90/019,986METHOD AND APPARATUS FOR SECONDARY CELL RELEASE DURING HANDOVER IN A WIRELESS COMMUNICATION SYSTEM9,237,489Closed

Status

Reexamination Certificate Issued

Filed

Jun 4, 2025

Last Updated

Mar 18, 2026

Art Unit

3992

Requester Law Firm

Blue Capital Law Firm, P.C.

Requested By

Third Party

Patent OwnerInferred

Innovative Sonic Limited

P.O. Law Firm

Unknown

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04WWireless Communication Networks

USPC

370Multiplex Communications

Reexam History (22 events)

Mar 18, 2026REEXInput Issue Number and Issue Date for Reexamination
Feb 19, 2026RXPUBSReexam Forwarded to Office of Publications
Nov 25, 2025MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Nov 13, 2025RXFWDXDate Forwarded to Examiner
Aug 29, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Jun 17, 2025MRXNReexamination Formalities Notice Mailed
Jun 17, 2025MRXNReexamination Formalities Notice Mailed
Jun 17, 2025COMPApplication Is Now Complete
Jun 16, 2025RXRLFReExam Litigation Found
Jun 16, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jun 16, 2025RXNREQFDNotice of reexamination request filing date
Jun 16, 2025RXNREQAUNotice of assignment of reexamination request
Jun 16, 2025RXLITSRReexam Litigation Search Conducted
Jun 16, 2025PRXRParalegal Reexam Review Complete
Jun 16, 2025FTFIFITF set to NO - revise initial setting
Jun 16, 2025DOCKCase Docketed to Examiner in GAU
Jun 5, 2025RXTTLRPTTitle Report
Jun 4, 2025RXOSUB.RReexamination requested by third party requester
Jun 4, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Jun 4, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jun 4, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jun 4, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2024-01144IPRInstitution Denied

Petitioner

AT&T Enterprises, LLC et al.

Petition Filed

Jul 25, 2024

Institution

Feb 4, 2025

Decision

Feb 4, 2025

Terminated

Feb 4, 2025

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Jan 12, 2016
3.5-yr
Jul 12, 2019
Paid Jun 28, 2019
7.5-yr
Jul 12, 2023
Paid Jun 8, 2023
11.5-yr
Jul 12, 2027
Expiry
Nov 12, 2034

Entity Status

Large Entity

Expires

Nov 12, 2034 (8.6 yr remaining)

Term Adjustment

+1112 days (~3.0 yr)

Assignments

201220132014201520162017201820192020202120222023FiledRICHARD LEE-CHEE KUOINNOVATIVE SONIC CORPORATIONINNOVATIVE SONIC LIMITED
AssignmentReel/Frame: 027190/0647Recorded: Nov 8, 2011

From

RICHARD LEE-CHEE KUOInventor
Oct 11, 2011

To

INNOVATIVE SONIC CORPORATION

AssignmentReel/Frame: 065195/0780Recorded: Oct 12, 2023

From

INNOVATIVE SONIC CORPORATION
Oct 4, 2023

To

INNOVATIVE SONIC LIMITED