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Extract from the Register of European Patents

EP About this file: EP2936220

EP2936220 - POLARIZATION CONVERSION SYSTEMS WITH GEOMETRIC PHASE HOLOGRAMS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.09.2023
Database last updated on 27.07.2024
FormerThe patent has been granted
Status updated on  14.10.2022
FormerGrant of patent is intended
Status updated on  06.06.2022
FormerExamination is in progress
Status updated on  14.12.2019
Most recent event   Tooltip24.05.2024Lapse of the patent in a contracting state
New state(s): IT		published on 26.06.2024  [2024/26]
Applicant(s)For all designated states
ImagineOptix Corporation
10030 Green Level Church Road
Suite 802-1260
Cary NC 27519 / US
[2022/46]
Former [2019/15]For all designated states
ImagineOptix Corporation
10030 Green Level Church Road
Suite 802-1260
Cary NC 27519 / US
Former [2015/44]For all designated states
North Carolina State University
Campus Box 8210
Raleigh, NC 27695 / US
For all designated states
Imagineoptix Corporation
7202 Doverton Court
Raleigh, North Carolina 27615 / US
Inventor(s)01 / ESCUTI, Michael J.
122 Agassi Ct.
Cary, North Carolina 27695 / US
02 / KIM, Jihwan
6211-104 Pitchkettle Rd.
Raleigh, North Carolina 27606 / US
03 / KOMANDURI, Ravi K.
43499 Ogden Place
Dulles, VA 20166 / US
04 / CLARK, Erin
106 Lantern Ridge Ln.
Cary, North Carolina 27519 / US
 [2016/08]
Former [2015/44]01 / ESCUTI, Michael J.
122 Agassi Ct.
Cary, North Carolina 27695 / US
02 / KIM, Jihwan
6211-104 Pitchkettle Rd.
Raleigh, North Carolina 27606 / US
03 / KOMANDURI, Ravi K.
2509 Avent Ferry Rd.
Apt. B
Raleigh, North Carolina 27606 / US
04 / CLARK, Erin
106 Lantern Ridge Ln.
Cary, North Carolina 27519 / US
Representative(s)Murgitroyd & Company
165-169 Scotland Street
Glasgow G5 8PL / GB
[N/P]
Former [2022/46]Murgitroyd & Company
Murgitroyd House
165-169 Scotland Street
Glasgow G5 8PL / GB
Former [2015/44]Yeadon, Mark
Yeadon IP Limited
Leeds Innovation Centre
103 Clarendon Road
Leeds LS2 9DF / GB
Application number, filing date14774568.107.03.2014
[2015/44]
WO2014US21680
Priority number, dateUS201361779304P13.03.2013         Original published format: US 201361779304 P
[2015/44]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2014159045
Date:02.10.2014
Language:EN
[2014/40]
Type: A1 Application with search report 
No.:EP2936220
Date:28.10.2015
Language:EN
The application published by WIPO in one of the EPO official languages on 02.10.2014 takes the place of the publication of the European patent application.
