90/015,796LENS AND LIGHT EMITTING APPARATUS HAVING THE SAME8,052,307Open

Status

Reexam - Request Ready for Ex Parte Action

Filed

Dec 19, 2025

Last Updated

Mar 25, 2026

Art Unit

3993

Requester Law Firm

Unified Patents LLC

Requested By

Third Party

Patent OwnerInferred

Light Guide Innovations LLC

Sector (CPC)

FMechanical Engineering
F21Lighting
F21VLighting Device Details

USPC

362Illumination

Reexam History (22 events)

Mar 25, 2026RXFWDXDate Forwarded to Examiner
Jan 21, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 29, 2025DOCKCase Docketed to Examiner in GAU
Dec 23, 2025MRXNReexamination Formalities Notice Mailed
Dec 23, 2025MRXNReexamination Formalities Notice Mailed
Dec 23, 2025COMPApplication Is Now Complete
Dec 22, 2025RXTTLRPTTitle Report
Dec 22, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Dec 22, 2025RXNREQFDNotice of reexamination request filing date
Dec 22, 2025RXNREQAUNotice of assignment of reexamination request
Dec 19, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 19, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 19, 2025RXRLFReExam Litigation Found
Dec 19, 2025RXOSUB.RReexamination requested by third party requester
Dec 19, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Dec 19, 2025RXLITSRReexam Litigation Search Conducted
Dec 19, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Dec 19, 2025RXC/SRCertificate of Service
Dec 19, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Dec 19, 2025PRXRParalegal Reexam Review Complete
Dec 19, 2025FTFSFITF set to YES - revise initial setting
Dec 19, 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
Nov 8, 2011
3.5-yr
May 8, 2015
7.5-yr
May 8, 2019
Paid Apr 9, 2019
11.5-yr
May 8, 2023
Paid Jun 25, 2024
Expiry
Sep 3, 2030

Entity Status

Large Entity

Expires

Sep 3, 2030 (4.4 yr remaining)

Other

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

Assignments

20112012201320142015201620172018201920202021202220232024FiledGYU HYEONG BAKSANG WON LEELG INNOTEK CO., LTD.SUZHOU LEKIN SEMICONDUCTOR CO., LTD.LIGHT GUIDE INNOVATIONS LLC
AssignmentReel/Frame: 024939/0104Recorded: Sep 3, 2010

From

GYU HYEONG BAKInventor
Aug 26, 2010
SANG WON LEEInventor
Aug 26, 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