Status
Reexamination Certificate Issued
Requester
Requester Law Firm
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (34 events)
Apr 16, 2026REEXInput Issue Number and Issue Date for Reexamination
Mar 31, 2026MR327RX - Mail Miscellaneous Communication to Applicant
Mar 30, 2026IDSCInformation Disclosure Statement considered
Mar 30, 2026IDSCInformation Disclosure Statement considered
Mar 30, 2026IDSCInformation Disclosure Statement considered
Mar 28, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 28, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 28, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 25, 2026RXPUBSReexam Forwarded to Office of Publications
Feb 24, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Dec 15, 2025RXFWDXDate Forwarded to Examiner
Oct 6, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 31, 2025IDSCInformation Disclosure Statement considered
Jul 21, 2025DOCKCase Docketed to Examiner in GAU
Jul 15, 2025MRXNReexamination Formalities Notice Mailed
Jul 15, 2025MRXNReexamination Formalities Notice Mailed
Jul 15, 2025COMPApplication Is Now Complete
Jul 14, 2025RXTTLRPTTitle Report
Jul 14, 2025RXRLFReExam Litigation Found
Jul 14, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jul 14, 2025RXNREQFDNotice of reexamination request filing date
Jul 14, 2025RXNREQAUNotice of assignment of reexamination request
Jul 14, 2025RXLITSRReexam Litigation Search Conducted
Jul 14, 2025RXC.ADRReexam - Correspondence Address Change for Third Party Requester
Jul 14, 2025PRXRParalegal Reexam Review Complete
Jul 14, 2025FTFSFITF set to YES - revise initial setting
Jul 10, 2025WIDSInformation Disclosure Statement (IDS) Filed
Jul 10, 2025RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Jul 10, 2025RXOSUB.RReexamination requested by third party requester
Jul 10, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Jul 10, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jul 10, 2025RXC/SRCertificate of Service
Jul 10, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jul 10, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Prosecution, PTAB & CAFC
PTAB Proceedings (IPR, PGR, CBM, DER)
IPR2025-00429IPR — Discretionary Denial
Petitioner
Cisco Systems, Inc.
Petition Filed
Jan 9, 2025
Institution
Jun 25, 2025
Decision
Jun 25, 2025
Terminated
Jun 25, 2025
Federal Circuit (CAFC)
None found
Terminal Disclaimer
None found
Prosecution History
None found
Maintenance Fees
Grant
Sep 20, 2016
3.5-yr
Mar 20, 2020
Paid Mar 20, 2020
7.5-yr
Mar 20, 2024
Paid Sep 17, 2024
11.5-yr
Mar 20, 2028
Expiry
Nov 12, 2034
Entity Status
Large Entity
Expires
Nov 12, 2034 (8.6 yr remaining)
Term Adjustment
+154 days (~0.4 yr)
Other
USPTO Event: Maintenance Fee Reminder Mailed
Assignments
Security InterestReel/Frame: 033500/0302Recorded: Aug 7, 2014
From
ALCATEL LUCENT
Aug 6, 2014
→
To
CREDIT SUISSE AG
ReleaseReel/Frame: 033655/0304Recorded: Aug 28, 2014
From
CREDIT SUISSE AG
Aug 19, 2014
→
To
ALCATEL LUCENT
AssignmentReel/Frame: 033776/0368Recorded: Sep 19, 2014
From
JAE HYUN HWANGInventor
Sep 12, 2014
→
To
BELL LABS SEOUL LTD.
AssignmentReel/Frame: 033776/0349Recorded: Sep 19, 2014
From
THIERRY E KLEINInventor
Sep 15, 2014
→
To
ALCATEL-LUCENT USA INC.
AssignmentReel/Frame: 039323/0024Recorded: Jul 13, 2016
From
BELL LABS SEOUL LTD.
Jun 2, 2016
→
To
ALCATEL LUCENT
AssignmentReel/Frame: 039865/0978Recorded: Sep 27, 2016
From
ALCATEL-LUCENT USA INC.
Sep 21, 2016
→
To
ALCATEL LUCENT
AssignmentReel/Frame: 052372/0675Recorded: Apr 10, 2020
From
ALCATEL LUCENT
Nov 26, 2019
→
To
WSOU INVESTMENTS, LLC
Security InterestReel/Frame: 056990/0081Recorded: Jun 1, 2021
From
WSOU INVESTMENTS, LLC
May 28, 2021
→
To
OT WSOU TERRIER HOLDINGS, LLC