90/019,530LCD BACKLIGHT USING TWO-DIMENSIONAL ARRAY LEDS7,052,152Closed

Status

Reexamination Certificate Issued

Filed

Jun 4, 2024

Last Updated

Mar 11, 2026

Examiner

Woo H Choi

Art Unit

3992

Requester

Unknown

Requester Law Firm

Perkins Coie, LLP

Requested By

Third Party

Patent OwnerInferred

Philips North America LLC

Sector (CPC)

GPhysics & Instruments
G02Optics
G02FOptical Logic & Switching

USPC

362Illumination

Reexam History (43 events)

Mar 11, 2026REEXInput Issue Number and Issue Date for Reexamination
Feb 11, 2026RXPUBSReexam Forwarded to Office of Publications
Jan 21, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Aug 6, 2025RXC/SRCertificate of Service
Aug 6, 2025RXAPBRAppeal Brief Review Complete
Aug 6, 2025RXAP.BAppeal Brief Filed
Jun 6, 2025RXN/APNotice of Appeal Filed
Jun 6, 2025RXC/SRCertificate of Service
Jun 6, 2025RXC/SRCertificate of Service
Jun 4, 2025DOCKCase Docketed to Examiner in GAU
Apr 8, 2025MRXFRRX - Mail Final Rejection
Feb 20, 2025RXPTGRReexam Petition Decision - Granted
Feb 20, 2025MRTGRRX - Mail Petition Decision - Granted
Feb 14, 2025RXPET.Receipt of Petition in a Reexam
Feb 14, 2025RXA...Response after Non-Final Action
Feb 11, 2025MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Feb 5, 2025IDSCInformation Disclosure Statement considered
Jan 7, 2025RXFWDXDate Forwarded to Examiner
Oct 30, 2024MR.NFRX - Mail Reexam Non-Final Action
Oct 10, 2024PA..Change in Power of Attorney (May Include Associate POA)
Oct 9, 2024RXC.ADCorrespondence Address Change
Oct 8, 2024RXPA..Change in Power of Attorney (May Include Associate POA)
Oct 8, 2024RXC/SRCertificate of Service
Sep 23, 2024RXFWDXDate Forwarded to Examiner
Jul 15, 2024MREXORX - Mail Ex Parte Request for Reexamination Granted
Jun 10, 2024DOCKCase Docketed to Examiner in GAU
Jun 7, 2024MRXNReexamination Formalities Notice Mailed
Jun 7, 2024MRXNReexamination Formalities Notice Mailed
Jun 7, 2024COMPApplication Is Now Complete
Jun 6, 2024RXRLFReExam Litigation Found
Jun 6, 2024RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jun 6, 2024RXNREQFDNotice of reexamination request filing date
Jun 6, 2024RXNREQAUNotice of assignment of reexamination request
Jun 6, 2024RXLITSRReexam Litigation Search Conducted
Jun 6, 2024FTFSFITF set to YES - revise initial setting
Jun 5, 2024RXTTLRPTTitle Report
Jun 4, 2024WIDSInformation Disclosure Statement (IDS) Filed
Jun 4, 2024RXOSUB.RReexamination requested by third party requester
Jun 4, 2024RXOSUBReceipt of Original Ex Parte Reexam Request
Jun 4, 2024RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jun 4, 2024RXIDS.Information Disclosure Statement Filed
Jun 4, 2024RXC/SRCertificate of Service
Jun 4, 2024BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2021-00498IPRInstitution Denied

Petitioner

TCL Industries Holdings Co., Ltd. et al.

Petition Filed

Feb 26, 2021

Institution

Aug 26, 2021

Terminated

Aug 26, 2021

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
May 30, 2006
3.5-yr
Nov 30, 2009
7.5-yr
Nov 30, 2013
11.5-yr
Nov 30, 2017
Paid Nov 20, 2017
Expiry
Mar 25, 2024

Entity Status

Large Entity

Expires

Mar 25, 2024 (expired)

Term Adjustment

+174 days (~0.5 yr)

Assignments

20042005200620072008200920102011201220132014201520162017FiledWILLIAM D. III COLLINSGERARD HARBERSLUMILEDS LIGHTING U.S. LLCPHILIPS LUMILEDS LIGHTING COMPANY LLCPHILIPS ELECTRONICS NORTH AMERICA CORPORATIONPHILIPS NORTH AMERICA LLC
AssignmentReel/Frame: 014593/0702Recorded: Oct 3, 2003

From

WILLIAM D. III COLLINSInventor
Oct 3, 2003
GERARD HARBERSInventor
Oct 3, 2003

To

LUMILEDS LIGHTING U.S. LLC

Name ChangeReel/Frame: 025850/0770Recorded: Feb 15, 2011

From

LUMILEDS LIGHTING U.S. LLC
Feb 11, 2011
LUMILEDS LIGHTING U.S., LLC
Feb 11, 2011
LUMILEDS LIGHTING, U.S. LLC
Feb 11, 2011
LUMILEDS LIGHTING, U.S., LLC
Feb 11, 2011

To

PHILIPS LUMILEDS LIGHTING COMPANY LLC

AssignmentReel/Frame: 039884/0634Recorded: Aug 31, 2016

From

PHILIPS LUMILEDS LIGHTING COMPANY LLC
Jan 1, 2016

To

PHILIPS ELECTRONICS NORTH AMERICA CORPORATION

Name ChangeReel/Frame: 051693/0928Recorded: Jan 24, 2020

From

PHILIPS ELECTRONICS NORTH AMERICA CORPORATION
Feb 27, 2017

To

PHILIPS NORTH AMERICA LLC