[2015/44]
Type: B1 Patent specification 
No.:EP2936220
Date:16.11.2022
Language:EN
[2022/46]
Search report(s)International search report - published on:KR02.10.2014
(Supplementary) European search report - dispatched on:EP09.08.2016
ClassificationIPC:G02B5/30
[2015/44]
CPC:
G02B5/3083 (EP,US); G02B5/32 (US); F21V9/14 (US);
G02B27/283 (US); G02B27/286 (EP,US); G02B5/3016 (US);
G02B6/0056 (US); G02B6/105 (US); G03B21/2073 (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 [2015/44]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:POLARISATIONSUMWANDLUNGSSYSTEM MIT GEOMETRISCHEN PHASENHOLOGRAMMEN[2015/44]
English:POLARIZATION CONVERSION SYSTEMS WITH GEOMETRIC PHASE HOLOGRAMS[2015/44]
French:SYSTÈMES DE CONVERSION DE POLARISATION À HOLOGRAMMES À PHASE GÉOMÉTRIQUE[2015/44]
Entry into regional phase22.07.2015National basic fee paid 
22.07.2015Search fee paid 
22.07.2015Designation fee(s) paid 
22.07.2015Examination fee paid 
Examination procedure12.01.2015Request for preliminary examination filed
International Preliminary Examining Authority: KR
22.07.2015Examination requested  [2015/44]
15.02.2017Amendment by applicant (claims and/or description)
18.12.2019Despatch of a communication from the examining division (Time limit: M04)
20.04.2020Reply to a communication from the examining division
07.06.2022Communication of intention to grant the patent
06.10.2022Fee for grant paid
06.10.2022Fee for publishing/printing paid
06.10.2022Receipt 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  18.12.2019
Opposition(s)17.08.2023No opposition filed within time limit [2023/43]
Fees paidRenewal fee
25.03.2016Renewal fee patent year 03
27.03.2017Renewal fee patent year 04
27.03.2018Renewal fee patent year 05
27.03.2019Renewal fee patent year 06
27.03.2020Renewal fee patent year 07
12.03.2021Renewal fee patent year 08
14.01.2022Renewal fee patent year 09
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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  TooltipAL16.11.2022
AT16.11.2022
CZ16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
IT16.11.2022
LT16.11.2022
LV16.11.2022
MC16.11.2022
NL16.11.2022
PL16.11.2022
RO16.11.2022
RS16.11.2022
SE16.11.2022
SI16.11.2022
SK16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IE07.03.2023
LU07.03.2023
IS16.03.2023
PT16.03.2023
BE31.03.2023
CH31.03.2023
FR31.03.2023
LI31.03.2023
[2024/26]
Former [2024/11]AL16.11.2022
AT16.11.2022
CZ16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
MC16.11.2022
NL16.11.2022
PL16.11.2022
RO16.11.2022
RS16.11.2022
SE16.11.2022
SI16.11.2022
SK16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IE07.03.2023
LU07.03.2023
IS16.03.2023
PT16.03.2023
BE31.03.2023
CH31.03.2023
FR31.03.2023
LI31.03.2023
Former [2024/09]AL16.11.2022
AT16.11.2022
CZ16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
MC16.11.2022
NL16.11.2022
PL16.11.2022
RO16.11.2022
RS16.11.2022
SE16.11.2022
SI16.11.2022
SK16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IE07.03.2023
LU07.03.2023
IS16.03.2023
PT16.03.2023
CH31.03.2023
LI31.03.2023
Former [2024/08]AL16.11.2022
AT16.11.2022
CZ16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
MC16.11.2022
NL16.11.2022
PL16.11.2022
RO16.11.2022
RS16.11.2022
SE16.11.2022
SI16.11.2022
SK16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IE07.03.2023
LU07.03.2023
IS16.03.2023
PT16.03.2023
Former [2024/02]AL16.11.2022
AT16.11.2022
CZ16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
MC16.11.2022
NL16.11.2022
PL16.11.2022
RO16.11.2022
RS16.11.2022
SE16.11.2022
SI16.11.2022
SK16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
LU07.03.2023
IS16.03.2023
PT16.03.2023
Former [2023/51]AL16.11.2022
AT16.11.2022
CZ16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
MC16.11.2022
NL16.11.2022
