Patent 8234705

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

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PTAB activity (3)

AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.

  • IPR2025-01436IPRfiled Sep 19, 2025vs. Google LLCDiscretionary Denial
  • IPR2025-01468IPRfiled Aug 29, 2025vs. Citrix Systems, Inc. et al.Terminated
  • IPR2025-01115IPRfiled Aug 13, 2025vs. Netskope, Inc.Discretionary Denial

Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.

Cases on file (1)

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Specific litigation cases in our database that name US patent 8234705. The free-form analysis below may also discuss cases beyond this list.

  • Untitled case
    1:26-cv-00316U.S. District Court for the Western District of TexasPending

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

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Litigation and Administrative Challenges Involving US Patent 8,234,705

As of April 26, 2026, US Patent 8,234,705, titled "Contagion isolation and inoculation," has been the subject of multiple legal and administrative challenges, including district court litigations and proceedings before the Patent Trial and Appeal Board (PTAB). The patent is currently owned by K Mizra LLC.

Below is a detailed list of the known legal disputes involving this patent.

District Court Litigation

The following are pending litigations identified in various jurisdictions:

  • Case Number: 1:26-cv-00316

    • Plaintiff(s): To be determined from court records.
    • Defendant(s): To be determined from court records.
    • Jurisdiction: U.S. District Court for the Western District of Texas.
    • Filing Date: Information not publicly available.
    • Status: Pending.

  • Case Number: 1:25-cv-00236

    • Plaintiff(s): To be determined from court records.
    • Defendant(s): To be determined from court records.
    • Jurisdiction: U.S. District Court for the Western District of Texas.
    • Filing Date: Information not publicly available.
    • Status: Pending.

  • Case Number: 3:25-cv-04833

    • Plaintiff(s): To be determined from court records.
    • Defendant(s): To be determined from court records.
    • Jurisdiction: U.S. District Court for the Northern District of California.
    • Filing Date: Information not publicly available.
    • Status: Pending.

  • Case Number: 5:25-cv-04833

    • Plaintiff(s): To be determined from court records.
    • Defendant(s): To be determined from court records.
    • Jurisdiction: U.S. District Court for the Northern District of California.
    • Filing Date: Information not publicly available.
    • Status: Pending.

Patent Trial and Appeal Board (PTAB) Proceedings

The patent has faced several challenges at the PTAB, primarily through Inter Partes Review (IPR) petitions, which seek to invalidate the patent's claims.

  • Case Number: IPR2025-01468

    • Petitioner(s): Cloud Software Group Inc., Citrix Systems Inc.
    • Patent Owner: K Mizra LLC
    • Filing Date: August 29, 2025
    • Outcome/Status: Procedural Termination.

  • Case Number: IPR2025-01436

    • Petitioner(s): Google LLC
    • Patent Owner: K Mizra LLC
    • Filing Date: September 19, 2025
    • Outcome/Status: Not Instituted - Procedural.

  • Case Number: IPR2025-01115

    • Petitioner(s): Netskope Inc.
    • Patent Owner: K Mizra LLC
    • Filing Date: August 13, 2025
    • Outcome/Status: Not Instituted - Procedural.

  • Case Number: IPR2022-00084

    • Petitioner(s): Cisco Systems Inc., Forescout Technologies Inc., Hewlett Packard Enterprise Co.
    • Patent Owner: K Mizra LLC
    • Filing Date: October 22, 2021
    • Outcome/Status: Settled.

  • Case Number: IPR2022-00081

    • Petitioner(s): Cisco Systems Inc., Forescout Technologies Inc., Hewlett Packard Enterprise Co.
    • Patent Owner: K Mizra LLC
    • Filing Date: October 22, 2021
    • Outcome/Status: Settled.

  • Case Number: IPR2021-00593

    • Petitioner(s): Cisco Systems Inc., Forescout Technologies Inc., Hewlett Packard Enterprise Co.
    • Patent Owner: K Mizra LLC
    • Filing Date: March 15, 2021
    • Outcome/Status: Settled.

Ex Parte Reexamination

An ex parte reexamination of the patent has also been requested.

  • Application Number: 90016173
    • Requestor: Google LLC
    • Patent Owner: K Mizra LLC
    • Filing Date: April 8, 2026
    • Status: Pending Receipt of Original or Corrected Ex Parte Reexam Request. This reexamination is noted as being related to the copending litigations.

Generated 5/13/2026, 6:46:51 PM