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Extract from the Register of European Patents

EP About this file: EP4200908

EP4200908 - THREE-DIMENSIONAL MEMORY DEVICES AND METHODS FOR FORMING THE SAME [Right-click to bookmark this link]
StatusGrant of patent is intended
Status updated on  17.09.2024
Database last updated on 15.11.2024
FormerRequest for examination was made
Status updated on  26.05.2023
FormerThe international publication has been made
Status updated on  06.01.2023
Most recent event   Tooltip17.09.2024New entry: Communication of intention to grant a patent 
Applicant(s)For all designated states
Yangtze Memory Technologies Co., Ltd.
No.88 Weilai 3rd Road
East Lake High-tech Development Zone
Wuhan, Hubei 430000 / CN
[2023/26]
Inventor(s)01 / CHEN, Liang
Wuhan, Hubei 430074 / CN
02 / LIU, Wei
Wuhan, Hubei 430074 / CN
03 / WANG, Yanhong
Wuhan, Hubei 430074 / CN
04 / XIA, Zhiliang
Wuhan, Hubei 430074 / CN
05 / ZHOU, Wenxi
Wuhan, Hubei 430074 / CN
06 / ZHANG, Kun
Wuhan, Hubei 430074 / CN
07 / YANG, Yuancheng
Wuhan, Hubei 430074 / CN
 [2023/26]
Representative(s)Lippert Stachow Patentanwälte Rechtsanwälte
Partnerschaft mbB
Frankenforster Strasse 135-137
51427 Bergisch Gladbach / DE
[2023/26]
Application number, filing date21947574.630.06.2021
[2023/26]
WO2021CN103730
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2023272620
Date:05.01.2023
Language:EN
[2023/01]
Type: A1 Application with search report 
No.:EP4200908
Date:28.06.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 05.01.2023 takes the place of the publication of the European patent application.
[2023/26]
Search report(s)International search report - published on:CN05.01.2023
(Supplementary) European search report - dispatched on:EP05.01.2024
ClassificationIPC:H01L25/18, H01L25/00, H10B80/00, H10B43/40
[2024/05]
CPC:
H01L25/18 (EP,US); H01L24/08 (US); H01L24/80 (US);
H01L25/0657 (US); H01L25/50 (EP,US); H10B43/27 (EP,US);
H10B43/40 (EP,US); H10B80/00 (EP); H01L2224/08145 (US);
H01L2224/80895 (US); H01L2224/80896 (US); H01L2225/06541 (EP);
H01L2924/1431 (US); H01L2924/14511 (US) (-)
Former IPC [2023/26]H01L25/18
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 [2023/26]
TitleGerman:DREIDIMENSIONALE SPEICHERVORRICHTUNGEN UND VERFAHREN ZU IHRER HERSTELLUNG[2024/37]
English:THREE-DIMENSIONAL MEMORY DEVICES AND METHODS FOR FORMING THE SAME[2023/26]
French:DISPOSITIFS DE MÉMOIRE TRIDIMENSIONNELS ET LEURS PROCÉDÉS DE FORMATION[2023/26]
Former [2023/26]DREIDIMENSIONALE SPEICHERVORRICHTUNGEN UND VERFAHREN ZUR FORMUNG DAVON
Entry into regional phase20.03.2023National basic fee paid 
20.03.2023Search fee paid 
20.03.2023Designation fee(s) paid 
20.03.2023Examination fee paid 
Examination procedure20.03.2023Examination requested  [2023/26]
24.05.2024Amendment by applicant (claims and/or description)
24.05.2024Date on which the examining division has become responsible
18.09.2024Communication of intention to grant the patent
Fees paidRenewal fee
20.03.2023Renewal fee patent year 03
31.03.2024Renewal fee patent year 04
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Documents cited:Search[XI]US2020328186  (LIU JUN [CN]);
 [A]US2020328176  (LIU JUN [CN])
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.