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90/016,214FIN FIELD EFFECT TRANSISTOR9,379,215Open

Status

Reexam - Request Ready for Ex Parte Action

Filed

Apr 27, 2026

Last Updated

Aug 14, 2026

Art Unit

3991

Requester Law Firm

Kirkland & Ellis, LLP

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)

Aug 14, 2026RXFWDXDate Forwarded to Examiner
Jun 10, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
May 5, 2026DOCKCase Docketed to Examiner in GAU
May 1, 2026COMPApplication Is Now Complete
May 1, 2026MRXNReexamination Formalities Notice Mailed
May 1, 2026MRXNReexamination Formalities Notice Mailed
Apr 30, 2026RXRLFReExam Litigation Found
Apr 30, 2026RXLITSRReexam Litigation Search Conducted
Apr 30, 2026RXNREQAUNotice of assignment of reexamination request
Apr 30, 2026PRXRParalegal Reexam Review Complete
Apr 30, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 30, 2026RXNREQFDNotice of reexamination request filing date
Apr 29, 2026FTFIFITF set to NO - revise initial setting
Apr 28, 2026RXTTLRPTTitle Report
Apr 27, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Apr 27, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 27, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Apr 27, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Apr 27, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Apr 27, 2026RXC/SRCertificate of Service
Apr 27, 2026RXOSUB.RReexamination requested by third party requester

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

None found

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Jun 28, 2016
3.5-yr
Dec 28, 2019
Paid Dec 13, 2019
7.5-yr
Dec 28, 2023
Paid Dec 13, 2023
11.5-yr
Dec 28, 2027
Expiry
Dec 7, 2035

Entity Status

Large Entity

Expires

Dec 7, 2035 (9.6 yr remaining)

Assignments

201120122013201420152016201720182019202020212022FiledHUNG-TA LINHUNG-MING CHENCHU-YUN FUSHIN-YEH HUANGSHU-TINE YANGTAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.MOSAID TECHNOLOGIES INC.
AssignmentReel/Frame: 038631/0721Recorded: May 18, 2016

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.