90/016,205BOOSTER CIRCUIT7,777,557Open

Status

Determination - Reexamination Ordered

Filed

Apr 23, 2026

Last Updated

Jul 22, 2026

Examiner

My Trang Ton

Art Unit

3992

Requester

Unknown

Requester Law Firm

Unknown

Requested By

Third Party

Sector (CPC)

HElectrical & Electronic
H02Power Generation & Distribution
H02MPower Conversion

USPC

327Miscellaneous Active Electrical Nonlinear Devices, Circuits, And Systems

Reexam History (22 events)

Jul 22, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jun 18, 2026IDSCInformation Disclosure Statement considered
Jun 17, 2026RXLITSRReexam Litigation Search Conducted
Jun 17, 2026RXRLFReExam Litigation Found
May 4, 2026PA..Change in Power of Attorney (May Include Associate POA)
Apr 27, 2026MRXNReexamination Formalities Notice Mailed
Apr 27, 2026DOCKCase Docketed to Examiner in GAU
Apr 27, 2026COMPApplication Is Now Complete
Apr 27, 2026MRXNReexamination Formalities Notice Mailed
Apr 24, 2026RXNREQAUNotice of assignment of reexamination request
Apr 24, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 24, 2026FTFIFITF set to NO - revise initial setting
Apr 24, 2026RXNREQFDNotice of reexamination request filing date
Apr 23, 2026PRXRParalegal Reexam Review Complete
Apr 23, 2026RXC/SRCertificate of Service
Apr 23, 2026RXTTLRPTTitle Report
Apr 22, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Apr 22, 2026WIDSInformation Disclosure Statement (IDS) Filed
Apr 22, 2026WIDSInformation Disclosure Statement (IDS) Filed
Apr 22, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 22, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Apr 22, 2026RXOSUB.RReexamination requested by third party requester

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-01452IPRDiscretionary Denial

Petitioner

SK hynix Inc.

Petition Filed

Aug 29, 2025

Institution

Jan 9, 2026

Decision

Jan 9, 2026

Terminated

Jan 9, 2026

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Aug 17, 2010
3.5-yr
Feb 17, 2014
7.5-yr
Feb 17, 2018
Paid Feb 1, 2018
11.5-yr
Feb 17, 2022
Paid Feb 2, 2022
Expiry
Jun 12, 2028

Entity Status

Large Entity

Expires

Jun 12, 2028 (2.1 yr remaining)

Term Adjustment

+147 days (~0.4 yr)

Assignments

20082009201020112012201320142015201620172018201920202021202220232024FiledSEIJI YAMAHIRAMATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.PANASONIC CORPORATIONPANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.NUVOTON TECHNOLOGY CORPORATION JAPANADVANCED MEMORY TECHNOLOGIES LLC
AssignmentReel/Frame: 021034/0634Recorded: Jun 3, 2008

From

SEIJI YAMAHIRAInventor
Jan 7, 2008

To

MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.

Name ChangeReel/Frame: 021897/0516Recorded: Nov 20, 2008

From

MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Oct 1, 2008

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: 066849/0802Recorded: Mar 20, 2024

From

PANASONIC SEMICONDUCTOR SOLUTIONS CO., LTD.
Sep 2, 2020

To

NUVOTON TECHNOLOGY CORPORATION JAPAN

AssignmentReel/Frame: 067184/0869Recorded: Apr 22, 2024

From

NUVOTON TECHNOLOGY CORPORATION JAPAN
Mar 25, 2024

To

ADVANCED MEMORY TECHNOLOGIES LLC