90/019,704APPARATUS AND METHOD FOR ESTABLISHING UPLINK SYNCHRONIZATION IN A WIRELESS COMMUNICATION SYSTEM9,854,545Open

Status

On Appeal - Awaiting Decision by the Board of Appeals

Filed

Oct 15, 2024

Last Updated

Sep 1, 2026

Art Unit

3992

Requester

Unknown

Requester Law Firm

Bayes, PLLC

Requested By

Third Party

Patent OwnerInferred

Pantech Corporation

P.O. Law Firm

Mayer Brown, LLP

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04WWireless Communication Networks

USPC

370Multiplex Communications

Reexam History (42 events)

Sep 1, 2026APASAssignment of Appeal Number
Sep 1, 2026AP_DK_MDocketing Notice Mailed to Appellant
Aug 31, 2026APWDAppeal Awaiting PTAB Docketing
Aug 28, 2026RXBPAIReexam Forwarded to PTAB
Jun 15, 2026RXC/SRCertificate of Service
Jun 15, 2026RXAPRBReply Brief Filed
Apr 15, 2026MRAEARX - Mail Examiners Answer
Feb 10, 2026RXAPBRAppeal Brief Review Complete
Feb 9, 2026RXAP.BAppeal Brief Filed
Dec 8, 2025RXN/APNotice of Appeal Filed
Dec 8, 2025RXC/SRCertificate of Service
Nov 6, 2025MRADVRX - Mail Reexam - Advisory Action (or Supplemental)
Oct 6, 2025RXC/SRCertificate of Service
Oct 6, 2025RXAAF.Response to Final Filed (or Ready for Examiner Action)
Aug 6, 2025MRXFRRX - Mail Final Rejection
Jun 9, 2025RXA...Response after Non-Final Action
Jun 9, 2025RXC/SRCertificate of Service
Apr 9, 2025MR.NFRX - Mail Reexam Non-Final Action
Mar 10, 2025RXFWDXDate Forwarded to Examiner
Jan 2, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Nov 20, 2024PA..Change in Power of Attorney (May Include Associate POA)
Oct 18, 2024DOCKCase Docketed to Examiner in GAU
Oct 18, 2024MRXNReexamination Formalities Notice Mailed
Oct 18, 2024COMPApplication Is Now Complete
Oct 18, 2024MRXNReexamination Formalities Notice Mailed
Oct 17, 2024PD.FAILFinal PDX/DAS request for priority document has failed
Oct 17, 2024PD.FAILFinal PDX/DAS request for priority document has failed
Oct 17, 2024PD.FAILFinal PDX/DAS request for priority document has failed
Oct 17, 2024RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Oct 17, 2024FTFIFITF set to NO - revise initial setting
Oct 17, 2024RXNREQFDNotice of reexamination request filing date
Oct 17, 2024RXNREQAUNotice of assignment of reexamination request
Oct 16, 2024RXTTLRPTTitle Report
Oct 15, 2024RXOSUBReceipt of Original Ex Parte Reexam Request
Oct 15, 2024RXOSUB.RReexamination requested by third party requester
Oct 15, 2024RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Oct 15, 2024RXC/SRCertificate of Service
Oct 15, 2024BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Oct 15, 2024RXLITSRReexam Litigation Search Conducted
Oct 15, 2024RXRLFReExam Litigation Found
Oct 15, 2024PRIRParalegal Reissue Review Complete
Oct 15, 2024RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2023-01269IPRTerminated-Settled

Petitioner

LG ELECTRONICS INC.

Petition Filed

Aug 11, 2023

Institution

Apr 9, 2024

Decision

Aug 19, 2024

Terminated

Aug 19, 2024

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Dec 26, 2017
3.5-yr
Jun 26, 2021
Paid Mar 10, 2021
7.5-yr
Jun 26, 2025
Paid Jan 14, 2025
11.5-yr
Jun 26, 2029
Expiry
Aug 1, 2035

Entity Status

Large Entity

Expires

Aug 1, 2035 (9.3 yr remaining)

Term Adjustment

+54 days (~0.1 yr)

Assignments

20162017201820192020FiledPANTECH CO., LTD.PANTECH INC.GOLDPEAK INNOVATIONS INCPANTECH CORPORATION
AssignmentReel/Frame: 039428/0268Recorded: Jul 21, 2016

From

PANTECH CO., LTD.
Jul 6, 2016

To

PANTECH INC.

AssignmentReel/Frame: 042098/0653Recorded: Mar 27, 2017

From

PANTECH INC
Oct 31, 2016

To

GOLDPEAK INNOVATIONS INC

AssignmentReel/Frame: 052657/0066Recorded: May 13, 2020

From

GOLDPEAK INNOVATIONS INC
May 7, 2020

To

PANTECH CORPORATION