90/016,448CONTROL METHOD AND CONTROLLER OF 3D NAND FLASH12,254,925Open

Status

Reexam Assigned to Examiner for Determination

Filed

Jul 6, 2026

Last Updated

Jul 16, 2026

Art Unit

3992

Requested By

Third Party

P.O. Law Firm

Bayes, PLLC

Sector (CPC)

GPhysics & Instruments
G11Information Storage
G11CStatic Stores

USPC

365Static Information Storage And Retrieval

Reexam History (19 events)

Jul 16, 2026DOCKCase Docketed to Examiner in GAU
Jul 10, 2026MRXNReexamination Formalities Notice Mailed
Jul 10, 2026COMPApplication Is Now Complete
Jul 10, 2026MRXNReexamination Formalities Notice Mailed
Jul 9, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jul 9, 2026RXTTLRPTTitle Report
Jul 9, 2026RXNREQFDNotice of reexamination request filing date
Jul 9, 2026FTFSFITF set to YES - revise initial setting
Jul 9, 2026RXNREQAUNotice of assignment of reexamination request
Jul 6, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Jul 6, 2026RXOSUB.RReexamination requested by third party requester
Jul 6, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Jul 6, 2026WIDSInformation Disclosure Statement (IDS) Filed
Jul 6, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jul 6, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Jul 6, 2026PRXRParalegal Reexam Review Complete
Jul 6, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jul 6, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jul 6, 2026RXRLFReExam Litigation Found

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

None found

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedNov 6, 2024

Prosecution History

DateCodeDescription
Nov 6, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Nov 6, 2024DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Mar 18, 2025
3.5-yr
Sep 18, 2028
7.5-yr
Sep 18, 2032
11.5-yr
Sep 18, 2036
Expiry
Feb 28, 2044

Entity Status

Large Entity

Expires

Feb 28, 2044 (17.6 yr remaining)

Assignments

2021202220232024FiledYING HUANGHONGTAO LIUQIGUANG WANGWENZHE WEIYANGTZE MEMORY TECHNOLOGIES CO., LTD.
AssignmentReel/Frame: 066591/0172Recorded: Feb 28, 2024

From

YING HUANGInventor
Apr 14, 2020
HONGTAO LIUInventor
Apr 14, 2020
QIGUANG WANGInventor
Apr 14, 2020
WENZHE WEIInventor
Apr 14, 2020

To

YANGTZE MEMORY TECHNOLOGIES CO., LTD.