM16.01.2019
TR16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
IE19.08.2019
LU19.08.2019
BE31.08.2019
CH31.08.2019
LI31.08.2019
[2022/31]
Former [2021/34]HU19.08.2010
AL16.01.2019
AT16.01.2019
CY16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
MC16.01.2019
MT16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SI16.01.2019
SK16.01.2019
SM16.01.2019
TR16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
IE19.08.2019
LU19.08.2019
BE31.08.2019
CH31.08.2019
LI31.08.2019
Former [2021/32]HU19.08.2010
AL16.01.2019
AT16.01.2019
CY16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
MC16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SI16.01.2019
SK16.01.2019
SM16.01.2019
TR16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
IE19.08.2019
LU19.08.2019
BE31.08.2019
CH31.08.2019
LI31.08.2019
Former [2021/26]AL16.01.2019
AT16.01.2019
CY16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
MC16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SI16.01.2019
SK16.01.2019
SM16.01.2019
TR16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
IE19.08.2019
LU19.08.2019
BE31.08.2019
CH31.08.2019
LI31.08.2019
Former [2020/38]AL16.01.2019
AT16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
MC16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SI16.01.2019
SK16.01.2019
SM16.01.2019
TR16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
IE19.08.2019
LU19.08.2019
BE31.08.2019
CH31.08.2019
LI31.08.2019
Former [2020/36]AL16.01.2019
AT16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
MC16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SI16.01.2019
SK16.01.2019
SM16.01.2019
TR16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
IE19.08.2019
LU19.08.2019
CH31.08.2019
LI31.08.2019
Former [2020/25]AL16.01.2019
AT16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
MC16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SI16.01.2019
SK16.01.2019
SM16.01.2019
TR16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
LU19.08.2019
CH31.08.2019
LI31.08.2019
Former [2020/17]AL16.01.2019
AT16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SI16.01.2019
SK16.01.2019
SM16.01.2019
TR16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
Former [2020/13]AL16.01.2019
AT16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SI16.01.2019
SK16.01.2019
SM16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
Former [2019/52]AL16.01.2019
AT16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SK16.01.2019
SM16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
Former [2019/49]AL16.01.2019
AT16.01.2019
CZ16.01.2019
DK16.01.2019
EE16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
NL16.01.2019
PL16.01.2019
RO16.01.2019
SE16.01.2019
SK16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
Former [2019/48]AT16.01.2019
DK16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
NL16.01.2019
PL16.01.2019
SE16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
Former [2019/46]AT16.01.2019
ES16.01.2019
FI16.01.2019
HR16.01.2019
IT16.01.2019
LT16.01.2019
LV16.01.2019
NL16.01.2019
PL16.01.2019
SE16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
Former [2019/39]ES16.01.2019
FI16.01.2019
HR16.01.2019
LT16.01.2019
LV16.01.2019
NL16.01.2019
PL16.01.2019
SE16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
IS16.05.2019
PT16.05.2019
Former [2019/38]ES16.01.2019
FI16.01.2019
LT16.01.2019
NL16.01.2019
PL16.01.2019
SE16.01.2019
BG16.04.2019
NO16.04.2019
GR17.04.2019
PT16.05.2019
Former [2019/37]ES16.01.2019
FI16.01.2019
LT16.01.2019
NL16.01.2019
PL16.01.2019
SE16.01.2019
NO16.04.2019
GR17.04.2019
PT16.05.2019
Former [2019/35]ES16.01.2019
FI16.01.2019
LT16.01.2019
NL16.01.2019
PL16.01.2019
SE16.01.2019
NO16.04.2019
PT16.05.2019
Former [2019/34]FI16.01.2019
LT16.01.2019
NL16.01.2019
SE16.01.2019
NO16.04.2019
PT16.05.2019
Former [2019/33]FI16.01.2019
LT16.01.2019
NL16.01.2019
NO16.04.2019
PT16.05.2019
Former [2019/30]NL16.01.2019
Documents cited:Search   [ ] - No further relevant documents disclosed
International search[A]US2006051087  (MARTIN JURGEN [DE], et al);
 [A]US7106443  (WEIN STEVEN J [US], et al);
 [A]US7149407  (DOERR CHRISTOPHER [US], et al);
 [A]US7149428  (CHUNG YUN CHUR [KR], et al);
 [A]US2008124076  (RUDOLPH GEORG [DE], et al);
 [A]US2008205886  (ANDERSON TREVOR [AU], et al);
 [X]WO2008122123  (EXFO ELECTRO OPTICAL ENG INC [CA], et al);
 [A]WO2009062237  (NAT ICT AUSTRALIA LTD [AU], et al);
 [A]  - HE, G. ET AL., "Measuring the In-Band Signal-to-Noise Ratio Within Narrow Optical Channels", TECHNICAL NOTE 038, (200904), URL: http://documents.exfo.com/appnotes/inote038-ang.pdf, XP008150130
 [A]  - GARIEPY, D. ET AL., "Measuring OSNR in WDM Systems-Effects of Resolution Bandwidth and Optical Rejection Ratio", APPLICATION NOTE 098, (200904), URL: http://documents.eafo.com/appnotes/anote098-ang.pdf, XP008150132
 [A]  - MOENCH, W. ET AL., "Measuring the Optical Signal-to-Noise Ratio in Agile Optical Networks", OPTICAL FIBER COMMUNICATION AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE, OFC/NFOEC 2007, ANAHEIM, CA, (20070325), XP031146496
 [A]  - TIAN, X. ET AL., "Precise In-Band OSNR and Spectrum Monitoring Using High-Resolution Swept Coherent Detection", IEEE PHOTONICS TECHNOLOGY LETTERS, (20060101), vol. 18, no. 1, pages 145 - 147, XP008150133

DOI:   http://dx.doi.org/10.1109/LPT.2005.859185
 [A]  - SKOLD, M. ET AL., "PMD-Insensitive DOP-based OSNR Monitoring by Spectral SOP Measurements", TECHNICAL DIGEST OF OPTICAL FIBER COMMUNICATION CONFERENCE OFC/NFOEC 2005, (20050306), vol. 4, pages 6 - 11, XP010831884
 [A]  - PETERSSON, M. ET AL., "Multi-Channel OSNR Monitoring for WDM Networks", 28TH EUROPEAN CONFERENCE ON OPTICAL COMMUNICATION ECOC 2002, COPENHAGEN, (20020908), XP001158311
 [A]  - BAKAUL, M., "Low-Cost PMD-Insensitive and Dispersion Tolerant In-Band OSNR Monitor Based on Uncorrelated Beat Noise Measurement", IEEE PHOTONICS TECHNOLOGY LETTERS, (20080601), vol. 20, no. 11, pages 906 - 908, XP011214464
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.