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Extract from the Register of European Patents

EP About this file: EP3455883

EP3455883 - HIGH ELECTRON MOBILITY TRANSISTOR (HEMT) [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.09.2022
Database last updated on 03.10.2024
FormerThe patent has been granted
Status updated on  01.10.2021
FormerGrant of patent is intended
Status updated on  20.06.2021
FormerExamination is in progress
Status updated on  01.10.2020
FormerRequest for examination was made
Status updated on  15.02.2019
FormerThe international publication has been made
Status updated on  17.11.2017
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 16.10.2024 [2024/42]
Applicant(s)For all designated states
RFHIC Corporation
RFHIC building, 41-14
Burim-ro, 170 beon-gil
Gwanyang-dong
Dongan-gu, Anyang-si, Gyeonggi-do
14055 / KR
[2019/12]
Inventor(s)01 / LEE, Won Sang
1 Heather Ct
Chapel Hill, North Carolina 27517 / US
 [2019/17]
Former [2019/12]01 / LEE, Won Sang
4301 Drew Hill Ln
Chapel Hill North Carolina 27514 / US
Representative(s)Haseltine Lake Kempner LLP
One Portwall Square
Portwall Lane
Bristol BS1 6BH / GB
[N/P]
Former [2021/44]Haseltine Lake Kempner LLP
Redcliff Quay
120 Redcliff Street
Bristol BS1 6HU / GB
Former [2019/12]Haseltine Lake LLP
Redcliff Quay 120 Redcliff Street
Bristol BS1 6HU / GB
Application number, filing date17796636.308.05.2017
[2019/12]
WO2017US31581
Priority number, dateUS201662334837P11.05.2016         Original published format: US 201662334837 P
US20171558865007.05.2017         Original published format: US201715588650
[2019/12]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO2017196740
Date:16.11.2017
Language:EN
[2017/46]
Type: A2 Application without search report 
No.:EP3455883
Date:20.03.2019
Language:EN
The application published by WIPO in one of the EPO official languages on 16.11.2017 takes the place of the publication of the European patent application.
[2019/12]
Type: B1 Patent specification 
No.:EP3455883
Date:03.11.2021
Language:EN
[2021/44]
Search report(s)International search report - published on:KR26.07.2018
(Supplementary) European search report - dispatched on:EP14.02.2020
ClassificationIPC:H01L29/778, H01L21/338, H01L29/417, H01L29/20, H01L23/48, H01L23/485, H01L21/768, // H01L29/41, H01L29/06
[2021/28]
CPC:
H01L21/76898 (EP,CN,US); H01L29/7783 (CN,KR); H01L29/404 (US);
H01L21/8232 (US); H01L23/481 (EP,CN,US); H01L24/05 (EP,US);
H01L27/0605 (US); H01L27/085 (US); H01L29/0619 (EP,US);
H01L29/2003 (EP,US); H01L29/205 (US); H01L29/401 (EP,KR,US);
H01L29/402 (EP,CN,US); H01L29/408 (US); H01L29/4175 (EP,US);
H01L29/452 (KR); H01L29/66462 (EP,KR,US); H01L29/7786 (EP,US);
H01L29/7787 (US); H01L21/823481 (US); H01L21/8252 (US);
H01L2224/0345 (EP,US); H01L2224/03462 (EP,US); H01L2224/04026 (EP,US);
H01L2224/05027 (EP,US); H01L2224/05073 (EP,US); H01L2224/0508 (EP,US);
H01L2224/05084 (EP,US); H01L2224/05139 (EP,US); H01L2224/05144 (EP);
H01L2224/05147 (EP,US); H01L2224/05166 (EP); H01L2224/0557 (EP,US);
H01L2224/05572 (EP,US); H01L2224/05583 (EP,US); H01L2224/05644 (EP,US);
H01L2224/29009 (EP,US); H01L2224/29022 (EP,US); H01L2224/29025 (EP,US);
H01L2224/29294 (EP,US); H01L2224/293 (EP,US); H01L2224/32245 (EP,US);
H01L2224/83191 (EP,US); H01L2224/94 (EP,US); H01L24/03 (EP,US);
H01L24/29 (EP,US); H01L24/94 (EP,US); H01L29/0657 (EP,US);
H01L2924/1033 (EP,US); H01L2924/10344 (EP,US); H01L2924/13064 (EP,US) (-)
C-Set:
H01L2224/0345, H01L2924/00014 (EP,US);
H01L2224/03462, H01L2924/00014 (EP,US);
H01L2224/05084, H01L2224/05644, H01L2224/05639, H01L2224/05147, H01L2224/05144, H01L2224/05166 (EP,US);
H01L2224/0508, H01L2224/05644, H01L2224/05147, H01L2224/05644, H01L2224/05147, H01L2224/05144, H01L2224/05166 (EP,US);
H01L2224/05139, H01L2924/00014 (EP);
H01L2224/05144, H01L2924/00014 (EP);
H01L2224/05147, H01L2924/00014 (EP);
H01L2224/05166, H01L2924/00014 (EP);
H01L2224/05644, H01L2924/00014 (US,EP);
H01L2224/29294, H01L2924/00014 (US,EP);
H01L2224/293, H01L2924/014 (EP,US);
H01L2224/94, H01L2224/03 (US,EP);
H01L2224/94, H01L2224/27 (US,EP)
(-)
Former IPC [2020/12]H01L29/778, H01L21/338, H01L29/417, H01L29/20, H01L23/48, H01L21/768, // H01L29/41, H01L29/06
Former IPC [2019/52]H01L29/778, H01L21/338, H01L29/20, H01L29/417, H01L23/48, H01L21/768, // H01L29/41, H01L29/06
Former IPC [2019/12]H01L29/778, H01L29/66, H01L29/45
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 [2019/12]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:TRANSISTOR MIT HOHER ELEKTRONENMOBILITÄT (HEMT)[2019/12]
English:HIGH ELECTRON MOBILITY TRANSISTOR (HEMT)[2019/12]
French:TRANSISTOR À HAUTE MOBILITÉ ÉLECTRONIQUE (HEMT)[2019/12]
