90/015,688SEMICONDUCTOR DEVICE8,253,180Open

Status

Determination - Reexamination Ordered

Filed

Nov 14, 2025

Last Updated

Jan 13, 2026

Art Unit

3991

Requester

Unknown

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 (27 events)

Mar 13, 2026RXPET.Receipt of Petition in a Reexam
Mar 13, 2026RXC/SRCertificate of Service
Jan 23, 2026MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Jan 13, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 9, 2025PA..Change in Power of Attorney (May Include Associate POA)
Dec 1, 2025RXRLFReExam Litigation Found
Dec 1, 2025RXLITSRReexam Litigation Search Conducted
Nov 25, 2025DOCKCase Docketed to Examiner in GAU
Nov 24, 2025MRXNReexamination Formalities Notice Mailed
Nov 24, 2025MRXNReexamination Formalities Notice Mailed
Nov 24, 2025COMPApplication Is Now Complete
Nov 21, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Nov 21, 2025RXNREQFDNotice of reexamination request filing date
Nov 21, 2025RXNREQAUNotice of assignment of reexamination request
Nov 20, 2025PRXRParalegal Reexam Review Complete
Nov 20, 2025FTFIFITF set to NO - revise initial setting
Nov 18, 2025RXTTLRPTTitle Report
Nov 14, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 14, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 14, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 14, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 14, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 14, 2025RXRLFReExam Litigation Found
Nov 14, 2025RXOSUB.RReexamination requested by third party requester
Nov 14, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Nov 14, 2025RXC/SRCertificate of Service
Nov 14, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-01092IPRDiscretionary Denial

Petitioner

United Microelectronics Corporation et al.

Petition Filed

Jun 6, 2025

Institution

Oct 10, 2025

Decision

Oct 10, 2025

Terminated

Oct 10, 2025

IPR2025-00830IPRDiscretionary Denial

Petitioner

Taiwan Semiconductor Manufacturing Company Ltd.

Petition Filed

Apr 15, 2025

Institution

Sep 3, 2025

Decision

Sep 3, 2025

Terminated

Sep 3, 2025

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedNov 17, 2011

Prosecution History

DateCodeDescription
Nov 28, 2011P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Nov 17, 2011DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Aug 28, 2012
3.5-yr
Feb 28, 2016
7.5-yr
Feb 28, 2020
Paid Feb 18, 2020
11.5-yr
Feb 28, 2024
Paid Feb 14, 2024
Expiry
Mar 1, 2031

Entity Status

Large Entity

Expires

Mar 1, 2031 (4.9 yr remaining)

Assignments

20112012201320142015201620172018201920202021202220232024FiledPANASONIC CORPORATIONPANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.NUVOTON TECHNOLOGY CORPORATION JAPANADVANCED INTEGRATED CIRCUIT PROCESS LLC
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