90/019,997SCATTERED PILOT PATTERN AND CHANNEL ESTIMATION METHOD FOR MIMO-OFDM SYSTEMS9,313,065Open

Status

Non-Final Action Mailed

Filed

Jun 13, 2025

Last Updated

Jul 1, 2026

Examiner

Eric B Kiss

Art Unit

3992

Requester

Unknown

Requested By

Third Party

Patent OwnerInferred

Malikie Innovations Limited

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04LTransmission of Digital Information

USPC

370Multiplex Communications

Reexam History (30 events)

Jul 1, 2026MR.NFRX - Mail Reexam Non-Final Action
May 20, 2026RXPTDIReexam Petition Decision - Dismissed
May 20, 2026RXFWDXDate Forwarded to Examiner
May 20, 2026MRTDIRX - Mail Petition Decision - Dismissed
Sep 19, 2025RXOPPPETReexam - Opposition filed in response to petition
Sep 19, 2025RXC/SRCertificate of Service
Sep 5, 2025RXPET.Receipt of Petition in a Reexam
Sep 5, 2025RXC/SRCertificate of Service
Jul 8, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Jun 25, 2025MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Jun 24, 2025PA..Change in Power of Attorney (May Include Associate POA)
Jun 17, 2025MRXNReexamination Formalities Notice Mailed
Jun 17, 2025MRXNReexamination Formalities Notice Mailed
Jun 17, 2025COMPApplication Is Now Complete
Jun 16, 2025RXTTLRPTTitle Report
Jun 16, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jun 16, 2025RXNREQFDNotice of reexamination request filing date
Jun 16, 2025RXNREQAUNotice of assignment of reexamination request
Jun 16, 2025PRXRParalegal Reexam Review Complete
Jun 16, 2025DOCKCase Docketed to Examiner in GAU
Jun 14, 2025RXRLFReExam Litigation Found
Jun 14, 2025RXLITSRReexam Litigation Search Conducted
Jun 14, 2025FTFIFITF set to NO - revise initial setting
Jun 13, 2025WIDSInformation Disclosure Statement (IDS) Filed
Jun 13, 2025RXOSUB.RReexamination requested by third party requester
Jun 13, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Jun 13, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jun 13, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jun 13, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jun 13, 2025BIG.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 — ApprovedOct 21, 2015

Prosecution History

DateCodeDescription
Oct 21, 2015DISTTerminal Disclaimer Filed
Oct 21, 2015P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Oct 21, 2015DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Apr 12, 2016
3.5-yr
Oct 12, 2019
Paid Oct 14, 2019
7.5-yr
Oct 12, 2023
11.5-yr
Oct 12, 2027
Expiry
Jan 29, 2035

Entity Status

Large Entity

Expires

Jan 29, 2035 (8.8 yr remaining)

Other

USPTO Event: Expire PatentUSPTO Event: Maintenance Fee Reminder Mailed

Assignments

20072008200920102011201220132014201520162017201820192020202120222023FiledMING JIAJIANGLEI MAWEN TONGPEIYING ZHUNORTEL NETWORKS LIMITEDROCKSTAR BIDCO, LP2256355 ONTARIO LIMITEDRESEARCH IN MOTION LIMITEDBLACKBERRY LIMITEDOT PATENT ESCROW, LLCMALIKIE INNOVATIONS LIMITED
AssignmentReel/Frame: 036289/0568Recorded: Aug 10, 2015

From

MING JIAInventor
Sep 25, 2006
JIANGLEI MAInventor
Sep 25, 2006
WEN TONGInventor
Sep 30, 2006
PEIYING ZHUInventor
Oct 1, 2006

To

NORTEL NETWORKS LIMITED

AssignmentReel/Frame: 036315/0434Recorded: Aug 10, 2015

From

NORTEL NETWORKS LIMITED
Jul 29, 2011

To

ROCKSTAR BIDCO, LP

AssignmentReel/Frame: 036290/0093Recorded: Aug 10, 2015

From

ROCKSTAR BIDCO, LP
Feb 29, 2012

To

2256355 ONTARIO LIMITED

AssignmentReel/Frame: 036290/0199Recorded: Aug 10, 2015

From

2256355 ONTARIO LIMITED
Mar 2, 2012

To

RESEARCH IN MOTION LIMITED

Name ChangeReel/Frame: 035805/0534Recorded: Jun 1, 2015

From

RESEARCH IN MOTION LIMITED
Jul 9, 2013

To

BLACKBERRY LIMITED

AssignmentReel/Frame: 064007/0061Recorded: Jun 16, 2023

From

BLACKBERRY LIMITED
Mar 20, 2023

To

OT PATENT ESCROW, LLC

Nunc Pro TuncReel/Frame: 064015/0001Recorded: Jun 16, 2023

From

OT PATENT ESCROW, LLC
May 11, 2023

To

MALIKIE INNOVATIONS LIMITED