90/015,768LIGHTING MODULE, BACKLIGHT UNIT, AND DISPLAY DEVICE INCLUDING THE SAME8,562,200Closed

Status

Request for Reexamination Denied

Filed

Dec 10, 2025

Last Updated

Feb 5, 2026

Examiner

Woo H Choi

Art Unit

3992

Requester Law Firm

Unknown

Requested By

Third Party

Patent OwnerInferred

Light Guide Innovations LLC

Sector (CPC)

GPhysics & Instruments
G02Optics
G02BOptical Elements

USPC

362Illumination

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

20112012201320142015201620172018201920202021202220232024FiledJUN SEOK PARKLG INNOTEK CO., LTD.SUZHOU LEKIN SEMICONDUCTOR CO., LTD.LIGHT GUIDE INNOVATIONS LLC
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