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Extract from the Register of European Patents

EP About this file: EP3844806

EP3844806 - THREE-DIMENSIONAL MEMORY DEVICES AND FABRICATING METHODS THEREOF [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  15.12.2023
Database last updated on 22.08.2024
FormerGrant of patent is intended
Status updated on  16.07.2023
FormerExamination is in progress
Status updated on  15.12.2022
FormerRequest for examination was made
Status updated on  04.06.2021
FormerThe international publication has been made
Status updated on  30.05.2020
Most recent event   Tooltip08.08.2024Lapse of the patent in a contracting state
New state(s): SE
published on 11.09.2024 [2024/37]
Applicant(s)For all designated states
Yangtze Memory Technologies Co., Ltd.
No.88 Weilai 3rd Road, East Lake High-tech
Development Zone
Wuhan, Hubei 430223 / CN
[2021/27]
Inventor(s)01 / XIAO, Li Hong
Room 7018, No. 18, Huaguang Road
Guandong Science and Technology Industrial Park
East Lake Development Zone
Wuhan, Hubei 430074 / CN
02 / LIU, Jun
Room 7018, No. 18, Huaguang Road
Guandong Science and Technology Industrial Park
East Lake Development Zone
Wuhan, Hubei 430074 / CN
 [2024/03]
Former [2021/27]01 / XIAO, Li Hong
Room 7018, No. 18, Huaguang Road Guandong Science and Technology Industrial Park East Lake
Development Zone
Wuhan, Hubei 430074 / CN
02 / LIU, Jun
Room 7018, No. 18, Huaguang Road Guandong Science and Technology Industrial Park East Lake
Development Zone
Wuhan, Hubei 430074 / CN
Representative(s)Gramm, Lins & Partner Patent- und Rechtsanwälte PartGmbB
Freundallee 13a
30173 Hannover / DE
[2021/27]
Application number, filing date18940968.322.11.2018
[2021/27]
WO2018CN116940
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020103082
Date:28.05.2020
Language:EN
[2020/22]
Type: A1 Application with search report 
No.:EP3844806
Date:07.07.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 28.05.2020 takes the place of the publication of the European patent application.
[2021/27]
Type: B1 Patent specification 
No.:EP3844806
Date:17.01.2024
Language:EN
[2024/03]
Search report(s)International search report - published on:CN28.05.2020
(Supplementary) European search report - dispatched on:EP10.03.2022
ClassificationIPC:H10B43/27, H01L21/768, H01L29/792, H01L21/28
[2023/30]
CPC:
H01L29/40117 (EP,KR); H10B43/27 (EP,CN,KR,US); H10B43/35 (CN,KR);
H01L21/823462 (US); H01L21/823487 (US); H01L29/7926 (EP,KR)
Former IPC [2022/14]H01L21/768, H01L27/11582, H01L29/792, H01L21/28
Former IPC [2021/27]H01L21/768
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 [2021/27]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:DREIDIMENSIONALE SPEICHERVORRICHTUNGEN UND HERSTELLUNGSVERFAHREN DAFÜR[2021/27]
English:THREE-DIMENSIONAL MEMORY DEVICES AND FABRICATING METHODS THEREOF[2021/27]
French:DISPOSITIFS DE MÉMOIRE TRIDIMENSIONNELS ET LEURS PROCÉDÉS DE FABRICATION[2021/27]
Entry into regional phase31.03.2021National basic fee paid 
31.03.2021Search fee paid 
31.03.2021Designation fee(s) paid 
31.03.2021Examination fee paid 
Examination procedure31.03.2021Examination requested  [2021/27]
31.08.2022Amendment by applicant (claims and/or description)
14.12.2022Despatch of a communication from the examining division (Time limit: M04)
19.04.2023Reply to a communication from the examining division
17.07.2023Communication of intention to grant the patent
15.09.2023Fee for grant paid
15.09.2023Fee for publishing/printing paid
15.09.2023Receipt of the translation of the claim(s)
Fees paidRenewal fee
31.03.2021Renewal fee patent year 03
24.11.2021Renewal fee patent year 04
30.11.2022Renewal fee patent year 05
29.11.2023Renewal fee patent year 06
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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  TooltipAT17.01.2024
BG17.01.2024
ES17.01.2024
FI17.01.2024
HR17.01.2024
LT17.01.2024
LV17.01.2024
NL17.01.2024
PL17.01.2024
SE17.01.2024
NO17.04.2024
RS17.04.2024
GR18.04.2024
IS17.05.2024
PT17.05.2024
[2024/37]
Former [2024/36]AT17.01.2024
BG17.01.2024
ES17.01.2024
FI17.01.2024
HR17.01.2024
LT17.01.2024
LV17.01.2024
NL17.01.2024
PL17.01.2024
NO17.04.2024
RS17.04.2024
GR18.04.2024
IS17.05.2024
PT17.05.2024
Former [2024/35]AT17.01.2024
BG17.01.2024
ES17.01.2024
FI17.01.2024
HR17.01.2024
LT17.01.2024
NL17.01.2024
NO17.04.2024
RS17.04.2024
GR18.04.2024
IS17.05.2024
Former [2024/34]BG17.01.2024
FI17.01.2024
HR17.01.2024
LT17.01.2024
NL17.01.2024
NO17.04.2024
RS17.04.2024
GR18.04.2024
IS17.05.2024
Former [2024/33]LT17.01.2024
NL17.01.2024
NO17.04.2024
IS17.05.2024
Former [2024/32]NL17.01.2024
IS17.05.2024
Former [2024/31]NL17.01.2024
Documents cited:Search[X]US2018033799  (KANAMORI KOHJI [KR], et al);
 [XI]US2018219017  (GODA AKIRA [US], et al)
ExaminationUS9449985
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.