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90/016,172CONTAGION ISOLATION AND INOCULATION VIA QUARANTINE9,516,048Open

Status

Determination - Reexamination Ordered

Filed

Apr 8, 2026

Pre-Order Paper

Filed May 8, 2026

Requester reply May 26, 2026

Last Updated

Jul 7, 2026

Art Unit

3992

Requester

Google LLC

Requested By

Third Party

Patent Owner

K.Mizra LLC

Patent Owner Law Firm

Owner hasn't filed yet

Sector (CPC)

HElectrical & Electronic
H04Telecommunications
H04LTransmission of Digital Information

USPC

726Information Security

Reexam History (31 events)

Sep 16, 2026RXOPPPETReexam - Opposition filed in response to petition
Sep 16, 2026RXC/SRCertificate of Service
Sep 2, 2026RXPET.Receipt of Petition in a Reexam
Sep 2, 2026RXC/SRCertificate of Service
Jul 7, 2026RXPTDIReexam Petition Decision - Dismissed
Jul 7, 2026MRTDIRX - Mail Petition Decision - Dismissed
Jul 7, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
May 26, 2026RXPET.Receipt of Petition in a Reexam
May 26, 2026RXC/SRCertificate of Service
May 8, 2026RXC/SRCertificate of Service
Apr 23, 2026PA..Change in Power of Attorney (May Include Associate POA)
Apr 22, 2026RXC.ADCorrespondence Address Change
Apr 21, 2026DOCKCase Docketed to Examiner in GAU
Apr 20, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Apr 20, 2026RXC/SRCertificate of Service
Apr 17, 2026MRXNReexamination Formalities Notice Mailed
Apr 17, 2026MRXNReexamination Formalities Notice Mailed
Apr 17, 2026COMPApplication Is Now Complete
Apr 16, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Apr 16, 2026RXNREQFDNotice of reexamination request filing date
Apr 16, 2026RXNREQAUNotice of assignment of reexamination request
Apr 16, 2026FTFIFITF set to NO - revise initial setting
Apr 15, 2026RXTTLRPTTitle Report
Apr 15, 2026RXRLFReExam Litigation Found
Apr 15, 2026RXLITSRReexam Litigation Search Conducted
Apr 15, 2026PRXRParalegal Reexam Review Complete
Apr 8, 2026RXOSUB.RReexamination requested by third party requester
Apr 8, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 8, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Apr 8, 2026RXC/SRCertificate of Service
Apr 8, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-01437IPR — Discretionary Denial

Petitioner

Google LLC

Petition Filed

Sep 19, 2025

Institution

Jan 27, 2026

Decision

Jan 27, 2026

Terminated

Jan 27, 2026

IPR2022-00843IPR — Institution Denied

Petitioner

Hewlett Packard Enterprise Company et al.

Petition Filed

Apr 13, 2022

Institution

Oct 31, 2022

Terminated

Oct 31, 2022

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Dec 6, 2016
3.5-yr
Jun 6, 2020
Paid Jun 5, 2020
7.5-yr
Jun 6, 2024
Paid May 28, 2024
11.5-yr
Jun 6, 2028
Expiry
Jul 9, 2036

Entity Status

Large Entity

Expires

Jul 9, 2036 (10.2 yr remaining)

Assignments

2017201820192020FiledRADIX HOLDINGS, LLCSPECTRUM PATENTS, INC.NETWORK SECURITY TECHNOLOGIES, LLCK.MIZRA LLCDLI LENDING AGENT, LLCSecurity interest, May 2017DLI LENDING AGENT, LLCRelease, Jan 2020
AssignmentReel/Frame: 042311/0368Recorded: May 9, 2017

From

RADIX HOLDINGS, LLC
Mar 30, 2017
→

To

SPECTRUM PATENTS, INC.

Security InterestReel/Frame: 042554/0298Recorded: May 23, 2017

From

CRYPTOPEAK SOLUTIONS, LLC
May 5, 2017
ECTOLINK, LLC
May 5, 2017
INTERFACE LINX, LLC
May 5, 2017
SELECTIVE SIGNALS, LLC
May 5, 2017
SI-FLASH DRIVES, LLC
May 5, 2017
SOTERIA ENCRYPTION, LLC
May 5, 2017
SYNERGY DRONE, LLC
May 5, 2017
UNIBEAM PHOTONICS, LLC
May 5, 2017
→

To

DLI LENDING AGENT, LLC

AssignmentReel/Frame: 043862/0171Recorded: Oct 13, 2017

From

SPECTRUM PATENTS, INC.
Sep 22, 2017
→

To

NETWORK SECURITY TECHNOLOGIES, LLC

AssignmentReel/Frame: 051499/0047Recorded: Jan 13, 2020

From

NETWORK SECURITY TECHNOLOGIES, LLC
Dec 24, 2019
→

To

K.MIZRA LLC

ReleaseReel/Frame: 051892/0218Recorded: Feb 11, 2020

From

DLI LENDING AGENT, LLC
Jan 9, 2020
→

To

CRYPTOPEAK SOLUTIONS, LLC