90/015,639Pre-Coding in Multi-User MIMO9,768,842Open

Status

Response after Non-Final Action Entered (or Ready for Examiner Action)

Filed

Oct 28, 2025

Last Updated

Aug 7, 2026

Art Unit

3992

Requester Law Firm

Unknown

Requested By

Third Party

P.O. Law Firm

Steven J Shattil

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04LTransmission of Digital Information

USPC

375Pulse Or Digital Communications

Reexam History (30 events)

Aug 7, 2026RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Aug 7, 2026RXA...Response after Non-Final Action
Jun 11, 2026MR.NFRX - Mail Reexam Non-Final Action
Jun 3, 2026RXRLFReExam Litigation Found
Jun 3, 2026RXLITSRReexam Litigation Search Conducted
Mar 30, 2026RXFWDXDate Forwarded to Examiner
Feb 17, 2026MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Jan 23, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Dec 15, 2025RXPTGRReexam Petition Decision - Granted
Dec 15, 2025MRTGRRX - Mail Petition Decision - Granted
Nov 7, 2025RXOPPPETReexam - Opposition filed in response to petition
Nov 4, 2025MRXNReexamination Formalities Notice Mailed
Nov 4, 2025MRXNReexamination Formalities Notice Mailed
Nov 4, 2025DOCKCase Docketed to Examiner in GAU
Nov 4, 2025COMPApplication Is Now Complete
Nov 3, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Nov 3, 2025RXNREQFDNotice of reexamination request filing date
Nov 3, 2025RXNREQAUNotice of assignment of reexamination request
Nov 3, 2025PRXRParalegal Reexam Review Complete
Nov 3, 2025FTFSFITF set to YES - revise initial setting
Oct 31, 2025RXTTLRPTTitle Report
Oct 31, 2025RXPET.Receipt of Petition in a Reexam
Oct 31, 2025RXC/SRCertificate of Service
Oct 28, 2025WIDSInformation Disclosure Statement (IDS) Filed
Oct 28, 2025RXRLFReExam Litigation Found
Oct 28, 2025RXOSUB.RReexamination requested by third party requester
Oct 28, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Oct 28, 2025RXC/SRCertificate of Service
Oct 28, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Oct 28, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-00780IPRDiscretionary Denial

Petitioner

Samsung Electronics Co., Ltd. et al.

Petition Filed

Mar 28, 2025

Institution

Aug 14, 2025

Decision

Aug 14, 2025

Terminated

Aug 14, 2025

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedJun 1, 2017

Prosecution History

DateCodeDescription
Jun 1, 2017P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jun 1, 2017DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Sep 19, 2017
3.5-yr
Mar 19, 2021
Paid Sep 21, 2020
7.5-yr
Mar 19, 2025
11.5-yr
Mar 19, 2029
Expiry
Oct 3, 2036

Entity Status

Small Entity

Expires

Oct 3, 2036 (10.5 yr remaining)

Other

USPTO Event: Expire PatentUSPTO Event: Maintenance Fee Reminder Mailed

Assignments

20172018201920202021FiledSTEVE J SHATTILSTEVE J SHATTILGENGHISCOMM HOLDINGS, LLCGENGHISCOMM HOLDINGS, LLCGENGHISCOMM HOLDINGS, LLC
AssignmentReel/Frame: 041752/0508Recorded: Mar 27, 2017

From

STEVE J SHATTILInventor
Mar 23, 2017

To

GENGHISCOMM HOLDINGS, LLC

AssignmentReel/Frame: 059709/0683Recorded: Mar 3, 2022

From

DEPARTMENT 13, INC.
Nov 4, 2021

To

GENGHISCOMM HOLDINGS, LLC

AssignmentReel/Frame: 059310/0087Recorded: Mar 3, 2022

From

STEVE J SHATTILInventor
Nov 4, 2021

To

GENGHISCOMM HOLDINGS, LLC