Status
Final Action Mailed
Requester
Requester Law Firm
Requested By
Third Party
Patent Owner
Patent Owner Law Firm
Reexam History (31 events)
Sep 9, 2026MRXFRRX - Mail Final Rejection
Aug 24, 2026RXC/SRCertificate of Service
Aug 24, 2026RXA...Response after Non-Final Action
Aug 18, 2026MRXD.RX - Mail Extension of Time Period for Response Denied
Jul 25, 2026RXRQ/TRequest for Extension of Time
Jul 25, 2026RXC/SRCertificate of Service
Jun 24, 2026MR.NFRX - Mail Reexam Non-Final Action
Jun 23, 2026PA..Change in Power of Attorney (May Include Associate POA)
May 11, 2026MRDRXRX - Mail Decision Merging Reexam and Reissue Proceedings -- Reexam
Mar 21, 2026RXFWDXDate Forwarded to Examiner
Jan 15, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 13, 2026IDSCInformation Disclosure Statement considered
Jan 12, 2026MRXNReexamination Formalities Notice Mailed
Jan 12, 2026MRXNReexamination Formalities Notice Mailed
Jan 12, 2026DOCKCase Docketed to Examiner in GAU
Jan 12, 2026COMPApplication Is Now Complete
Jan 11, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 11, 2026RXNREQFDNotice of reexamination request filing date
Jan 11, 2026RXNREQAUNotice of assignment of reexamination request
Jan 11, 2026RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Jan 11, 2026FTFIFITF set to NO - revise initial setting
Jan 6, 2026RXRLFReExam Litigation Found
Jan 6, 2026RXLITSRReexam Litigation Search Conducted
Jan 6, 2026PRXRParalegal Reexam Review Complete
Dec 11, 2025RXTTLRPTTitle Report
Dec 2, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 2, 2025RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Dec 2, 2025RXOSUB.RReexamination requested by third party requester
Dec 2, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Dec 2, 2025RXC/SRCertificate of Service
Dec 2, 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
Aug 7, 2012
3.5-yr
Feb 7, 2016
7.5-yr
Feb 7, 2020
Paid Jan 7, 2020
11.5-yr
Feb 7, 2024
Paid Jan 10, 2025
Expiry
Jan 17, 2030
Entity Status
Large Entity
Expires
Jan 17, 2030 (3.8 yr remaining)
Term Adjustment
+375 days (~1.0 yr)
Other
USPTO Event: Expire PatentUSPTO Event: Maintenance Fee Reminder MailedUSPTO Event: Petition to Accept Late Payment of Maintenance Fee Payment Filed
Assignments
AssignmentReel/Frame: 022074/0216Recorded: Jan 8, 2009
From
KDT CO., LTD.
Oct 15, 2008
→
To
LG INNOTEK CO., LTD.
AssignmentReel/Frame: 022074/0161Recorded: Jan 8, 2009
From
YOUNG-JOO AHNInventor
Oct 15, 2008
YOUNG-WOOK KOInventor
Oct 15, 2008
CHOONG-YONG SOHNInventor
Oct 15, 2008
→
To
KDT 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