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90/015,761PROCESSOR CORE COMMUNICATION IN MULTI-CORE PROCESSOR8,549,339Open

Status

Non-Final Action Mailed

Filed

Dec 9, 2025

Last Updated

Sep 2, 2026

Art Unit

3992

Requester Law Firm

DLA Piper LLP US

Requested By

Third Party

Patent Owner(via USPTO assignment records)

Redstone Logics, LLC

Patent Owner Law Firm

FARJAMI & FARJAMI LLP

Sector (CPC)

GPhysics & Instruments
G06Computing & Data Processing
G06FElectric Digital Data Processing

USPC

713Electrical Computers And Digital Processing Systems: Support

Reexam History (25 events)

Sep 2, 2026MR.NFRX - Mail Reexam Non-Final Action
Jul 7, 2026RXFWDXDate Forwarded to Examiner
May 5, 2026RXOR.TTimely Owner Statement in Response to Order
May 5, 2026RXC/SRCertificate of Service
Mar 6, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 26, 2026PA..Change in Power of Attorney (May Include Associate POA)
Dec 17, 2025MRXNReexamination Formalities Notice Mailed
Dec 17, 2025MRXNReexamination Formalities Notice Mailed
Dec 17, 2025DOCKCase Docketed to Examiner in GAU
Dec 17, 2025COMPApplication Is Now Complete
Dec 16, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Dec 16, 2025RXNREQFDNotice of reexamination request filing date
Dec 16, 2025RXNREQAUNotice of assignment of reexamination request
Dec 13, 2025RXRLFReExam Litigation Found
Dec 13, 2025RXLITSRReexam Litigation Search Conducted
Dec 13, 2025PRXRParalegal Reexam Review Complete
Dec 13, 2025FTFIFITF set to NO - revise initial setting
Dec 11, 2025RXTTLRPTTitle Report
Dec 9, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 9, 2025RXOSUB.RReexamination requested by third party requester
Dec 9, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Dec 9, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Dec 9, 2025RXC/SRCertificate of Service
Dec 9, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Dec 9, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-01532IPR — Discretionary Denial

Petitioner

Apple Inc.

Petition Filed

Sep 16, 2025

Institution

Jan 27, 2026

Decision

Jan 27, 2026

Terminated

Jan 27, 2026

IPR2025-00485IPR — Discretionary Denial

Petitioner

NXP USA, INC. et al.

Petition Filed

Jan 22, 2025

Institution

Jul 10, 2025

Decision

Jul 10, 2025

Terminated

Jul 10, 2025

IPR2025-00085IPR — Institution Denied

Petitioner

MediaTek, Inc. et al.

Petition Filed

Oct 22, 2024

Institution

Apr 22, 2025

Decision

Apr 22, 2025

Terminated

Apr 22, 2025

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Oct 1, 2013
3.5-yr
Apr 1, 2017
7.5-yr
Apr 1, 2021
Paid Sep 21, 2021
11.5-yr
Apr 1, 2025
Paid Dec 27, 2024
Expiry
Aug 4, 2031

Entity Status

Large Entity

Expires

Aug 4, 2031 (5.4 yr remaining)

Term Adjustment

+524 days (~1.4 yr)

Other

USPTO Event: Maintenance Fee Reminder Mailed

Assignments

20102011201220132014201520162017201820192020202120222023FiledMARC ELLIOTT LEVITTANDREW WOLFEEMPIRE TECHNOLOGY DEVELOPMENT LLCREDSTONE LOGICS, LLCL.P. CRESTLINE DIRECT FINANCESecurity interest, Dec 2018L.P. CRESTLINE DIRECT FINANCERelease, Dec 2022
AssignmentReel/Frame: 024009/0530Recorded: Mar 2, 2010

From

MARC ELLIOTT LEVITTInventor
Feb 11, 2010
ANDREW WOLFEInventor
Feb 11, 2010
→

To

EMPIRE TECHNOLOGY DEVELOPMENT LLC

Security InterestReel/Frame: 048373/0217Recorded: Jan 29, 2019

From

EMPIRE TECHNOLOGY DEVELOPMENT LLC
Dec 28, 2018
→

To

L.P. CRESTLINE DIRECT FINANCE

AssignmentReel/Frame: 064575/0934Recorded: Aug 14, 2023

From

EMPIRE TECHNOLGY DEVELOPMENT, LLC
Dec 12, 2022
→

To

REDSTONE LOGICS, LLC

ReleaseReel/Frame: 062120/0206Recorded: Dec 16, 2022

From

L.P. CRESTLINE DIRECT FINANCE
Dec 12, 2022
→

To

EMPIRE TECHNOLOGY DEVELOPMENT LLC