Reexam 90/019,411 — 10,200,227

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90/019,411 PRE-CODING IN MULTI-USER MIMO10,200,227Closed

Status

Reexamination Certificate Issued

Filed

Feb 9, 2024

Last Updated

Feb 25, 2026

Examiner

David E England

Art Unit

3992

Requester

Unknown

Requester Law Firm

Haynes and Boone, LLP

Requested By

Third Party

Patent OwnerInferred

Genghiscomm Holdings LLC

P.O. Law Firm

Steven J Shattil

Sector (CPC)

HElectrical & Electronic

H04Telecommunications

H04LTransmission of Digital Information

USPC

370Multiplex Communications

Reexam History (91 events)

Feb 25, 2026REEXInput Issue Number and Issue Date for Reexamination

Jan 25, 2026RXPUBSReexam Forwarded to Office of Publications

Dec 30, 2025MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate

Oct 21, 2025RXBDRVPTAB Decision - Reversal

Oct 21, 2025MAPHTMail PTAB Oral Hearing Transcript

Oct 21, 2025APHTPTAB Oral Hearing Transcript

Oct 15, 2025APHCHearing Completed

Sep 10, 2025PTGRPetition Decision - Granted

Sep 10, 2025MPTGRMail-Petition Decision - Granted

Sep 5, 2025RXPET.Receipt of Petition in a Reexam

Sep 5, 2025RXPA..Change in Power of Attorney (May Include Associate POA)

Sep 5, 2025RXC/SRCertificate of Service

Sep 5, 2025PET.Petition Entered

Jul 23, 2025APCHConfirmation of Hearing by Appellant

Jul 2, 2025APNH.VANotification Of Appeal Hearing -Alexandria, VA

Apr 18, 2025AP_DK_MDocketing Notice Mailed to Appellant

Apr 17, 2025APASAssignment of Appeal Number

Apr 16, 2025RXC/SRCertificate of Service

Apr 15, 2025APWDAppeal Awaiting PTAB Docketing

Apr 14, 2025RXBPAIReexam Forwarded to PTAB

Apr 13, 2025RXRQOHRequest for Oral Hearing

Apr 13, 2025RXAPRBReply Brief Filed

Feb 13, 2025MRAEARX - Mail Examiners Answer

Dec 26, 2024RXC/SRCertificate of Service

Dec 26, 2024RXAP.BAppeal Brief Filed

Dec 20, 2024RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed

Oct 21, 2024RXN/APNotice of Appeal Filed

Aug 21, 2024MRXFRRX - Mail Final Rejection

Jun 30, 2024RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed

Jun 30, 2024RXA...Response after Non-Final Action

Jun 7, 2024ELC_RVWElectronic Review

Apr 30, 2024MR.NFRX - Mail Reexam Non-Final Action

Mar 8, 2024RXFWDXDate Forwarded to Examiner

Mar 8, 2024MREXORX - Mail Ex Parte Request for Reexamination Granted

Mar 6, 2024MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary

Mar 4, 2024RXWVSTWaiver of owners statement in ex parte

Feb 21, 2024MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary

Feb 15, 2024DOCKCase Docketed to Examiner in GAU

Feb 14, 2024RXTTLRPTTitle Report

Feb 14, 2024MRXNReexamination Formalities Notice Mailed

Feb 13, 2024RXPCOMCompletion of Preprocessing - Released to Assigned GAU

Feb 13, 2024RXNREQFDNotice of reexamination request filing date

Feb 13, 2024RXNREQAUNotice of assignment of reexamination request

Feb 12, 2024PRXRParalegal Reexam Review Complete

Feb 10, 2024RXRLFReExam Litigation Found

Feb 10, 2024RXLITSRReexam Litigation Search Conducted

Feb 10, 2024FTFSFITF set to YES - revise initial setting

Feb 9, 2024RXOSUB.RReexamination requested by third party requester

Feb 9, 2024RXOSUBReceipt of Original Ex Parte Reexam Request

Feb 9, 2024RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester

Feb 9, 2024RXC/SRCertificate of Service

Feb 9, 2024RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester

Feb 9, 2024BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)