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Extract from the Register of European Patents

EP About this file: EP3514609

EP3514609 - OPTICAL ISOLATOR [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.07.2023
Database last updated on 22.08.2024
FormerThe patent has been granted
Status updated on  05.08.2022
FormerGrant of patent is intended
Status updated on  09.06.2022
FormerRequest for examination was made
Status updated on  21.06.2019
FormerThe international publication has been made
Status updated on  20.04.2018
Most recent event   Tooltip19.07.2024Lapse of the patent in a contracting state
New state(s): BG		published on 21.08.2024  [2024/34]
Applicant(s)For all designated states
LG Chem, Ltd.
128 Yeoui-daero
Yeongdeungpo-gu
Seoul 07336 / KR
[2019/30]
Inventor(s)01 / PARK, Seong Min
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
02 / HAN, Sang Choll
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
03 / KIM, Jae Jin
LG Chem Research Park
188 Munji-ro
Yuseong-gu
Daejeon 34122 / KR
 [2019/30]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2019/30]
Application number, filing date17860296.713.10.2017
[2019/30]
WO2017KR11317
Priority number, dateKR2016013284313.10.2016         Original published format: KR 20160132843
[2019/30]
Filing languageKO
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018070830
Date:19.04.2018
Language:KO
[2018/16]
Type: A1 Application with search report 
No.:EP3514609
Date:24.07.2019
Language:EN
[2019/30]
Type: B1 Patent specification 
No.:EP3514609
Date:07.09.2022
Language:EN
[2022/36]
Search report(s)International search report - published on:KR19.04.2018
(Supplementary) European search report - dispatched on:EP04.10.2019
ClassificationIPC:G02B27/28, G02F1/1335, G02B5/32
[2019/45]
CPC:
G02B5/32 (EP,US); G02B27/281 (KR); G02B27/28 (EP,US);
G02B27/286 (US); G02B27/288 (KR); G02B5/3083 (US);
G02F1/1335 (EP); G02F1/133528 (KR,US); G02F1/13362 (US);
G02F1/093 (US); G02F1/133548 (US) (-)
Former IPC [2019/30]G02B27/28, G02F1/1335
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 [2019/30]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:OPTISCHER ISOLIERER[2019/30]
English:OPTICAL ISOLATOR[2019/30]
French:OPTOISOLATEUR[2019/30]
Entry into regional phase15.04.2019Translation filed 
15.04.2019National basic fee paid 
15.04.2019Search fee paid 
15.04.2019Designation fee(s) paid 
15.04.2019Examination fee paid 
Examination procedure15.04.2019Examination requested  [2019/30]
03.04.2020Amendment by applicant (claims and/or description)
10.06.2022Communication of intention to grant the patent
02.08.2022Fee for grant paid
02.08.2022Fee for publishing/printing paid
02.08.2022Receipt of the translation of the claim(s)
Opposition(s)08.06.2023No opposition filed within time limit [2023/33]
Fees paidRenewal fee
23.10.2019Renewal fee patent year 03
22.10.2020Renewal fee patent year 04
22.10.2021Renewal 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  TooltipHU13.10.2017
AL07.09.2022
AT07.09.2022
BG07.09.2022
CY07.09.2022
CZ07.09.2022
DK07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
IT07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
MK07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
IE13.10.2022
LU13.10.2022
BE31.10.2022
CH31.10.2022
LI31.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
[2024/34]
Former [2024/27]HU13.10.2017
AL07.09.2022
AT07.09.2022
CY07.09.2022
CZ07.09.2022
DK07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
IT07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
MK07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
IE13.10.2022
LU13.10.2022
BE31.10.2022
CH31.10.2022
LI31.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2024/26]HU13.10.2017
AL07.09.2022
AT07.09.2022
CY07.09.2022
CZ07.09.2022
DK07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
IT07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
IE13.10.2022
LU13.10.2022
BE31.10.2022
CH31.10.2022
LI31.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2024/21]HU13.10.2017
AL07.09.2022
AT07.09.2022
CY07.09.2022
