90/015,899METHOD FOR MECHANICAL STRESS ENHANCEMENT IN SEMICONDUCTOR DEVICES9,349,655Open

Status

Non-Final Action Mailed

Filed

Jan 21, 2026

Last Updated

May 26, 2026

Art Unit

3991

Sector (CPC)

HElectrical & Electronic
H10Semiconductor Devices
H10DInorganic Semiconductor Devices

USPC

257Active Solid-State Devices (E.g., Transistors, Solid-State Diodes)

Reexam History (30 events)

May 26, 2026MR.NFRX - Mail Reexam Non-Final Action
May 6, 2026RXFWDXDate Forwarded to Examiner
Apr 6, 2026RXPET.Receipt of Petition in a Reexam
Apr 6, 2026RXC/SRCertificate of Service
Apr 2, 2026PA..Change in Power of Attorney (May Include Associate POA)
Mar 24, 2026RXPET.Receipt of Petition in a Reexam
Mar 24, 2026RXC/SRCertificate of Service
Mar 3, 2026MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Feb 18, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Feb 4, 2026DOCKCase Docketed to Examiner in GAU
Feb 2, 2026MRXNReexamination Formalities Notice Mailed
Feb 2, 2026MRXNReexamination Formalities Notice Mailed
Feb 2, 2026DOCKCase Docketed to Examiner in GAU
Feb 2, 2026COMPApplication Is Now Complete
Jan 30, 2026RXTTLRPTTitle Report
Jan 30, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 30, 2026RXNREQFDNotice of reexamination request filing date
Jan 30, 2026RXNREQAUNotice of assignment of reexamination request
Jan 23, 2026RXRLFReExam Litigation Found
Jan 23, 2026RXLITSRReexam Litigation Search Conducted
Jan 23, 2026PRXRParalegal Reexam Review Complete
Jan 23, 2026FTFIFITF set to NO - revise initial setting
Jan 21, 2026RXRLFReExam Litigation Found
Jan 21, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Jan 21, 2026RXOSUB.RReexamination requested by third party requester
Jan 21, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Jan 21, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jan 21, 2026RXC/SRCertificate of Service
Jan 21, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jan 21, 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 24, 2016
3.5-yr
Nov 24, 2019
Paid Nov 8, 2019
7.5-yr
Nov 24, 2023
Paid Nov 8, 2023
11.5-yr
Nov 24, 2027
Expiry
Nov 18, 2032

Entity Status

Large Entity

Expires

Nov 18, 2032 (6.6 yr remaining)

Term Adjustment

+1363 days (~3.7 yr)

Assignments

20092010201120122013201420152016201720182019202020212022FiledHARRY HAK-LAY CHUANGSHENG-CHEN CHUNGCARLOS H. DIAZYI-MING SHEUKONG-BENG THEIANSON WANGSHIN-PUU JENGHAO-YI TSAIHSIEN-WEI CHENTAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.MOSAID TECHNOLOGIES INC.
AssignmentReel/Frame: 022304/0273Recorded: Feb 24, 2009

From

HSIEN-WEI CHENInventor
Feb 19, 2009
HARRY HAK-LAY CHUANGInventor
Feb 13, 2009
SHENG-CHEN CHUNGInventor
Feb 13, 2009
CARLOS H. DIAZInventor
Feb 13, 2009
SHIN-PUU JENGInventor
Feb 17, 2009
YI-MING SHEUInventor
Feb 13, 2009
KONG-BENG THEIInventor
Feb 13, 2009
HAO-YI TSAIInventor
Feb 17, 2009
ANSON WANGInventor
Feb 13, 2009

To

TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.

AssignmentReel/Frame: 060024/0288Recorded: May 26, 2022

From

TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Apr 28, 2022

To

MOSAID TECHNOLOGIES INC.