Entry into regional phase18.10.2018National basic fee paid 
18.10.2018Search fee paid 
18.10.2018Designation fee(s) paid 
18.10.2018Examination fee paid 
Examination proceduredeletedDate on which the examining division has become responsible
18.10.2018Examination requested  [2019/12]
22.06.2020Amendment by applicant (claims and/or description)
30.09.2020Despatch of a communication from the examining division (Time limit: M04)
21.01.2021Reply to a communication from the examining division
12.05.2021Cancellation of oral proceeding that was planned for 06.10.2021
21.06.2021Communication of intention to grant the patent
24.09.2021Fee for grant paid
24.09.2021Fee for publishing/printing paid
24.09.2021Receipt of the translation of the claim(s)
06.10.2021Date of oral proceedings (cancelled)
Divisional application(s)EP21177502.8  / EP3905340
Opposition(s)04.08.2022No opposition filed within time limit [2022/41]
Fees paidRenewal fee
29.05.2019Renewal fee patent year 03
26.05.2020Renewal fee patent year 04
26.05.2021Renewal 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  TooltipHU08.05.2017
AL03.11.2021
AT03.11.2021
CY03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
MK03.11.2021
MT03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
[2024/42]
Former [2024/23]HU08.05.2017
AL03.11.2021
AT03.11.2021
CY03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
MK03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
Former [2024/20]HU08.05.2017
AL03.11.2021
AT03.11.2021
CY03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
Former [2024/18]HU08.05.2017
AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
Former [2023/25]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
IT03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
IE08.05.2022
LU08.05.2022
BE31.05.2022
CH31.05.2022
LI31.05.2022
Former [2023/20]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
IE08.05.2022
LU08.05.2022
CH31.05.2022
LI31.05.2022
Former [2023/09]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
LU08.05.2022
CH31.05.2022
LI31.05.2022
Former [2023/08]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
LU08.05.2022
Former [2023/06]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
MC03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2023/01]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SI03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/49]AL03.11.2021
AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/35]AT03.11.2021
CZ03.11.2021
DK03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SK03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/34]AT03.11.2021
EE03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RO03.11.2021
RS03.11.2021
SE03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/33]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RS03.11.2021
SE03.11.2021
SM03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/25]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RS03.11.2021
SE03.11.2021
BG03.02.2022
NO03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/24]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
NL03.11.2021
PL03.11.2021
RS03.11.2021
SE03.11.2021
BG03.02.2022
GR04.02.2022
IS03.03.2022
PT03.03.2022
Former [2022/23]AT03.11.2021
ES03.11.2021
FI03.11.2021
HR03.11.2021
LT03.11.2021
LV03.11.2021
PL03.11.2021
RS03.11.2021
BG03.02.2022
PT03.03.2022
Former [2022/22]AT03.11.2021
FI03.11.2021
LT03.11.2021
RS03.11.2021
BG03.02.2022
Former [2022/21]AT03.11.2021
RS03.11.2021
BG03.02.2022
Former [2022/19]BG03.02.2022
Documents cited:Search[A]US2010295097  (TAKENAKA ISAO [JP], et al) [A] 4 * figures 2, 8 *;
 [X]US2011140172  (CHU RONGMING [US], et al) [X] 9-15* figures 1, 2, 6, 7 and associated text *;
 [XI]JP2013038239  (SANKEN ELECTRIC CO LTD) [X] 1-3 * figures 2, 8 and associated text * [I] 4;
 [XI]US2016035853  (KANEKO SAICHIROU [JP], et al) [X] 1,3 * figures 3, 6 and associated text * [I] 2,4
International search[A]JPH06244277  (TOSHIBA CORP) [A] 1-20 * See paragraphs [0018]-[0025] and figures 1-2. *;
 [A]US2002117681  (WEEKS T WARREN [US], et al) [A] 1-20* See paragraphs [0025]-[0060] and figures 1-8. *;
 [A]US2008206974  (SIMIN GRIGORY [US], et al) [A] 1-20 * See paragraphs [0021]-[0037] and figures 1A-5D. *;
 [XYA]JP2015220430  (SHARP KK) [X] 1-2, 4-5 * See paragraphs [0011]-[0036] and figures 1-3. * [Y] 6 [A] 3, 7-20;
 [Y]US2016087074  (PRECHTL GERHARD [AT]) [Y] 6 * See paragraphs [0038]-[0061] and figures 1-4. *;
 [A]WO2016054545  (UNIV FLORIDA [US]) [A] 1-20 * See paragraphs [0033]-[0041] and figures 1A-18. *
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.