90/016,329METHOD FOR PRODUCING A 3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH MEMORY CELLS AND MULTIPLE METAL LAYERS11,862,503Open

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 (30 events)

Jul 21, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 14, 2026MRILDRX - Mail Improper Letter Destroyed
Jul 7, 2026RXC/SRCertificate of Service
Jul 7, 2026RXPET.Receipt of Petition in a Reexam
Jun 26, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jun 22, 2026RXPA..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, 2026COMPApplication Is Now Complete
Jun 8, 2026MRXNReexamination Formalities Notice Mailed
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
Jun 5, 2026RXTTLRPTTitle Report
May 27, 2026RXRLFReExam Litigation Found
May 27, 2026PRXRParalegal Reexam Review Complete
May 27, 2026FTFIFITF set to NO - revise initial setting
May 27, 2026RXLITSRReexam Litigation Search Conducted
May 21, 2026RXOSUB.RReexamination requested by third party requester
May 21, 2026WIDSInformation Disclosure Statement (IDS) Filed
May 21, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
May 21, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
May 21, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
May 21, 2026RCCPRX - Concurrent Proceedings Notice
May 21, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
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, 2026RXC/SRCertificate of Service
May 21, 2026RXRLFReExam Litigation Found
May 21, 2026WIDSInformation Disclosure Statement (IDS) Filed

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

None found

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedApr 28, 2023

Prosecution History

DateCodeDescription
Apr 28, 2023P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Apr 28, 2023DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Jan 2, 2024
3.5-yr
Jul 2, 2027
7.5-yr
Jul 2, 2031
11.5-yr
Jul 2, 2035
Expiry
May 20, 2043

Entity Status

Small Entity

Expires

May 20, 2043 (17 yr remaining)

Term Adjustment

+102 days (~0.3 yr)

Assignments

Feb 2023Mar 2023FiledBRIAN CRONQUISTZVI OR-BACHDEEPAK SEKARMONOLITHIC 3D INC.
AssignmentReel/Frame: 063465/0851Recorded: Apr 27, 2023

From

BRIAN CRONQUISTInventor
Feb 6, 2023
ZVI OR-BACHInventor
Feb 6, 2023
DEEPAK SEKARInventor
Feb 7, 2023

To

MONOLITHIC 3D INC.