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Extract from the Register of European Patents

EP About this file: EP2713402

EP2713402 - Normally-off high electron mobility transistor [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  04.02.2022
Database last updated on 24.03.2026
FormerThe patent has been granted
Status updated on  19.02.2021
FormerGrant of patent is intended
Status updated on  07.10.2020
FormerExamination is in progress
Status updated on  17.03.2017
Most recent event   Tooltip19.12.2025Lapse of the patent in a contracting state
New state(s): TR		published on 21.01.2026  [2026/04]
Applicant(s)For all designated states
Samsung Electronics Co., Ltd.
129, Samsung-ro
Yeongtong-gu
Suwon-si
Gyeonggi-do 443-742 / KR
[2021/12]
Former [2014/14]For all designated states
Samsung Electronics Co., Ltd
129, Samsung-ro
Yeongtong-gu
Suwon-si
Gyeonggi-do 443-742 / KR
Inventor(s)01 / Jeon, Woo-chul
c/o Samsung Advanced Insitute of Technology
San 14-1 Nongseo-dong
Giheung-gu, Yongin-si
449-712 Gyeonggi-do / KR
02 / Park, Young-hwan
c/o Samsung Advanced Insitute of Technology
San 14-1 Nongseo-dong
Giheung-gu, Yongin-si
449-712 Gyeonggi-do / KR
03 / Oh, Jae-joon
c/o Samsung Advanced Insitute of Technology
San 14-1 Nongseo-dong
Giheung-gu, Yongin-si
449-712 Gyeonggi-do / KR
04 / Kim, Kyoung-yeon
c/o Samsung Advanced Insitute of Technology
San 14-1 Nongseo-dong
Giheung-gu, Yongin-si
449-712 Gyeonggi-do / KR
05 / Kim, Joon-yong
c/o Samsung Advanced Insitute of Technology
San 14-1 Nongseo-dong
Giheung-gu, Yongin-si
449-712 Gyeonggi-do / KR
06 / Park, Ki-yeol
c/o Samsung Advanced Insitute of Technology
San 14-1 Nongseo-dong
Giheung-gu, Yongin-si
449-712 Gyeonggi-do / KR
07 / Shin, Jai-kwang
c/o Samsung Advanced Insitute of Technology
San 14-1 Nongseo-dong
Giheung-gu, Yongin-si
449-712 Gyeonggi-do / KR
08 / Hwang, Sun-kyu
c/o Samsung Advanced Insitute of Technology
San 14-1 Nongseo-dong
Giheung-gu, Yongin-si
449-712 Gyeonggi-do / KR
 [2014/14]
Representative(s)Elkington and Fife LLP
Prospect House
8 Pembroke Road
Sevenoaks, Kent TN13 1XR / GB
[2021/12]
Former [2014/14]Greene, Simon Kenneth
Elkington and Fife LLP
8 Pembroke Road
Sevenoaks Kent TN13 1XR / GB
Application number, filing date13173455.024.06.2013
[2014/14]
Priority number, dateKR2012010926728.09.2012         Original published format: KR 20120109267
[2014/14]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP2713402
Date:02.04.2014
Language:EN
[2014/14]
Type: A3 Search report 
No.:EP2713402
Date:13.01.2016
Language:EN
[2016/02]
Type: B1 Patent specification 
No.:EP2713402
Date:24.03.2021
Language:EN
[2021/12]
Search report(s)(Supplementary) European search report - dispatched on:EP11.12.2015
ClassificationIPC:H01L29/778, H01L29/10, // H01L29/423, H01L29/40, H01L29/20
[2014/14]
CPC:
H10D62/343 (EP,CN,US); H10P10/00 (KR); H10D30/475 (EP,CN,US);
H10D30/47 (US); H10D62/8503 (EP,CN,KR,US); H10D64/111 (EP,CN,US);
H10D64/411 (EP,CN,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 [2016/33]
Former [2014/14]AL,  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 
TitleGerman:Selbstsperrender Transistor mit hoher Elektronenmobilität[2014/14]
English:Normally-off high electron mobility transistor[2014/14]
French:Transistor à haute mobilité d'électrons normalement bloqué[2014/14]
Examination procedure07.07.2016Amendment by applicant (claims and/or description)
07.07.2016Examination requested  [2016/33]
20.03.2017Despatch of a communication from the examining division (Time limit: M06)
29.09.2017Reply to a communication from the examining division
16.09.2020Cancellation of oral proceeding that was planned for 22.09.2020
22.09.2020Date of oral proceedings (cancelled)
08.10.2020Communication of intention to grant the patent
16.02.2021Fee for grant paid
16.02.2021Fee for publishing/printing paid
16.02.2021Receipt 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  20.03.2017
Opposition(s)04.01.2022No opposition filed within time limit [2022/10]
Fees paidRenewal fee
30.06.2015Renewal fee patent year 03
31.03.2016Renewal fee patent year 04
30.06.2017Renewal fee patent year 05
02.07.2018Renewal fee patent year 06
01.07.2019Renewal fee patent year 07
30.06.2020Renewal fee patent year 08
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  TooltipHU24.06.2013
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Documents cited:Search[XI] US2010097105  (MORITA TATSUO et al.) [X] 1-3,5,6,8,12-15 * figures 4, 11 and associated text *[I] 4,9-11
 [XI] DE102011000911  (INFINEON TECHNOLOGIES AUSTRIA et al.) [X] 1,2,4,5,7-15 * figure 3E and associated text *[I] 3,6
ExaminationWO2011163318
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.