90/016,215METHODS AND APPARATUSES FOR CHANNEL STATE INFORMATION TRANSMISSION11,523,298Open

Status

Reexam - Request Ready for Ex Parte Action

Filed

Apr 28, 2026

Last Updated

Aug 24, 2026

Art Unit

3992

Requester Law Firm

Capitol City TechLaw, PLLC

Requested By

Third Party

Patent OwnerInferred

NEC Corporation

P.O. Law Firm

Sughrue Mion, PLLC

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04LTransmission of Digital Information

USPC

370Multiplex Communications

Reexam History (24 events)

Aug 24, 2026RXC/SRCertificate of Service
Aug 24, 2026RXRR.TTimely Requestor's Reply to an Owner's Statement
Aug 18, 2026RXC/SRCertificate of Service
Aug 18, 2026RXOR.TTimely Owner Statement in Response to Order
Jun 18, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jun 4, 2026RXLITSRReexam Litigation Search Conducted
Jun 2, 2026IDSCInformation Disclosure Statement considered
May 4, 2026DOCKCase Docketed to Examiner in GAU
May 1, 2026MRXNReexamination Formalities Notice Mailed
May 1, 2026COMPApplication Is Now Complete
May 1, 2026MRXNReexamination Formalities Notice Mailed
Apr 30, 2026RXNREQFDNotice of reexamination request filing date
Apr 30, 2026RXNREQAUNotice of assignment of reexamination request
Apr 30, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 30, 2026RXTTLRPTTitle Report
Apr 30, 2026FTFSFITF set to YES - revise initial setting
Apr 29, 2026PRXRParalegal Reexam Review Complete
Apr 28, 2026WIDSInformation Disclosure Statement (IDS) Filed
Apr 28, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Apr 28, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 28, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Apr 28, 2026RXOSUB.RReexamination requested by third party requester
Apr 28, 2026RXC/SRCertificate of Service
Apr 28, 2026WIDSInformation Disclosure Statement (IDS) Filed

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

None found

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedAug 2, 2022

Prosecution History

DateCodeDescription
Aug 2, 2022P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Aug 2, 2022DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Dec 6, 2022
3.5-yr
Jun 6, 2026
7.5-yr
Jun 6, 2030
11.5-yr
Jun 6, 2034
Expiry
May 26, 2042

Entity Status

Large Entity

Expires

May 26, 2042 (16.1 yr remaining)

Assignments

None found