90/015,690SEMICONDUCTOR DEVICE8,587,076Open

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

P.O. Law Firm

Michael J. Cherskov

Sector (CPC)

HElectrical & Electronic
H10Semiconductor Devices
H10DInorganic Semiconductor Devices

USPC

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

Reexam History (35 events)

Jan 13, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 9, 2025IDSCInformation Disclosure Statement considered
Dec 9, 2025IDSCInformation Disclosure Statement considered
Dec 9, 2025IDSCInformation Disclosure Statement considered
Dec 9, 2025IDSCInformation Disclosure Statement considered
Dec 3, 2025MRXNReexamination Formalities Notice Mailed
Dec 3, 2025MRXNReexamination Formalities Notice Mailed
Dec 3, 2025DOCKCase Docketed to Examiner in GAU
Dec 3, 2025COMPApplication Is Now Complete
Dec 2, 2025RXTTLRPTTitle Report
Dec 2, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Dec 2, 2025RXNREQFDNotice of reexamination request filing date
Dec 2, 2025RXNREQAUNotice of assignment of reexamination request
Nov 24, 2025RXRLFReExam Litigation Found
Nov 24, 2025RXLITSRReexam Litigation Search Conducted
Nov 24, 2025PRXRParalegal Reexam Review Complete
Nov 24, 2025FTFSFITF set to YES - revise initial setting
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, 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, 2025RXOSUB.RReexamination requested by third party requester
Nov 14, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Nov 14, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Nov 14, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Nov 14, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Nov 14, 2025RXC/SRCertificate of Service
Nov 14, 2025RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Nov 14, 2025RCCPRX - Concurrent Proceedings Notice
Nov 14, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-01093IPRDiscretionary Denial

Petitioner

United Microelectronics Corporation et al.

Petition Filed

Jun 6, 2025

Institution

Oct 10, 2025

Decision

Oct 10, 2025

Terminated

Oct 10, 2025

IPR2025-00831IPRDiscretionary 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 — ApprovedJul 1, 2013

Prosecution History

DateCodeDescription
Jul 1, 2013P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 1, 2013DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Nov 19, 2013
3.5-yr
May 19, 2017
7.5-yr
May 19, 2021
Paid May 5, 2021
11.5-yr
May 19, 2025
Paid May 12, 2025
Expiry
Jul 12, 2032

Entity Status

Large Entity

Expires

Jul 12, 2032 (6.3 yr remaining)

Assignments

201320142015201620172018201920202021202220232024FiledPANASONIC 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