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Extract from the Register of European Patents

EP About this file: EP3899497

EP3899497 - LASER DEVICE FOR POLARIZATION INTERFEROMETRY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.06.2024
Database last updated on 25.09.2024
FormerThe patent has been granted
Status updated on  07.07.2023
FormerGrant of patent is intended
Status updated on  20.02.2023
FormerRequest for examination was made
Status updated on  24.09.2021
FormerThe international publication has been made
Status updated on  02.07.2020
Formerunknown
Status updated on  11.02.2020
Most recent event   Tooltip30.08.2024Lapse of the patent in a contracting state
New state(s): LU, MC		published on 02.10.2024 [2024/40]
Applicant(s)For all designated states
Université de Technologie de Troyes
12, rue Marie Curie
10000 Troyes / FR
For all designated states
Phaselab Instrument
2 rue Gustave Eiffel
10430 Rosières-Prés-Troyes / FR
[2021/43]
Inventor(s)01 / VAILLANT, Julien
19 rue Rouget de Lisle
10300 SAINTE-SAVINE / FR
02 / BRUYANT, Aurélien
7 rue André Massin
10120 SAINT-ANDRE-LES-VERGERS / FR
03 / WU, Tzu-Heng
N° 19, Lane 108
Section 3 Lang-Feng Road
YI-LAN CITY, 26059 / TW
 [2021/43]
Representative(s)Novagraaf Technologies
Bâtiment O2
2, rue Sarah Bernhardt
CS90017
92665 Asnières-sur-Seine Cedex / FR
[2021/43]
Application number, filing date19845705.317.12.2019
[2021/43]
WO2019FR53109
Priority number, dateFR2018007321218.12.2018         Original published format: FR 1873212
[2021/43]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report
No.:WO2020128293
Date:25.06.2020
Language:FR
[2020/26]
Type: A1 Application with search report 
No.:EP3899497
Date:27.10.2021
Language:FR
The application published by WIPO in one of the EPO official languages on 25.06.2020 takes the place of the publication of the European patent application.
[2021/43]
Type: B1 Patent specification 
No.:EP3899497
Date:09.08.2023
Language:FR
[2023/32]
Search report(s)International search report - published on:EP25.06.2020
ClassificationIPC:G01N21/21, G01N21/39, H01S5/062, H01S5/0687, H01S5/183, H01S5/00, H01S5/0683
[2023/10]
CPC:
G01N21/211 (EP,US); G01N21/554 (US); H01S5/005 (EP,US);
H01S5/06213 (EP); H01S5/06246 (EP); H01S5/06832 (EP);
G01N2021/399 (EP); G01N2201/0612 (EP,US); G01N2201/0683 (US);
H01S2301/163 (EP); H01S5/0622 (EP); H01S5/183 (EP) (-)
Former IPC [2021/43]G01N21/21, H01S5/183, H01S5/062, G01B9/02, H01S5/0687, G01N21/39, G01J3/433
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 [2021/43]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:LASERVORRICHTUNG ZUR POLARISATIONSINTERFEROMETRIE[2021/43]
English:LASER DEVICE FOR POLARIZATION INTERFEROMETRY[2021/43]
French:DISPOSITIF LASER POUR INTERFEROMETRIE A POLARISATION[2021/43]
Entry into regional phase02.07.2021National basic fee paid 
02.07.2021Designation fee(s) paid 
02.07.2021Examination fee paid 
Examination procedure02.07.2021Examination requested  [2021/43]
02.07.2021Date on which the examining division has become responsible
31.01.2022Amendment by applicant (claims and/or description)
21.02.2023Communication of intention to grant the patent
29.06.2023Fee for grant paid
29.06.2023Fee for publishing/printing paid
29.06.2023Receipt of the translation of the claim(s)
Opposition(s)13.05.2024No opposition filed within time limit [2024/29]
Fees paidRenewal fee
02.07.2021Renewal fee patent year 03
21.12.2022Renewal fee patent year 04
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  TooltipAT09.08.2023
CZ09.08.2023
DK09.08.2023
EE09.08.2023
ES09.08.2023
FI09.08.2023
HR09.08.2023
IT09.08.2023
LT09.08.2023
LV09.08.2023
MC09.08.2023
NL09.08.2023
PL09.08.2023
RO09.08.2023
RS09.08.2023
SE09.08.2023
SI09.08.2023
SK09.08.2023
SM09.08.2023
NO09.11.2023
IS09.12.2023
PT11.12.2023
LU17.12.2023
[2024/40]
Former [2024/36]AT09.08.2023
CZ09.08.2023
DK09.08.2023
EE09.08.2023
ES09.08.2023
FI09.08.2023
HR09.08.2023
IT09.08.2023
LT09.08.2023
LV09.08.2023
NL09.08.2023
PL09.08.2023
RO09.08.2023
RS09.08.2023
SE09.08.2023
SI09.08.2023
SK09.08.2023
SM09.08.2023
NO09.11.2023
IS09.12.2023
PT11.12.2023
Former [2024/26]AT09.08.2023
CZ09.08.2023
DK09.08.2023
EE09.08.2023
ES09.08.2023
FI09.08.2023
HR09.08.2023
IT09.08.2023
LT09.08.2023
LV09.08.2023
NL09.08.2023
PL09.08.2023
RO09.08.2023
RS09.08.2023
SE09.08.2023
SK09.08.2023
SM09.08.2023
NO09.11.2023
IS09.12.2023
PT11.12.2023
Former [2024/23]AT09.08.2023
CZ09.08.2023
DK09.08.2023
EE09.08.2023
ES09.08.2023
FI09.08.2023
HR09.08.2023
LT09.08.2023
LV09.08.2023
NL09.08.2023
PL09.08.2023
RO09.08.2023
RS09.08.2023
SE09.08.2023
SK09.08.2023
SM09.08.2023
NO09.11.2023
IS09.12.2023
PT11.12.2023
Former [2024/22]AT09.08.2023
CZ09.08.2023
DK09.08.2023
FI09.08.2023
HR09.08.2023
LT09.08.2023
LV09.08.2023
NL09.08.2023
PL09.08.2023
RO09.08.2023
RS09.08.2023
SE09.08.2023
SM09.08.2023
NO09.11.2023
IS09.12.2023
PT11.12.2023
Former [2024/20]AT09.08.2023
FI09.08.2023
HR09.08.2023
LT09.08.2023
LV09.08.2023
NL09.08.2023
PL09.08.2023
RS09.08.2023
SE09.08.2023
SM09.08.2023
NO09.11.2023
IS09.12.2023
PT11.12.2023
Former [2024/10]AT09.08.2023
FI09.08.2023
HR09.08.2023
LT09.08.2023
LV09.08.2023
NL09.08.2023
PL09.08.2023
RS09.08.2023
SE09.08.2023
NO09.11.2023
IS09.12.2023
PT11.12.2023
Former [2024/09]AT09.08.2023
FI09.08.2023
LT09.08.2023
NL09.08.2023
SE09.08.2023
NO09.11.2023
IS09.12.2023
Former [2024/08]LT09.08.2023
NL09.08.2023
NO09.11.2023
Cited inInternational search[Y]US5305330  (RIEDER HEINZ [AT], et al) [Y] 6,7 * column 1, line 9 - line 37 * * column 2, line 56 - column 3, line 8 * * column 5, line 30 - column 6, line 52; figures 1,3 * * claims 1,13 *;
 [Y]US5374991  (ATKINSON LELAND G [US], et al) [Y] 6,7 * column 9, line 12 - line 56; figure 2 *;
 [XY]US7233396  (HALL JOHN [US], et al) [X] 1-5 * column 6, line 7 - column 7, line 19; figure 2 * * claims 1,3 * [Y] 6-13;
 [Y]  - Aurélien Bruyant ET AL, "Interferometry Using Generalized Lock-in Amplifier (G-LIA): A Versatile Approach for Phase-Sensitive Sensing and Imaging", Optical Interferometry, InTech, (20170215), pages 211 - 210, doi:10.5772/66657, ISBN 978-953-51-2956-1, XP055635442 [Y] 8,9,13 * paragraph [003.] - paragraph [004.] * * figures 4-6,9-11 *

