ExamPat
← Back to reexams

90/015,704SEMICONDUCTOR DEVICE8,198,686Open

Status

Determination - Reexamination Ordered

Filed

Nov 20, 2025

Last Updated

Feb 10, 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 (29 events)

Feb 23, 2026RXPET.Receipt of Petition in a Reexam
Feb 23, 2026RXC/SRCertificate of Service
Feb 10, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 13, 2026IDSCInformation Disclosure Statement considered
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 3, 2025DOCKCase Docketed to Examiner in GAU
Dec 3, 2025DOCKCase Docketed to Examiner in GAU
Dec 2, 2025MRXNReexamination Formalities Notice Mailed
Dec 2, 2025MRXNReexamination Formalities Notice Mailed
Dec 2, 2025COMPApplication Is Now Complete
Dec 1, 2025RXTTLRPTTitle Report
Dec 1, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Dec 1, 2025RXNREQFDNotice of reexamination request filing date
Dec 1, 2025RXNREQAUNotice of assignment of reexamination request
Nov 21, 2025RXRLFReExam Litigation Found
Nov 21, 2025RXLITSRReexam Litigation Search Conducted
Nov 21, 2025PRXRParalegal Reexam Review Complete
Nov 21, 2025FTFIFITF set to NO - revise initial setting
Nov 20, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 20, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 20, 2025RXOSUB.RReexamination requested by third party requester
Nov 20, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Nov 20, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Nov 20, 2025RXC/SRCertificate of Service
Nov 20, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Nov 20, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-01091IPR — 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

IPR2025-00682IPR — Discretionary Denial

Petitioner

Taiwan Semiconductor Manufacturing Company Limited

Petition Filed

Mar 28, 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
Jun 12, 2012
3.5-yr
Dec 12, 2015
7.5-yr
Dec 12, 2019
Paid Dec 10, 2019
11.5-yr
Dec 12, 2023
Paid Nov 29, 2023
Expiry
Dec 11, 2029

Entity Status

Large Entity

Expires

Dec 11, 2029 (3.7 yr remaining)

Term Adjustment

+9 days (~0.0 yr)

Assignments

201020112012201320142015201620172018201920202021202220232024FiledYOSHIHIRO SATOHISASHI OGAWAPANASONIC CORPORATIONPANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.NUVOTON TECHNOLOGY CORPORATION JAPANADVANCED INTEGRATED CIRCUIT PROCESS LLC
AssignmentReel/Frame: 023849/0197Recorded: Jan 26, 2010

From

HISASHI OGAWAInventor
Nov 5, 2009
YOSHIHIRO SATOInventor
Nov 2, 2009
→

To

PANASONIC CORPORATION

AssignmentReel/Frame: 053570/0429Recorded: Aug 24, 2020

From

PANASONIC CORPORATION
Aug 17, 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