CZ07.09.2022
DK07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
IE13.10.2022
LU13.10.2022
BE31.10.2022
CH31.10.2022
LI31.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2024/18]HU13.10.2017
AL07.09.2022
AT07.09.2022
CZ07.09.2022
DK07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
IE13.10.2022
LU13.10.2022
BE31.10.2022
CH31.10.2022
LI31.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/48]AL07.09.2022
AT07.09.2022
CZ07.09.2022
DK07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
IE13.10.2022
LU13.10.2022
BE31.10.2022
CH31.10.2022
LI31.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/42]AL07.09.2022
AT07.09.2022
CZ07.09.2022
DK07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
LU13.10.2022
BE31.10.2022
CH31.10.2022
LI31.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/37]AL07.09.2022
AT07.09.2022
CZ07.09.2022
DK07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SI07.09.2022
SK07.09.2022
SM07.09.2022
LU13.10.2022
CH31.10.2022
LI31.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/35]AL07.09.2022
AT07.09.2022
CZ07.09.2022
DK07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SK07.09.2022
SM07.09.2022
LU13.10.2022
CH31.10.2022
LI31.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/34]AL07.09.2022
AT07.09.2022
CZ07.09.2022
DK07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SK07.09.2022
SM07.09.2022
LU13.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/30]AL07.09.2022
AT07.09.2022
CZ07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
MC07.09.2022
NL07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SK07.09.2022
SM07.09.2022
LU13.10.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/29]AL07.09.2022
AT07.09.2022
CZ07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SK07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/26]AT07.09.2022
CZ07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
PL07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SK07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
IS07.01.2023
PT09.01.2023
Former [2023/23]AT07.09.2022
CZ07.09.2022
EE07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SK07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
PT09.01.2023
Former [2023/22]AT07.09.2022
CZ07.09.2022
ES07.09.2022
FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
RO07.09.2022
RS07.09.2022
SE07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
PT09.01.2023
Former [2023/20]FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
RS07.09.2022
SE07.09.2022
SM07.09.2022
NO07.12.2022
GR08.12.2022
Former [2023/10]FI07.09.2022
HR07.09.2022
LT07.09.2022
LV07.09.2022
RS07.09.2022
SE07.09.2022
NO07.12.2022
GR08.12.2022
Former [2023/09]FI07.09.2022
LT07.09.2022
LV07.09.2022
RS07.09.2022
SE07.09.2022
NO07.12.2022
Former [2023/08]FI07.09.2022
LT07.09.2022
RS07.09.2022
SE07.09.2022
NO07.12.2022
Documents cited:Search[I]EP1498770  (NITTO DENKO CORP [JP]) [I] 1 * figures 1,4 ** paragraph [0024] - paragraphs [0041] , [0115] , [0116]; figures 1,4 *;
 [I]US2012092735  (FUTTERER GERALD [DE], et al) [I] 1-9 * paragraphs [0062] - [0067] - [0151] - paragraphs [0153] , [ 178] - [0180]; figures 8,13,22 *;
 [I]  - FANG XU ET AL, "INTELLIGENT PHOTONIC SWITCH BASED ON POLARIZATION-SELECTIVE BIREFRINGENT COMPUTER-GENERATED HOLOGRAMS", OPTICS LETTERS, OPTICAL SOCIETY OF AMERICA, US, (19950201), vol. 20, no. 3, ISSN 0146-9592, pages 336 - 338, XP000482487 [I] 1 * page 336 - page 337; figures 1,2 *
International search[A]JP2007322832  (HOYA CORP) [A] 1-9 * See paragraphs [0036]-[0052] and figures 1-7. *;
 [A]JP2008090052  (SUMITOMO METAL MINING CO) [A] 1-9* See paragraphs [0016]-[0044] and figures 3-6. *;
 [A]JP2010224520  (KYOCERA CORP) [A] 1-9 * See paragraph [0021] and figure 1. *;
 [A]JP2014010241  (FURUUCHI KAGAKU KK) [A] 1-9 * See paragraphs [0013]-[0019] and figures 1-2. *;
 [A]JP2016138966  (SHINETSU CHEMICAL CO) [A] 1-9 * See paragraphs [0006], [0019]-[0035] and figures 1-6. *
ExaminationJPH04360103
 JP2001284695
by applicantKR20160132843
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.