90/015,790LIGHT EMITTING APPARATUS9,638,378Closed

Status

Reexamination Certificate Issued

Filed

Dec 17, 2025

Last Updated

Aug 17, 2026

Art Unit

3992

Requester Law Firm

Unknown

Requested By

Third Party

Patent OwnerInferred

Light Guide Innovations LLC

Sector (CPC)

FMechanical Engineering
F21Lighting
F21KLight Sources

USPC

257Active Solid-State Devices (E.g., Transistors, Solid-State Diodes)

Reexam History (27 events)

Aug 17, 2026REEXInput Issue Number and Issue Date for Reexamination
Aug 4, 2026RXPUBSReexam Forwarded to Office of Publications
Jul 16, 2026PA..Change in Power of Attorney (May Include Associate POA)
May 5, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Mar 30, 2026RXFWDXDate Forwarded to Examiner
Jan 21, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 7, 2026IDSCInformation Disclosure Statement considered
Jan 6, 2026DOCKCase Docketed to Examiner in GAU
Jan 4, 2026DOCKCase Docketed to Examiner in GAU
Jan 2, 2026MRXNReexamination Formalities Notice Mailed
Jan 2, 2026MRXNReexamination Formalities Notice Mailed
Jan 2, 2026COMPApplication Is Now Complete
Dec 31, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Dec 31, 2025RXNREQFDNotice of reexamination request filing date
Dec 31, 2025RXNREQAUNotice of assignment of reexamination request
Dec 31, 2025RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Dec 29, 2025PRXRParalegal Reexam Review Complete
Dec 29, 2025FTFSFITF set to YES - revise initial setting
Dec 20, 2025RXTTLRPTTitle Report
Dec 17, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 17, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 17, 2025RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Dec 17, 2025RXOSUB.RReexamination requested by third party requester
Dec 17, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Dec 17, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Dec 17, 2025RXC/SRCertificate of Service
Dec 17, 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

Filed — ApprovedJun 23, 2016

Prosecution History

DateCodeDescription
Jun 23, 2016P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jun 23, 2016DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
May 2, 2017
3.5-yr
Nov 2, 2020
Paid Oct 14, 2020
7.5-yr
Nov 2, 2024
Paid Nov 4, 2024
11.5-yr
Nov 2, 2028
Expiry
Sep 16, 2035

Entity Status

Large Entity

Expires

Sep 16, 2035 (9.5 yr remaining)

Assignments

201620172018201920202021202220232024FiledLG INNOTEK CO., LTD.SUZHOU LEKIN SEMICONDUCTOR CO., LTD.LIGHT GUIDE INNOVATIONS LLC
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