DOI:   http://dx.doi.org/10.5772/66657
 [Y]  - WATKINS L R, "Novel interferometric ellipsometer with wavelength swept source", LASERS AND ELECTRO-OPTICS, 2004. (CLEO). CONFERENCE ON SAN FRANCISCO, CA, USA MAY 20-21, 2004, PISCATAWAY, NJ, USA,IEEE, (20040517), vol. 1, ISBN 978-1-55752-777-6, pages 1043 - 1045, XP010745760 [Y] 10-12 * paragraph [001.] - paragraph [003.]; figure 1; tables 1,2 *
by applicantFR2685962
 US5485271
 US7233396
 US7339681
 EP1893977
 WO2009080998
 US8004676
 US9518869
 WO2017153378
    - VAILLANT et al., "An unbalanced interferometer insensitive to wavelength drift", Sensors and Actuators A: Physical, (20170000), vol. 268, pages 188 - 192
    - AI MOHTAR, ABEER et al., "Generalized lock-in détection for interferometry: application to phase sensitive spectroscopy and near-field nanoscopy", Optics express, (20140000), vol. 22.18, pages 22232 - 22245
    - VAILLANT et al., "An unbalanced interferometer insensitive to wavelength drift", Sensors and Actuators A: Physical, vol. 268, pages 188 - 192
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.