90/016,213FIN FIELD EFFECT TRANSISTOR9,209,300Open

Status

Determination - Reexamination Ordered

Filed

Apr 27, 2026

Last Updated

Jun 10, 2026

Art Unit

3991

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 (21 events)

Jun 10, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
May 20, 2026PA..Change in Power of Attorney (May Include Associate POA)
May 5, 2026DOCKCase Docketed to Examiner in GAU
May 1, 2026MRXNReexamination Formalities Notice Mailed
May 1, 2026MRXNReexamination Formalities Notice Mailed
May 1, 2026COMPApplication Is Now Complete
Apr 30, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 30, 2026RXNREQFDNotice of reexamination request filing date
Apr 30, 2026RXNREQAUNotice of assignment of reexamination request
Apr 30, 2026FTFIFITF set to NO - revise initial setting
Apr 29, 2026PRXRParalegal Reexam Review Complete
Apr 27, 2026RXTTLRPTTitle Report
Apr 27, 2026RXRLFReExam Litigation Found
Apr 27, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Apr 27, 2026RXOSUB.RReexamination requested by third party requester
Apr 27, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 27, 2026RXLITSRReexam Litigation Search Conducted
Apr 27, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Apr 27, 2026RXC/SRCertificate of Service
Apr 27, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Apr 27, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

None found

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedJun 9, 2015

Prosecution History

DateCodeDescription
Aug 2, 2015P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jun 9, 2015DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Dec 8, 2015
3.5-yr
Jun 8, 2019
Paid May 23, 2019
7.5-yr
Jun 8, 2023
Paid May 18, 2023
11.5-yr
Jun 8, 2027
Expiry
Jul 22, 2034

Entity Status

Large Entity

Expires

Jul 22, 2034 (8.2 yr remaining)

Assignments

201120122013201420152016201720182019202020212022FiledHUNG-TA LINHUNG-MING CHENCHU-YUN FUSHIN-YEH HUANGSHU-TINE YANGTAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.MOSAID TECHNOLOGIES INC.
AssignmentReel/Frame: 033362/0595Recorded: Jul 22, 2014

From

HUNG-MING CHENInventor
Oct 13, 2010
CHU-YUN FUInventor
Oct 13, 2010
SHIN-YEH HUANGInventor
Oct 13, 2010
HUNG-TA LINInventor
Oct 12, 2010
SHU-TINE YANGInventor
Oct 13, 2010

To

TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.

AssignmentReel/Frame: 060024/0698Recorded: May 26, 2022

From

TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
May 3, 2022

To

MOSAID TECHNOLOGIES INC.