90/016,008HEADER REPETITION IN PACKET-BASED OFDM SYSTEMS11,777,776Open

Status

Determination - Reexamination Ordered

Filed

Feb 26, 2026

Last Updated

Apr 24, 2026

Art Unit

3992

Requester Law Firm

Slater Matsil, LLP

Requested By

Third Party

Patent Owner

Ax Wireless LLC

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04LTransmission of Digital Information

USPC

370Multiplex Communications

Reexam History (22 events)

Apr 24, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Mar 17, 2026MRXNReexamination Formalities Notice Mailed
Mar 17, 2026MRXNReexamination Formalities Notice Mailed
Mar 17, 2026DOCKCase Docketed to Examiner in GAU
Mar 17, 2026COMPApplication Is Now Complete
Mar 16, 2026RXTTLRPTTitle Report
Mar 16, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Mar 16, 2026RXNREQFDNotice of reexamination request filing date
Mar 16, 2026RXNREQAUNotice of assignment of reexamination request
Mar 2, 2026RXRLFReExam Litigation Found
Mar 2, 2026RXLITSRReexam Litigation Search Conducted
Mar 2, 2026PRXRParalegal Reexam Review Complete
Mar 2, 2026FTFIFITF set to NO - revise initial setting
Feb 26, 2026WIDSInformation Disclosure Statement (IDS) Filed
Feb 26, 2026RXRLFReExam Litigation Found
Feb 26, 2026RXOSUB.RReexamination requested by third party requester
Feb 26, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Feb 26, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Feb 26, 2026RXC/SRCertificate of Service
Feb 26, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Feb 26, 2026RCCPRX - Concurrent Proceedings Notice
Feb 26, 2026BIG.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 — ApprovedApr 26, 2023

Prosecution History

DateCodeDescription
Apr 26, 2023P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Apr 26, 2023DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Oct 3, 2023
3.5-yr
Apr 3, 2027
7.5-yr
Apr 3, 2031
11.5-yr
Apr 3, 2035
Expiry
Sep 7, 2042

Entity Status

Large Entity

Expires

Sep 7, 2042 (16.4 yr remaining)

Assignments

Sep 2022Oct 2022Nov 2022Dec 2022Jan 2023Feb 2023Mar 2023Apr 2023May 2023Jun 2023Jul 2023Aug 2023Sep 2023Oct 2023Nov 2023Dec 2023Jan 2024Feb 2024Mar 2024Apr 2024May 2024Jun 2024Jul 2024Aug 2024Sep 2024FiledAPPLIED TRANSFORM, LLCAX WIRELESS, LLC
AssignmentReel/Frame: 069137/0001Recorded: Oct 9, 2024

From

APPLIED TRANSFORM, LLC
Sep 5, 2024

To

AX WIRELESS, LLC