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Extract from the Register of European Patents

EP About this file: EP2795260

EP2795260 - FIBER SENSING SYSTEM BASED ON A BRAGG GRATING AND OPTICAL TIME DOMAIN REFLECTOMETRY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.01.2018
Database last updated on 19.10.2024
FormerThe patent has been granted
Status updated on  03.02.2017
FormerGrant of patent is intended
Status updated on  13.01.2017
Most recent event   Tooltip17.07.2020Lapse of the patent in a contracting state
New state(s): AL		published on 19.08.2020  [2020/34]
Applicant(s)For all designated states
École Polytechnique Fédérale de Lausanne (EPFL)
EPFL-TTO
EPFL Innovation Park J
1015 Lausanne / CH
[N/P]
Former [2015/03]For all designated states
Ecole Polytechnique Fédérale de Lausanne (EPFL)
EPFL-TTO
EPFL Innovation Park J
1015 Lausanne / CH
Former [2014/44]For all designated states
Ecole Polytechnique Fédérale de Lausanne (EPFL)
EPFL-TTO
Quartier de l'innovation
Bâtiment J
1015 Lausanne / CH
Inventor(s)01 / CHIN, Sang Hoon
Route Neuve 89
CH-1024 Ecublens / CH
02 / THEVENAZ, Luc
Chemin du Champ de la Côte 19
CH-1421 Grandevent / CH
 [2014/44]
Representative(s)Grosfillier, Philippe
André Roland SA
IP Attorneys & Services
Avenue Collonges 21
1004 Lausanne / CH
[N/P]
Former [2017/10]Grosfillier, Philippe
ANDRE ROLAND S.A.
P.O. Box 5107
1002 Lausanne / CH
Former [2014/44]Grosfillier, Philippe
ANDRE ROLAND SA
P.O. Box 5107
1002 Lausanne / CH
Application number, filing date12823257.619.12.2012
[2017/10]
WO2012IB57463
Priority number, dateWO2011IB5581220.12.2011         Original published format: PCT/IB2011/055812
[2014/44]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2013093788
Date:27.06.2013
Language:EN
[2013/26]
Type: A1 Application with search report 
No.:EP2795260
Date:29.10.2014
Language:EN
The application published by WIPO in one of the EPO official languages on 27.06.2013 takes the place of the publication of the European patent application.
[2014/44]
Type: B1 Patent specification 
No.:EP2795260
Date:08.03.2017
Language:EN
[2017/10]
Search report(s)International search report - published on:EP27.06.2013
ClassificationIPC:G01D5/353
[2014/44]
CPC:
G01D5/35316 (EP,US); G01J1/0425 (US); G01K11/32 (US);
G01L1/246 (US); G01M11/3109 (US); G02B6/34 (US)
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,   RS,   SE,   SI,   SK,   SM,   TR [2014/44]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:FASERERFASSUNGSSYSTEM AUF BASIS EINES BRAGG-GITTERS UND OPTISCHE ZEITBEREICHSREFLEKTROMETRIE[2014/44]
English:FIBER SENSING SYSTEM BASED ON A BRAGG GRATING AND OPTICAL TIME DOMAIN REFLECTOMETRY[2014/44]
French:SYSTÈME DE DÉTECTION À FIBRE FONDÉ SUR UN RÉSEAU DE BRAGG ET LA RÉFLECTOMÉTRIE OPTIQUE TEMPORELLE[2014/44]
Entry into regional phase15.07.2014National basic fee paid 
15.07.2014Designation fee(s) paid 
15.07.2014Examination fee paid 
Examination procedure15.07.2014Examination requested  [2014/44]
27.01.2015Amendment by applicant (claims and/or description)
27.09.2016Communication of intention to grant the patent
11.01.2017Receipt of the translation of the claim(s)
19.01.2017Fee for grant paid
19.01.2017Fee 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  27.09.2016
Opposition(s)11.12.2017No opposition filed within time limit [2018/07]
Fees paidRenewal fee
22.12.2014Renewal fee patent year 03
22.12.2015Renewal fee patent year 04
23.12.2016Renewal 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  TooltipHU19.12.2012
AL08.03.2017
AT08.03.2017
CY08.03.2017
CZ08.03.2017
DK08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
MC08.03.2017
MK08.03.2017
NL08.03.2017
PL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SI08.03.2017
SK08.03.2017
SM08.03.2017
TR08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
PT10.07.2017
[2020/34]
Former [2020/15]HU19.12.2012
AT08.03.2017
CY08.03.2017
CZ08.03.2017
DK08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
MC08.03.2017
MK08.03.2017
NL08.03.2017
PL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SI08.03.2017
SK08.03.2017
SM08.03.2017
TR08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
PT10.07.2017
Former [2019/51]HU19.12.2012
AT08.03.2017
CY08.03.2017
CZ08.03.2017
DK08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
MC08.03.2017
MK08.03.2017
NL08.03.2017
PL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SI08.03.2017
SK08.03.2017
