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90/016,201SELF-FORMING VOIP NETWORK8,477,762Open

Status

Reexam - Request Ready for Ex Parte Action

Filed

Apr 21, 2026

Pre-Order Paper

None filed

Last Updated

Sep 22, 2026

Art Unit

3992

Requester Law Firm

Desmarais LLP

Requested By

Third Party

Patent Owner Law Firm

Owner hasn't filed yet

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04LTransmission of Digital Information

USPC

370Multiplex Communications

Reexam History (23 events)

Sep 22, 2026RXFWDXDate Forwarded to Examiner
Jul 17, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
May 8, 2026PA..Change in Power of Attorney (May Include Associate POA)
Apr 27, 2026DOCKCase Docketed to Examiner in GAU
Apr 24, 2026MRXNReexamination Formalities Notice Mailed
Apr 24, 2026MRXNReexamination Formalities Notice Mailed
Apr 24, 2026COMPApplication Is Now Complete
Apr 23, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 23, 2026PRXRParalegal Reexam Review Complete
Apr 22, 2026RXTTLRPTTitle Report
Apr 22, 2026RXRLFReExam Litigation Found
Apr 22, 2026RXNREQFDNotice of reexamination request filing date
Apr 22, 2026RXNREQAUNotice of assignment of reexamination request
Apr 22, 2026RXLITSRReexam Litigation Search Conducted
Apr 22, 2026FTFIFITF set to NO - revise initial setting
Apr 21, 2026WIDSInformation Disclosure Statement (IDS) Filed
Apr 21, 2026RXOSUB.RReexamination requested by third party requester
Apr 21, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 21, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Apr 21, 2026RXC/SRCertificate of Service
Apr 21, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Apr 21, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Apr 21, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2026-00127IPR — Discretionary Denial

Petitioner

Cisco Systems, Inc.

Petition Filed

Nov 21, 2025

Institution

Mar 17, 2026

Decision

Mar 17, 2026

Terminated

Mar 17, 2026

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Jul 2, 2013
3.5-yr
Jan 2, 2017
7.5-yr
Jan 2, 2021
Paid Apr 18, 2022
11.5-yr
Jan 2, 2025
Paid Dec 30, 2024
Expiry
Jul 9, 2031

Entity Status

Large Entity

Expires

Jul 9, 2031 (5.2 yr remaining)

Term Adjustment

+908 days (~2.5 yr)

Other

USPTO Event: Expire PatentUSPTO Event: Maintenance Fee Reminder MailedUSPTO Event: Petition to Accept Late Payment of Maintenance Fee Payment Filed

Assignments

20092010201120122013201420152016201720182019202020212022202320242025FiledFRANCIS 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: 022093/0736Recorded: Jan 12, 2009

From

FRANCIS DACOSTAInventor
Dec 30, 2008
SRIRAM DAYANANDANInventor
Dec 30, 2008
→

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: 071989/0525Recorded: Aug 11, 2025

From

ADVANCED CYBERNETICS GROUP 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: 072431/0726Recorded: Aug 12, 2025

From

CHIRP NETWORKS INC.
Aug 11, 2025
→

To

DYNAMIC MESH NETWORKS, INC.