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90/016,0993D NAND MEMORY DEVICE AND METHOD OF FORMING THE SAME12,068,250Open

Status

Determination - Reexamination Ordered

Filed

Mar 30, 2026

Last Updated

May 8, 2026

Art Unit

3991

Requested By

Third Party

Patent Owner(via USPTO assignment records)

Yangtze Memory Technologies Co., Ltd.

Patent Owner Law Firm

Owner hasn't filed yet

Sector (CPC)

HElectrical & Electronic
H01Electrical Components
H01LSemiconductor Devices

USPC

257Active Solid-State Devices (E.g., Transistors, Solid-State Diodes)

Reexam History (33 events)

Sep 29, 2026WIDSInformation Disclosure Statement (IDS) Filed
Sep 29, 2026WIDSInformation Disclosure Statement (IDS) Filed
Sep 29, 2026RXIDS.Information Disclosure Statement Filed
Sep 29, 2026RXC/SRCertificate of Service
Jul 22, 2026RXPET.Receipt of Petition in a Reexam
Jul 22, 2026RXNOCANotice of Court Action
Jul 22, 2026RXC/SRCertificate of Service
Jul 22, 2026RCCPRX - Concurrent Proceedings Notice
Jul 8, 2026RXPET.Receipt of Petition in a Reexam
Jul 8, 2026RXC/SRCertificate of Service
Jun 9, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jun 8, 2026RXC/SRCertificate of Service
May 8, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Apr 6, 2026DOCKCase Docketed to Examiner in GAU
Apr 3, 2026MRXNReexamination Formalities Notice Mailed
Apr 3, 2026MRXNReexamination Formalities Notice Mailed
Apr 3, 2026COMPApplication Is Now Complete
Apr 2, 2026RXTTLRPTTitle Report
Apr 2, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 2, 2026RXNREQFDNotice of reexamination request filing date
Apr 2, 2026RXNREQAUNotice of assignment of reexamination request
Mar 31, 2026RXRLFReExam Litigation Found
Mar 31, 2026RXLITSRReexam Litigation Search Conducted
Mar 31, 2026PRXRParalegal Reexam Review Complete
Mar 31, 2026FTFSFITF set to YES - revise initial setting
Mar 30, 2026RXRLFReExam Litigation Found
Mar 30, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Mar 30, 2026RXOSUB.RReexamination requested by third party requester
Mar 30, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Mar 30, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Mar 30, 2026RXC/SRCertificate of Service
Mar 30, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Mar 30, 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
Aug 20, 2024
3.5-yr
Feb 20, 2028
7.5-yr
Feb 20, 2032
11.5-yr
Feb 20, 2036
Expiry
Jun 21, 2042

Entity Status

Large Entity

Expires

Jun 21, 2042 (16.2 yr remaining)

Term Adjustment

+62 days (~0.2 yr)

Assignments

None found