Status
Request for Reexamination Denied
Requester
Requester Law Firm
Unknown
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (26 events)
Feb 5, 2026MREXDRX - Mail Ex Parte Request for Reexamination Denied
Jan 15, 2026COMPApplication Is Now Complete
Jan 15, 2026MRXNReexamination Formalities Notice Mailed
Jan 15, 2026MRXNReexamination Formalities Notice Mailed
Jan 14, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 14, 2026RXRLFReExam Litigation Found
Jan 14, 2026SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Jan 14, 2026SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Jan 14, 2026RXLITSRReexam Litigation Search Conducted
Jan 14, 2026DOCKCase Docketed to Examiner in GAU
Jan 14, 2026RXNREQAUNotice of assignment of reexamination request
Jan 14, 2026RXNREQFDNotice of reexamination request filing date
Jan 14, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Jan 14, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Jan 14, 2026MR327RX - Mail Miscellaneous Communication to Applicant
Dec 17, 2025MRICRRX - Mail Notice of Incomplete Ex Parte Reexam Request
Dec 15, 2025FTFIFITF set to NO - revise initial setting
Dec 15, 2025PRXRParalegal Reexam Review Complete
Dec 13, 2025RXTTLRPTTitle Report
Dec 10, 2025RXRLFReExam Litigation Found
Dec 10, 2025RCCPRX - Concurrent Proceedings Notice
Dec 10, 2025RXC/SRCertificate of Service
Dec 10, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Dec 10, 2025RXOSUB.RReexamination requested by third party requester
Dec 10, 2025RXOSUB.RReexamination requested by third party requester
Dec 10, 2025BIG.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
Oct 22, 2013
3.5-yr
Apr 22, 2017
Paid Sep 13, 2018
7.5-yr
Apr 22, 2021
Paid Mar 18, 2021
11.5-yr
Apr 22, 2025
Paid Apr 22, 2025
Expiry
Jun 28, 2031
Entity Status
Large Entity
Expires
Jun 28, 2031 (5.3 yr remaining)
Term Adjustment
+412 days (~1.1 yr)
Other
USPTO Event: Expire PatentUSPTO Event: Petition to Accept Late Payment of Maintenance Fee Payment Filed
Assignments
AssignmentReel/Frame: 024371/0490Recorded: May 12, 2010
From
JUN SEOK PARKInventor
May 10, 2010
→
To
LG INNOTEK CO., LTD.
AssignmentReel/Frame: 056366/0335Recorded: May 25, 2021
From
LG INNOTEK CO., LTD.
May 20, 2021
→
To
SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
AssignmentReel/Frame: 067949/0047Recorded: Jul 10, 2024
From
SUZHOU LEKIN SEMICONDUCTOR CO., LTD.
Jun 25, 2024
→
To
LIGHT GUIDE INNOVATIONS LLC