90/016,232FINFET AND METHOD OF FABRICATING THE SAME8,440,517Open

Status

Determination - Reexamination Ordered

Filed

May 1, 2026

Last Updated

Jun 24, 2026

Art Unit

3991

Requester Law Firm

Kirkland & Ellis, LLP

Requested By

Third Party

Sector (CPC)

HElectrical & Electronic
H10Semiconductor Devices
H10DInorganic Semiconductor Devices

USPC

438Semiconductor Device Manufacturing: Process

Reexam History (21 events)

Jun 24, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
May 20, 2026PA..Change in Power of Attorney (May Include Associate POA)
May 11, 2026MRXNReexamination Formalities Notice Mailed
May 11, 2026MRXNReexamination Formalities Notice Mailed
May 11, 2026DOCKCase Docketed to Examiner in GAU
May 11, 2026COMPApplication Is Now Complete
May 8, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
May 8, 2026RXNREQFDNotice of reexamination request filing date
May 8, 2026RXNREQAUNotice of assignment of reexamination request
May 8, 2026FTFIFITF set to NO - revise initial setting
May 5, 2026PRXRParalegal Reexam Review Complete
May 4, 2026RXTTLRPTTitle Report
May 4, 2026RXRLFReExam Litigation Found
May 4, 2026RXLITSRReexam Litigation Search Conducted
May 1, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
May 1, 2026RXOSUB.RReexamination requested by third party requester
May 1, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
May 1, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
May 1, 2026RXC/SRCertificate of Service
May 1, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
May 1, 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

None found

Prosecution History

None found

Maintenance Fees

Grant
May 14, 2013
3.5-yr
Nov 14, 2016
7.5-yr
Nov 14, 2020
Paid Sep 30, 2020
11.5-yr
Nov 14, 2024
Paid Oct 30, 2024
Expiry
Sep 3, 2031

Entity Status

Large Entity

Expires

Sep 3, 2031 (5.3 yr remaining)

Term Adjustment

+325 days (~0.9 yr)

Assignments

201120122013201420152016201720182019202020212022FiledHUNG-TA LINHUNG-MING CHENCHU-YUN FUSHIN-YEH HUANGSHU-TINE YANGTAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.MOSAID TECHNOLOGIES INC.
AssignmentReel/Frame: 025133/0173Recorded: Oct 13, 2010

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.