90/015,707MOBILE TELEPHONE VOIP/CELLULAR SEAMLESS ROAMING SWITCHING CONTROLLER8,886,181Open

Status

Determination - Reexamination Ordered

Filed

Nov 20, 2025

Last Updated

Jan 8, 2026

Art Unit

3992

Requester Law Firm

Unknown

Requested By

Third Party

Patent OwnerInferred

Vasu Holdings LLC

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04WWireless Communication Networks

USPC

455Telecommunications

Reexam History (27 events)

Mar 9, 2026RXPET.Receipt of Petition in a Reexam
Mar 9, 2026RXC/SRCertificate of Service
Jan 8, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 5, 2026IDSCInformation Disclosure Statement considered
Dec 22, 2025PA..Change in Power of Attorney (May Include Associate POA)
Dec 10, 2025MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Dec 8, 2025DOCKCase Docketed to Examiner in GAU
Dec 3, 2025DOCKCase Docketed to Examiner in GAU
Dec 2, 2025MRXNReexamination Formalities Notice Mailed
Dec 2, 2025MRXNReexamination Formalities Notice Mailed
Dec 2, 2025COMPApplication Is Now Complete
Dec 1, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Nov 25, 2025RXRLFReExam Litigation Found
Nov 25, 2025RXNREQFDNotice of reexamination request filing date
Nov 25, 2025RXNREQAUNotice of assignment of reexamination request
Nov 25, 2025RXLITSRReexam Litigation Search Conducted
Nov 25, 2025PRXRParalegal Reexam Review Complete
Nov 25, 2025FTFIFITF set to NO - revise initial setting
Nov 21, 2025RXTTLRPTTitle Report
Nov 20, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 20, 2025WIDSInformation Disclosure Statement (IDS) Filed
Nov 20, 2025RXOSUB.RReexamination requested by third party requester
Nov 20, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Nov 20, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Nov 20, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Nov 20, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Nov 20, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-00446IPRDiscretionary Denial

Petitioner

SAMSUNG ELECTRONICS CO., LTD. et al.

Petition Filed

Jan 23, 2025

Institution

Jul 10, 2025

Decision

Jul 10, 2025

Terminated

Jul 10, 2025

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Nov 11, 2014
3.5-yr
May 11, 2018
Paid May 10, 2018
7.5-yr
May 11, 2022
Paid Nov 11, 2022
11.5-yr
May 11, 2026
Expiry
Sep 26, 2031

Entity Status

Small Entity

Expires

Sep 26, 2031 (5.5 yr remaining)

Term Adjustment

+4 days (~0.0 yr)

Other

USPTO Event: Maintenance Fee Reminder Mailed

Assignments

200620072008200920102011201220132014201520162017201820192020202120222023FiledVASUDEVAN GANESANHAVA CORPORATIONVASU NETWORKS CORPORATIONVASU HOLDINGS, LLCVASU HOLDINGS LLCSecurity Interest
AssignmentReel/Frame: 026951/0183Recorded: Sep 22, 2011

From

VASUDEVAN GANESANInventor
Jan 11, 2006

To

HAVA CORPORATION

AssignmentReel/Frame: 026951/0207Recorded: Sep 22, 2011

From

HAVA CORPORATION
Oct 6, 2010

To

VASU NETWORKS CORPORATION

AssignmentReel/Frame: 064241/0878Recorded: Jul 13, 2023

From

VASU NETWORKS CORPORATION
Jul 11, 2023

To

VASU HOLDINGS, LLC

Security InterestReel/Frame: 066199/0796Recorded: Jan 22, 2024

From

VASU HOLDINGS LLC
Dec 21, 2023

To

HPCF LITIGATION FINANCE US I LLC