SM08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
PT10.07.2017
Former [2019/47]HU19.12.2012
AT08.03.2017
CY08.03.2017
CZ08.03.2017
DK08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
MC08.03.2017
NL08.03.2017
PL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SI08.03.2017
SK08.03.2017
SM08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
PT10.07.2017
Former [2019/31]HU19.12.2012
AT08.03.2017
CZ08.03.2017
DK08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
MC08.03.2017
NL08.03.2017
PL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SI08.03.2017
SK08.03.2017
SM08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
PT10.07.2017
Former [2019/30]AT08.03.2017
CZ08.03.2017
DK08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
MC08.03.2017
NL08.03.2017
PL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SI08.03.2017
SK08.03.2017
SM08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
PT10.07.2017
Former [2018/14]AT08.03.2017
CZ08.03.2017
DK08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
NL08.03.2017
PL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SI08.03.2017
SK08.03.2017
SM08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
PT10.07.2017
Former [2018/09]AT08.03.2017
CZ08.03.2017
DK08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
NL08.03.2017
PL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SK08.03.2017
SM08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
PT10.07.2017
Former [2017/51]AT08.03.2017
CZ08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
NL08.03.2017
PL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SK08.03.2017
SM08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
PT10.07.2017
Former [2017/50]AT08.03.2017
CZ08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
NL08.03.2017
PL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SK08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
Former [2017/49]AT08.03.2017
CZ08.03.2017
EE08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
IT08.03.2017
LT08.03.2017
LV08.03.2017
NL08.03.2017
RO08.03.2017
RS08.03.2017
SE08.03.2017
SK08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
IS08.07.2017
Former [2017/48]CZ08.03.2017
ES08.03.2017
FI08.03.2017
HR08.03.2017
LT08.03.2017
LV08.03.2017
NL08.03.2017
RS08.03.2017
SE08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
Former [2017/41]ES08.03.2017
FI08.03.2017
HR08.03.2017
LT08.03.2017
LV08.03.2017
NL08.03.2017
RS08.03.2017
SE08.03.2017
BG08.06.2017
NO08.06.2017
GR09.06.2017
Cited inInternational search[A]US4761073  (MELTZ GERALD [US], et al) [A] 1,3,7 * abstract * * column 1, line 57 - line 66; figure 1 * * column 2, line 30 - line 45; figure 3 *;
 [AD]US5684297  (TARDY ANDRE [FR]) [AD] 1,2,4-6 * abstract ** column 6, line 30 - column 7, line 19; figure 2 *;
 [I]US2008285909  (YOUNGE ROBERT G [US], et al) [I] 1-3,5,7 * abstract * * paragraph [0003] * * paragraph [0113]; figure 33D * * paragraph [0123]; figures 41A, 41B * * paragraph [0124]; figure 42A *
by applicantUS4996419
 US5684297
    - T. HORIGUCHI; M. TATEDA, "Optical-fiber-attenuation investigation using stimulated Brillouin scattering between a pulse and a continuous wave", OPT. LETT., (1989), vol. 14, pages 408 - 410
    - M. AHANGRANI FARAHANI; T. GOGOLLA, "Spontaneous Rman scattering in optical fibers with modulated probe light for distributed temperature Raman remote sensing", J. LIGHTWAVE TECHNOL., (1999), vol. 17, pages 1379 - 1391, XP011029474
    - T. HORIGUCHI; T. KURASHIMA; M. TATEDA, "A technique to measure distributed strain in optical fibers", PHOTON. TECHNOL. LETT., (1990), vol. 2, doi:doi:10.1109/68.54703, pages 352 - 354, XP000148021

DOI:   http://dx.doi.org/10.1109/68.54703
    - T. KURASHIMA; T. HORIGUCHI; M. TATEDA, "Distributed-temperature sensing using stimulated Brillouin scattering in optical silica fibers", OPT. LETT., (1990), vol. 15, pages 1038 - 1040, XP000142515
    - K. Y. SONG; S. CHIN; N. PRIMEROV; L. THEVENAZ, "Time-domain distributed fiber sensor with 1 cm spatial resolution based on Brillouin dynamic grating", J. LIGHTWAVE TECHNOL., (2010), vol. 28, pages 2062 - 2067, XP011310402
    - M. DURKIN; M. IBSEN; M. J. COLE; R. . LAMING, "1 m long continuously-written fiber Bragg gratings for combined second and third order dispersion compensation", ELECTRON. LETT., (1997), vol. 33, pages 1891 - 1893
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