90/015,521SYSTEM AND METHOD PROVIDING STANDBY BYPASS FOR DOUBLE FAILURE PROTECTION IN MPLS NETWORK8,982,691Open
Status
Reexam Terminated - Notice of Intent to Issue a Reexamination Certificate Mailed
Requester
Requester Law Firm
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (30 events)
Aug 19, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Jun 23, 2026RXFWDXDate Forwarded to Examiner
Apr 22, 2026MR.NFRX - Mail Reexam Non-Final Action
Apr 9, 2026RXRLFReExam Litigation Found
Apr 9, 2026RXLITSRReexam Litigation Search Conducted
Feb 18, 2026RXFWDXDate Forwarded to Examiner
Dec 15, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Oct 3, 2025MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Oct 1, 2025DOCKCase Docketed to Examiner in GAU
Oct 1, 2025DOCKCase Docketed to Examiner in GAU
Sep 24, 2025MRXNReexamination Formalities Notice Mailed
Sep 24, 2025MRXNReexamination Formalities Notice Mailed
Sep 24, 2025COMPApplication Is Now Complete
Sep 23, 2025RXTTLRPTTitle Report
Sep 23, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Sep 23, 2025RXNREQFDNotice of reexamination request filing date
Sep 23, 2025RXNREQAUNotice of assignment of reexamination request
Sep 23, 2025RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Sep 17, 2025RXRLFReExam Litigation Found
Sep 17, 2025RXLITSRReexam Litigation Search Conducted
Sep 17, 2025PRXRParalegal Reexam Review Complete
Sep 17, 2025FTFIFITF set to NO - revise initial setting
Sep 16, 2025RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Sep 16, 2025RXOSUB.RReexamination requested by third party requester
Sep 16, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Sep 16, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Sep 16, 2025RXC/SRCertificate of Service
Sep 16, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Sep 16, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Sep 16, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2025-00188IPR — Institution Denied
Petitioner
Cisco Systems, Inc.
Petition Filed
Nov 15, 2024
Institution
Aug 22, 2025
Decision
Jun 13, 2025
Terminated
Aug 22, 2025
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Mar 17, 2015
3.5-yr
Sep 17, 2018
Paid Mar 18, 2019
7.5-yr
Sep 17, 2022
Paid Mar 16, 2023
11.5-yr
Sep 17, 2026
Expiry
Apr 18, 2033
Entity Status
Large Entity
Expires
Apr 18, 2033 (7 yr remaining)
Term Adjustment
+202 days (~0.6 yr)
Other
USPTO Event: Maintenance Fee Reminder Mailed
Assignments
AssignmentReel/Frame: 029241/0269Recorded: Nov 5, 2012
From
PRADEEP JAINInventor
Oct 10, 2012
KANWAR SINGHInventor
Oct 10, 2012
SRIKRISHNAN VENKATARAMANInventor
Oct 10, 2012
→
To
ALCATEL-LUCENT USA INC.
Security InterestReel/Frame: 030510/0627Recorded: Mar 7, 2013
From
ALCATEL-LUCENT USA INC.
Jan 30, 2013
→
To
CREDIT SUISSE AG
AssignmentReel/Frame: 031420/0703Recorded: Oct 16, 2013
From
ALCATEL-LUCENT USA INC.
Oct 15, 2013
→
To
ALCATEL LUCENT
ReleaseReel/Frame: 033949/0016Recorded: Oct 9, 2014
From
CREDIT SUISSE AG
Aug 19, 2014
→
To
ALCATEL-LUCENT USA INC.
AssignmentReel/Frame: 044000/0053Recorded: Sep 25, 2017
From
ALCATEL LUCENT
Jul 22, 2017
→
To
WSOU INVESTMENTS, LLC
Security InterestReel/Frame: 043966/0574Recorded: Sep 21, 2017
From
WSOU INVESTMENTS, LLC
Aug 22, 2017
→
To
OMEGA CREDIT OPPORTUNITIES MASTER FUND, LP
ReleaseReel/Frame: 049246/0405Recorded: May 21, 2019
From
OCO OPPORTUNITIES MASTER FUND, L.P. (F/K/A OMEGA CREDIT OPPORTUNITIES MASTER FUND LP
May 16, 2019
→
To
WSOU INVESTMENTS, LLC
Security InterestReel/Frame: 049235/0068Recorded: May 20, 2019
From
WSOU INVESTMENTS, LLC
May 16, 2019
→
To
BP FUNDING TRUST, SERIES SPL-VI
Security InterestReel/Frame: 056990/0081Recorded: Jun 1, 2021
From
WSOU INVESTMENTS, LLC
May 28, 2021
→
To
OT WSOU TERRIER HOLDINGS, LLC
ReleaseReel/Frame: 056526/0093Recorded: Jun 3, 2021
From
TERRIER SSC, LLC
May 28, 2021
→
To
WSOU INVESTMENTS, LLC