90/016,390THREE-DIMENSIONAL MEMORY DEVICE AND METHOD FOR FORMING THE SAME11,233,066Open

Status

Determination - Reexamination Ordered

Filed

Jun 10, 2026

Last Updated

Aug 4, 2026

Art Unit

3991

Requester

Unknown

Requested By

Third Party

Sector (CPC)

HElectrical & Electronic
H10Semiconductor Devices
H10BElectronic Memory Devices

USPC

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

Reexam History (29 events)

Aug 7, 2026RXPTDIReexam Petition Decision - Dismissed
Aug 4, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 24, 2026RXPET.Receipt of Petition in a Reexam
Jul 24, 2026RXC/SRCertificate of Service
Jul 17, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jul 16, 2026RXC.ADCorrespondence Address Change
Jul 13, 2026RXC/SRCertificate of Service
Jul 13, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Jul 10, 2026RXC/SRCertificate of Service
Jun 26, 2026DOCKCase Docketed to Examiner in GAU
Jun 25, 2026RXRLFReExam Litigation Found
Jun 25, 2026RXLITSRReexam Litigation Search Conducted
Jun 22, 2026COMPApplication Is Now Complete
Jun 22, 2026MRXNReexamination Formalities Notice Mailed
Jun 22, 2026MRXNReexamination Formalities Notice Mailed
Jun 18, 2026FTFSFITF set to YES - revise initial setting
Jun 18, 2026RXTTLRPTTitle Report
Jun 18, 2026RXNREQAUNotice of assignment of reexamination request
Jun 18, 2026RXNREQFDNotice of reexamination request filing date
Jun 18, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jun 18, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Jun 15, 2026PRXRParalegal Reexam Review Complete
Jun 10, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Jun 10, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jun 10, 2026RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Jun 10, 2026RXOSUB.RReexamination requested by third party requester
Jun 10, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Jun 10, 2026RXC/SRCertificate of Service
Jun 10, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester

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
Jan 25, 2022
3.5-yr
Jul 25, 2025
Paid Jun 18, 2025
7.5-yr
Jul 25, 2029
11.5-yr
Jul 25, 2033
Expiry
Jul 14, 2040

Entity Status

Large Entity

Expires

Jul 14, 2040 (14.1 yr remaining)

Term Adjustment

+47 days (~0.1 yr)

Assignments

May 2020Jun 2020FiledLINCHUN WUWENXI ZHOUYANGTZE MEMORY TECHNOLOGIES CO., LTD.
AssignmentReel/Frame: 052785/0951Recorded: May 29, 2020

From

LINCHUN WUInventor
Apr 14, 2020
WENXI ZHOUInventor
Apr 14, 2020

To

YANGTZE MEMORY TECHNOLOGIES CO., LTD.