90/015,996MOBILITY EXTENSIONS FOR WIRELESS MULTIPLE RADIO MESH7,894,385Open

Status

Determination - Reexamination Ordered

Filed

Feb 25, 2026

Last Updated

Apr 10, 2026

Art Unit

3992

Requester Law Firm

Haynes and Boone, LLP

Requested By

Third Party

P.O. Law Firm

Michael J. Cherskov

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04WWireless Communication Networks

USPC

370Multiplex Communications

Reexam History (19 events)

Apr 10, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Mar 17, 2026MRXNReexamination Formalities Notice Mailed
Mar 17, 2026MRXNReexamination Formalities Notice Mailed
Mar 17, 2026DOCKCase Docketed to Examiner in GAU
Mar 17, 2026COMPApplication Is Now Complete
Mar 16, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Mar 16, 2026FTFIFITF set to NO - revise initial setting
Mar 13, 2026RXTTLRPTTitle Report
Mar 13, 2026RXNREQFDNotice of reexamination request filing date
Mar 13, 2026RXNREQAUNotice of assignment of reexamination request
Mar 3, 2026RXRLFReExam Litigation Found
Mar 3, 2026RXLITSRReexam Litigation Search Conducted
Mar 3, 2026PRXRParalegal Reexam Review Complete
Feb 25, 2026RXOSUB.RReexamination requested by third party requester
Feb 25, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Feb 25, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Feb 25, 2026RXC/SRCertificate of Service
Feb 25, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Feb 25, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-01569IPRDiscretionary Denial

Petitioner

Cisco Systems, Inc.

Petition Filed

Sep 23, 2025

Institution

Jan 27, 2026

Decision

Jan 27, 2026

Terminated

Jan 27, 2026

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Feb 22, 2011
3.5-yr
Aug 22, 2014
7.5-yr
Aug 22, 2018
Paid Aug 1, 2018
11.5-yr
Aug 22, 2022
Paid Mar 31, 2022
Expiry
Sep 22, 2029

Entity Status

Small Entity

Expires

Sep 22, 2029 (3.5 yr remaining)

Term Adjustment

+830 days (~2.3 yr)

Assignments

200820092010201120122013201420152016201720182019202020212022202320242025FiledFRANCIS DACOSTASRIRAM DAYANANDANMESH DYNAMICS, INC.DYNAMIC MESH NETWORKS, INC. DBA MESHDYNAMICSCHIRP NETWORKS INC.DYNAMIC MESH NETWORKS, INC.DYNAMIC MESH NETWORKS, INC.DYNAMIC MESH NETWORKS, INC.
AssignmentReel/Frame: 019684/0629Recorded: Aug 10, 2007

From

FRANCIS DACOSTAInventor
Aug 3, 2007
SRIRAM DAYANANDANInventor
Aug 3, 2007

To

MESH DYNAMICS, INC.

AssignmentReel/Frame: 034233/0107Recorded: Nov 21, 2014

From

MESH DYNAMICS, INC.
Nov 20, 2014

To

DYNAMIC MESH NETWORKS, INC. DBA MESHDYNAMICS

AssignmentReel/Frame: 071994/0991Recorded: Aug 12, 2025

From

DYNAMIC MESH NETWORKS, INC.
Mar 1, 2022

To

CHIRP NETWORKS INC.

AssignmentReel/Frame: 072431/0726Recorded: Aug 12, 2025

From

CHIRP NETWORKS INC.
Aug 11, 2025

To

DYNAMIC MESH NETWORKS, INC.

AssignmentReel/Frame: 071989/0520Recorded: Aug 11, 2025

From

ABACUS CONTROLS GROUP, INC
Aug 11, 2025

To

DYNAMIC MESH NETWORKS, INC.

AssignmentReel/Frame: 071989/0525Recorded: Aug 11, 2025

From

ADVANCED CYBERNETICS GROUP INC.
Aug 11, 2025

To

DYNAMIC MESH NETWORKS, INC.