Extract from the Register of European Patents

EP About this file: EP4544599

EP4544599 - SPIN-QUBIT SEMICONDUCTOR DEVICES WITH QUANTUM DOTS EMBEDDED IN A 28-SILICON ENRICHED DEVICE LAYER ON A NON-ENRICHED SUBSTRATE AND A BARRIER SUPERLATTICE AND RELATED METHODS [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  28.03.2025
Database last updated on 28.03.2026
FormerThe international publication has been made
Status updated on  15.03.2024
Formerunknown
Status updated on  23.02.2024
Most recent event   Tooltip22.08.2025Change: Validation statespublished on 24.09.2025  [2025/39]
22.08.2025Change - extension statespublished on 24.09.2025  [2025/39]
Applicant(s)For all designated states
Atomera Incorporated
750 University Avenue, Suite 280
Los Gatos, CA 95032 / US
[2025/18]
Inventor(s)01 / HYTHA, Marek
Brookline, Massachusetts 02446 / US
02 / CODY, Nyles, Wynn
Tempe, Arizona 85284 / US
03 / MEARS, Robert, J.
Wellesley, Massachusetts 02482 / US
04 / TAKEUCHI, Hideki
San Jose, California 95129 / US
05 / WEEKS, Keith, Doran
Chandler, Arizona 85224 / US
 [2025/18]
Representative(s)Page White Farrer
Bedford House
21a John Street
London WC1N 2BF / GB
[2025/18]
Application number, filing date23853704.721.06.2023
[2025/18]
WO2023US25803
Priority number, dateUS202263366698P21.06.2022         Original published format: US 202263366698 P
[2025/18]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO2024054282
Date:14.03.2024
Language:EN
[2024/11]
Type: A2 Application without search report 
No.:EP4544599
Date:30.04.2025
Language:EN
The application published by WIPO in one of the EPO official languages on 14.03.2024 takes the place of the publication of the European patent application.
[2025/18]
Search report(s)International search report - published on:EP27.06.2024
ClassificationIPC:H01L29/06, H01L29/10, H01L29/66, H01L29/76, H01L29/12, H01L29/16, B82Y10/00
[2025/18]
CPC:
B82Y10/00 (EP); H10D30/023 (US); H10D30/014 (EP);
H10D30/402 (EP); H10D48/3835 (EP); H10D62/118 (EP);
H10D62/364 (EP); H10D62/814 (EP); H10D62/8162 (EP);
H10D62/822 (EP); H10D62/83 (EP); H10D64/27 (EP);
H10H20/812 (EP,US); H10H20/824 (US); H10H20/826 (US);
H10P14/3211 (EP); H10P14/3238 (EP); H10P14/3252 (EP);
H10P14/3258 (EP); H10P14/3411 (EP,US); H10P14/3461 (US);
B82Y20/00 (EP,US); H10P14/3246 (EP) (-)
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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/18]
TitleGerman:SPIN-QUBIT-HALBLEITERBAUELEMENTE MIT IN EINER MIT 28 SILICIUM ANGEREICHERTEN BAUELEMENTSCHICHT AUF EINEM NICHT ANGEREICHERTEN SUBSTRAT UND BARRIERENÜBERGITTER UND ZUGEHÖRIGE VERFAHREN[2025/18]
English:SPIN-QUBIT SEMICONDUCTOR DEVICES WITH QUANTUM DOTS EMBEDDED IN A 28-SILICON ENRICHED DEVICE LAYER ON A NON-ENRICHED SUBSTRATE AND A BARRIER SUPERLATTICE AND RELATED METHODS[2025/18]
French:DISPOSITIFS À SEMI-CONDUCTEUR À POINTS QUANTIQUES INTÉGRÉS ET PROCÉDÉS ASSOCIÉS[2025/18]
Entry into regional phase19.12.2024National basic fee paid 
19.12.2024Designation fee(s) paid 
19.12.2024Examination fee paid 
Examination procedure20.08.2024Request for preliminary examination filed
International Preliminary Examining Authority: EP
19.12.2024Examination requested  [2025/18]
19.12.2024Date on which the examining division has become responsible
25.07.2025Amendment by applicant (claims and/or description)
Fees paidRenewal fee
15.05.2025Renewal fee patent year 03
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Cited inInternational search[Y] US6333516  (KATOH RIICHI et al.)
 [Y] JPH0997896  (NIPPON TELEGRAPH & TELEPHONE et al.)
 [Y] US2003052317  (OHSHIMA TOSHIO et al.)
 [Y] WO2022006396  (ATOMERA INC et al.)
 [Y] US7718996  (DUKOVSKI ILIJA et al.)
 [Y] WO2022006379  (ATOMERA INC et al.)
 [A] WO2017213638  (INTEL CORP et al.)
 [A] US2005199870  (GRAY ALLEN L et al.)
by applicantUS2003057416
 US2003034529
 US6472685
 US4937204
 US5357119
 US5683934
 US5216262
 US7105895
 GB2347520
 US6376337
 US2022344155
 US2022352322
   "Phenomena in silicon nanostructure devices", APPLIED PHYSICS AND MATERIALS SCIENCE & PROCESSING, 6 September 2000 (2000-09-06), pages 391 - 402
   LUO ET AL.: "Chemical Design of Direct-Gap Light-Emitting Silicon", PHYSICAL REVIEW LETTERS, vol. 89, no. 7, 12 August 2002 (2002-08-12), XP002314002, DOI: 10.1103/PhysRevLett.89.076802

DOI:   http://dx.doi.org/10.1103/PhysRevLett.89.076802
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