Status
Determination - Reexamination Ordered
Requester
Requester Law Firm
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (24 events)
Apr 23, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Apr 22, 2026RXPET.Receipt of Petition in a Reexam
Apr 22, 2026RXC/SRCertificate of Service
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, 2026RXTTLRPTTitle Report
Mar 16, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Mar 16, 2026RXNREQFDNotice of reexamination request filing date
Mar 16, 2026RXNREQAUNotice of assignment of reexamination request
Feb 27, 2026RXRLFReExam Litigation Found
Feb 27, 2026RXLITSRReexam Litigation Search Conducted
Feb 27, 2026PRXRParalegal Reexam Review Complete
Feb 27, 2026FTFIFITF set to NO - revise initial setting
Feb 25, 2026RXRLFReExam Litigation Found
Feb 25, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
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, 2026RCCPRX - Concurrent Proceedings Notice
Feb 25, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2025-01523IPR — Discretionary Denial
Petitioner
Cisco Systems, Inc.
Petition Filed
Sep 8, 2025
Institution
Jan 9, 2026
Decision
Jan 9, 2026
Terminated
Jan 9, 2026
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Sep 2, 2008
3.5-yr
Mar 2, 2012
7.5-yr
Mar 2, 2016
11.5-yr
Mar 2, 2020
Paid Mar 2, 2022
Expiry
May 21, 2025
Entity Status
Small Entity
Expires
May 21, 2025 (expired)
Term Adjustment
+744 days (~2.0 yr)
Other
USPTO Event: Expire PatentUSPTO Event: Maintenance Fee Reminder MailedUSPTO Event: Petition to Accept Late Payment of Maintenance Fee Payment Filed
Assignments
AssignmentReel/Frame: 019345/0124Recorded: May 25, 2007
From
FRANCIS DA COSTAInventor
May 23, 2007
SRIRAM DAYANANDANInventor
May 23, 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.