90/016,328METHODS FOR PRODUCING A 3D SEMICONDUCTOR MEMORY DEVICE AND STRUCTURE11,342,214Open

Status

Determination - Reexamination Ordered

Filed

May 21, 2026

Last Updated

Jul 21, 2026

Art Unit

3991

Requester

SK Hynix Inc.

Requester Law Firm

Desmarais, LLP

Requested By

Third Party

Patent Owner

Monolithic 3D Inc.

Sector (CPC)

GPhysics & Instruments
G11Information Storage
G11CStatic Stores

USPC

438Semiconductor Device Manufacturing: Process

Reexam History (27 events)

Jul 21, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 14, 2026MRILDRX - Mail Improper Letter Destroyed
Jul 7, 2026RXPET.Receipt of Petition in a Reexam
Jul 7, 2026RXC/SRCertificate of Service
Jun 26, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jun 9, 2026DOCKCase Docketed to Examiner in GAU
Jun 8, 2026MRXNReexamination Formalities Notice Mailed
Jun 8, 2026MRXNReexamination Formalities Notice Mailed
Jun 8, 2026COMPApplication Is Now Complete
Jun 5, 2026RXTTLRPTTitle Report
Jun 5, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jun 5, 2026RXNREQFDNotice of reexamination request filing date
Jun 5, 2026RXNREQAUNotice of assignment of reexamination request
May 27, 2026RXLITSRReexam Litigation Search Conducted
May 27, 2026PRXRParalegal Reexam Review Complete
May 27, 2026FTFIFITF set to NO - revise initial setting
May 21, 2026WIDSInformation Disclosure Statement (IDS) Filed
May 21, 2026RXRLFReExam Litigation Found
May 21, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
May 21, 2026RXOSUB.RReexamination requested by third party requester
May 21, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
May 21, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
May 21, 2026RXC/SRCertificate of Service
May 21, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
May 21, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
May 21, 2026RCCPRX - Concurrent Proceedings Notice
May 21, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

None found

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
May 24, 2022
3.5-yr
Nov 24, 2025
Paid Jun 14, 2025
7.5-yr
Nov 24, 2029
11.5-yr
Nov 24, 2033
Expiry
Mar 10, 2042

Entity Status

Small Entity

Expires

Mar 10, 2042 (15.8 yr remaining)

Assignments

Mar 2022Apr 2022FiledBRIAN CRONQUISTZVI OR-BACHDEEPAK SEKARMONOLITHIC 3D INC.
AssignmentReel/Frame: 063786/0782Recorded: May 30, 2023

From

BRIAN CRONQUISTInventor
Mar 10, 2022
ZVI OR-BACHInventor
Mar 10, 2022
DEEPAK SEKARInventor
Mar 10, 2022

To

MONOLITHIC 3D INC.