PL16.11.2022
RO16.11.2022
RS16.11.2022
SE16.11.2022
SI16.11.2022
SK16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IS16.03.2023
PT16.03.2023
Former [2023/48]AL16.11.2022
AT16.11.2022
CZ16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
MC16.11.2022
NL16.11.2022
PL16.11.2022
RO16.11.2022
RS16.11.2022
SE16.11.2022
SK16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IS16.03.2023
PT16.03.2023
Former [2023/38]AL16.11.2022
AT16.11.2022
CZ16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
NL16.11.2022
PL16.11.2022
RO16.11.2022
RS16.11.2022
SE16.11.2022
SK16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IS16.03.2023
PT16.03.2023
Former [2023/37]AL16.11.2022
AT16.11.2022
CZ16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
NL16.11.2022
PL16.11.2022
RO16.11.2022
RS16.11.2022
SE16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IS16.03.2023
PT16.03.2023
Former [2023/35]AT16.11.2022
CZ16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
NL16.11.2022
PL16.11.2022
RO16.11.2022
RS16.11.2022
SE16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IS16.03.2023
PT16.03.2023
Former [2023/34]AT16.11.2022
DK16.11.2022
EE16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
NL16.11.2022
PL16.11.2022
RS16.11.2022
SE16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IS16.03.2023
PT16.03.2023
Former [2023/33]AT16.11.2022
DK16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
NL16.11.2022
PL16.11.2022
RS16.11.2022
SE16.11.2022
SM16.11.2022
NO16.02.2023
GR17.02.2023
IS16.03.2023
PT16.03.2023
Former [2023/29]AT16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
NL16.11.2022
PL16.11.2022
RS16.11.2022
SE16.11.2022
NO16.02.2023
GR17.02.2023
IS16.03.2023
PT16.03.2023
Former [2023/26]AT16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
PL16.11.2022
RS16.11.2022
SE16.11.2022
NO16.02.2023
GR17.02.2023
IS16.03.2023
PT16.03.2023
Former [2023/24]AT16.11.2022
ES16.11.2022
FI16.11.2022
HR16.11.2022
LT16.11.2022
LV16.11.2022
SE16.11.2022
NO16.02.2023
GR17.02.2023
PT16.03.2023
Former [2023/23]AT16.11.2022
ES16.11.2022
FI16.11.2022
LT16.11.2022
LV16.11.2022
SE16.11.2022
NO16.02.2023
GR17.02.2023
PT16.03.2023
Former [2023/22]AT16.11.2022
ES16.11.2022
FI16.11.2022
LT16.11.2022
SE16.11.2022
NO16.02.2023
PT16.03.2023
Former [2023/20]LT16.11.2022
NO16.02.2023
Documents cited:Search[A]EP0720040  (SHARP KK [JP]) [A] 1-19* figure 1 *;
 [A]GB2410339  (SHARP KK [JP]) [A] 1-19 * figure 4 *;
 [I]  - Kim Jihwan, "Liquid Crystal Geometric Phase Holograms for Efficient Beam Steering and Imaging Spectropolarimetry", (20110510), URL: http://repository.lib.ncsu.edu/ir/bitstream/1840.16/7170/1/etd.pdf, (20160801), XP055292429 [I] 1-19 * pages 24-29 *
 [A]  - EUNSEONG SEO ET AL, "39.2: Polarization Conversion System Using a Polymer Polarization Grating", SID SYMPOSIUM DIGEST OF TECHNICAL PAPERS, (20110601), vol. 42, no. 1, doi:10.1889/1.3621380, ISSN 0097-966X, pages 540 - 543, XP055189160 [A] 1-19 * the whole document *

DOI:   http://dx.doi.org/10.1889/1.3621380
 [A]  - JIHWAN KIM ET AL, "Efficient and monolithic polarization conversion system based on a polarization grating", APPLIED OPTICS, OPTICAL SOCIETY OF AMERICA, WASHINGTON, DC; US, vol. 51, no. 20, doi:10.1364/AO.51.004852, ISSN 0003-6935, (20120710), pages 4852 - 4857, (20120709), XP001577047 [A] 1-19 * the whole document *

DOI:   http://dx.doi.org/10.1364/AO.51.004852
International search[Y]US2002093718  (SLACK JASON KEMPTON [GB], et al);
 [A]KR100565884B  (ROLIC AG);
 [A]KR20060048078  (SUMITOMO CHEMICAL CO [JP]);
 [Y]US2012188467  (ESCUTI MICHAEL J [US], et al);
 [A]US2013027656  (ESCUTI MICHAEL J [US], et al)
ExaminationJP2005274847
by applicantUS5986809
 US5995284
 US6621533
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.