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90/015,674SEMICONDUCTOR DEVICE8,907,425Open

Status

Determination - Reexamination Ordered

Filed

Nov 12, 2025

Last Updated

Feb 12, 2026

Art Unit

3992

Requester Law Firm

Unknown

Requested By

Third Party

Sector (CPC)

HElectrical & Electronic
H10Semiconductor Devices
H10DInorganic Semiconductor Devices

USPC

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

Reexam History (25 events)

Feb 12, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 10, 2025PA..Change in Power of Attorney (May Include Associate POA)
Dec 9, 2025RXC.ADCorrespondence Address Change
Dec 8, 2025RXPA..Change in Power of Attorney (May Include Associate POA)
Dec 8, 2025RXC/SRCertificate of Service
Dec 1, 2025IDSCInformation Disclosure Statement considered
Nov 17, 2025DOCKCase Docketed to Examiner in GAU
Nov 14, 2025MRXNReexamination Formalities Notice Mailed
Nov 14, 2025MRXNReexamination Formalities Notice Mailed
Nov 14, 2025COMPApplication Is Now Complete
Nov 13, 2025RXTTLRPTTitle Report
Nov 13, 2025RXRLFReExam Litigation Found
Nov 13, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Nov 13, 2025RXNREQFDNotice of reexamination request filing date
Nov 13, 2025RXNREQAUNotice of assignment of reexamination request
Nov 13, 2025RXLITSRReexam Litigation Search Conducted
Nov 13, 2025PRXRParalegal Reexam Review Complete
Nov 13, 2025FTFIFITF set to NO - revise initial setting
Nov 12, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 12, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 12, 2025RXOSUB.RReexamination requested by third party requester
Nov 12, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Nov 12, 2025RXC/SRCertificate of Service
Nov 12, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Nov 12, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-01090IPR — Discretionary Denial

Petitioner

United Microelectronics Corporation et al.

Petition Filed

Jun 6, 2025

Institution

Oct 10, 2025

Decision

Oct 10, 2025

Terminated

Oct 10, 2025

IPR2025-00683IPR — Discretionary Denial

Petitioner

Taiwan Semiconductor Manufacturing Company Limited

Petition Filed

Mar 26, 2025

Institution

Aug 14, 2025

Decision

Aug 14, 2025

Terminated

Aug 14, 2025

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Dec 9, 2014
3.5-yr
Jun 9, 2018
Paid May 30, 2018
7.5-yr
Jun 9, 2022
Paid May 25, 2022
11.5-yr
Jun 9, 2026
Expiry
Jul 20, 2032

Entity Status

Large Entity

Expires

Jul 20, 2032 (6.3 yr remaining)

Term Adjustment

+30 days (~0.1 yr)

Assignments

201320142015201620172018201920202021202220232024FiledSATORU ITOUTOSHIE KUTSUNAIPANASONIC CORPORATIONPANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.NUVOTON TECHNOLOGY CORPORATION JAPANADVANCED INTEGRATED CIRCUIT PROCESS LLC
AssignmentReel/Frame: 029009/0317Recorded: Sep 24, 2012

From

SATORU ITOUInventor
May 17, 2012
TOSHIE KUTSUNAIInventor
May 21, 2012
→

To

PANASONIC CORPORATION

AssignmentReel/Frame: 052755/0917Recorded: May 27, 2020

From

PANASONIC CORPORATION
May 21, 2020
→

To

PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.

Name ChangeReel/Frame: 067711/0965Recorded: Jun 12, 2024

From

PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
Mar 19, 2024
→

To

NUVOTON TECHNOLOGY CORPORATION JAPAN

AssignmentReel/Frame: 068118/0314Recorded: Jul 30, 2024

From

NUVOTON TECHNOLOGY CORPORATION JAPAN
Jul 30, 2024
→

To

ADVANCED INTEGRATED CIRCUIT PROCESS LLC