Status
Reexam - Request Ready for Ex Parte Action
Requester
Requester Law Firm
Unknown
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (22 events)
Jun 9, 2026RXFWDXDate Forwarded to Examiner
Mar 31, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Mar 2, 2026MRXNReexamination Formalities Notice Mailed
Mar 2, 2026MRXNReexamination Formalities Notice Mailed
Mar 2, 2026DOCKCase Docketed to Examiner in GAU
Mar 2, 2026COMPApplication Is Now Complete
Feb 27, 2026SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Feb 27, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Feb 27, 2026RXNREQFDNotice of reexamination request filing date
Feb 27, 2026RXNREQAUNotice of assignment of reexamination request
Feb 24, 2026RXTTLRPTTitle Report
Feb 4, 2026WIDSInformation Disclosure Statement (IDS) Filed
Feb 4, 2026WIDSInformation Disclosure Statement (IDS) Filed
Feb 4, 2026RXOSUB.RReexamination requested by third party requester
Feb 4, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Feb 4, 2026RXLITSRReexam Litigation Search Conducted
Feb 4, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Feb 4, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Feb 4, 2026RXC/SRCertificate of Service
Feb 4, 2026PRXRParalegal Reexam Review Complete
Feb 4, 2026FTFSFITF set to YES - revise initial setting
Feb 4, 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
Apr 10, 2018
3.5-yr
Oct 10, 2021
Paid Oct 8, 2021
7.5-yr
Oct 10, 2025
Paid Jul 29, 2025
11.5-yr
Oct 10, 2029
Expiry
Dec 20, 2037
Entity Status
Small Entity
Expires
Dec 20, 2037 (11.7 yr remaining)
Assignments
AssignmentReel/Frame: 044460/0292Recorded: Dec 21, 2017
From
WEN-CHI PENGInventor
Dec 14, 2017
→
To
SEMISILICON TECHNOLOGY CORP.