90/015,633LIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME7,922,380Open

Status

Response after Non-Final Action Entered (or Ready for Examiner Action)

Filed

Oct 24, 2025

Last Updated

Jul 21, 2026

Art Unit

3992

Requester Law Firm

Unknown

Requested By

Third Party

Sector (CPC)

GPhysics & Instruments
G02Optics
G02BOptical Elements

USPC

362Illumination

Reexam History (30 events)

Jul 21, 2026RXC/SRCertificate of Service
Jul 21, 2026RXA...Response after Non-Final Action
Jun 25, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jun 25, 2026MRXG.RX - Mail Extension of Time Period for Response Granted
Jun 24, 2026RXC.ADCorrespondence Address Change
Jun 22, 2026RXPET.Receipt of Petition in a Reexam
Jun 22, 2026RXC/SRCertificate of Service
Jun 22, 2026RXC/SRCertificate of Service
May 17, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Apr 21, 2026MR.NFRX - Mail Reexam Non-Final Action
Mar 1, 2026RXFWDXDate Forwarded to Examiner
Dec 12, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Nov 19, 2025MRXNReexamination Formalities Notice Mailed
Nov 19, 2025MRXNReexamination Formalities Notice Mailed
Nov 19, 2025DOCKCase Docketed to Examiner in GAU
Nov 19, 2025COMPApplication Is Now Complete
Nov 18, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Nov 18, 2025RXNREQFDNotice of reexamination request filing date
Nov 18, 2025RXNREQAUNotice of assignment of reexamination request
Nov 18, 2025FTFIFITF set to NO - revise initial setting
Nov 13, 2025RXRLFReExam Litigation Found
Nov 13, 2025RXLITSRReexam Litigation Search Conducted
Nov 13, 2025PRXRParalegal Reexam Review Complete
Nov 9, 2025RXTTLRPTTitle Report
Oct 24, 2025WIDSInformation Disclosure Statement (IDS) Filed
Oct 24, 2025RXOSUB.RReexamination requested by third party requester
Oct 24, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Oct 24, 2025RXC/SRCertificate of Service
Oct 24, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Oct 24, 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
Apr 12, 2011
3.5-yr
Oct 12, 2014
7.5-yr
Oct 12, 2018
Paid Sep 20, 2018
11.5-yr
Oct 12, 2022
Paid May 10, 2024
Expiry
Feb 6, 2029

Entity Status

Large Entity

Expires

Feb 6, 2029 (2.9 yr remaining)

Term Adjustment

+93 days (~0.3 yr)

Other

USPTO Event: Expire PatentUSPTO Event: Maintenance Fee Reminder MailedUSPTO Event: Petition to Accept Late Payment of Maintenance Fee Payment Filed

Assignments

2009201020112012201320142015201620172018201920202021202220232024FiledDONG WOOK PARKLG INNOTEK CO., LTD.SUZHOU LEKIN SEMICONDUCTOR CO., LTD.LIGHT GUIDE INNOVATIONS LLC
AssignmentReel/Frame: 021812/0840Recorded: Nov 10, 2008

From

DONG WOOK PARKInventor
Nov 3, 2008

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