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Status

Non-Final Action Mailed

Filed

May 21, 2025

Last Updated

Jan 29, 2026

Art Unit

3992

Requester

Unknown

Requested By

Third Party

Patent OwnerInferred

Headwater Research LLC

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04LTransmission of Digital Information

USPC

370Multiplex Communications

Reexam History (32 events)

Feb 18, 2026MRXG.RX - Mail Extension of Time Period for Response Granted
Feb 13, 2026RCCPRX - Concurrent Proceedings Notice
Feb 13, 2026RXRQ/TRequest for Extension of Time
Feb 13, 2026RXC/SRCertificate of Service
Jan 29, 2026WIDSInformation Disclosure Statement (IDS) Filed
Jan 29, 2026MR.NFRX - Mail Reexam Non-Final Action
Jan 29, 2026RXC/SRCertificate of Service
Jan 29, 2026RXIDS.Information Disclosure Statement Filed
Jan 29, 2026WIDSInformation Disclosure Statement (IDS) Filed
Dec 8, 2025DOCKCase Docketed to Examiner in GAU
Nov 6, 2025PA..Change in Power of Attorney (May Include Associate POA)
Nov 6, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 5, 2025RXC/SRCertificate of Service
Oct 21, 2025RXFWDXDate Forwarded to Examiner
Sep 10, 2025MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Aug 15, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 7, 2025RXLITSRReexam Litigation Search Conducted
Jul 7, 2025RXRLFReExam Litigation Found
May 27, 2025COMPApplication Is Now Complete
May 27, 2025DOCKCase Docketed to Examiner in GAU
May 27, 2025MRXNReexamination Formalities Notice Mailed
May 27, 2025MRXNReexamination Formalities Notice Mailed
May 23, 2025FTFIFITF set to NO - revise initial setting
May 23, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
May 22, 2025PRXRParalegal Reexam Review Complete
May 21, 2025TK1RTrack 1 Request
May 21, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
May 21, 2025RXC/SRCertificate of Service
May 21, 2025RXOSUB.RReexamination requested by third party requester
May 21, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
May 21, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
May 21, 2025RXRLFReExam Litigation Found