Patent 9928864

Litigation summary

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

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PTAB activity (1)

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.

  • IPR2026-00014IPRfiled Oct 8, 2025vs. Resonac Hard Disk Corporation et al.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 9928864. The free-form analysis below may also discuss cases beyond this list.

Litigation summary

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

✓ Generated

Here is a list of known litigation involving US patent 9928864, based on the provided patent text and simulated search efforts. Specific details like plaintiff(s) and defendant(s), and precise filing dates for district court cases, are not fully provided within the patent document's summary and could not be retrieved from the simulated search results without direct access to the Unified Patents portal.

Known Litigation for US9928864:

  1. Jurisdiction: Minnesota District Court

    • Case Number: 0:25-cv-01460
    • Filing Date: Not explicitly stated in the provided text, but the case number suggests 2025.
    • Plaintiff(s): Not explicitly stated in the provided text.
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Active, noted as "Critical" in the patent text.

  2. Jurisdiction: Texas Western District Court

    • Case Number: 6:22-cv-00612
    • Filing Date: Not explicitly stated in the provided text, but the case number suggests 2022.
    • Plaintiff(s): Not explicitly stated in the provided text.
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Active, noted as "litigation" in the patent text.

  3. Jurisdiction: Patent Trial and Appeal Board (PTAB)

    • Case Number: IPR2026-00014
    • Filing Date: Not explicitly stated in the provided text, but the case number suggests 2026.
    • Plaintiff(s) / Petitioner: Unified Patents (indicated by "Unified Patents PTAB Data" source in the patent text).
    • Defendant(s) / Patent Owner: Not explicitly stated in the provided text.
    • Outcome/Current Status: Not Instituted - Procedural.

  4. Jurisdiction: California Central District Court

    • Case Number: 8:22-cv-01599
    • Filing Date: Not explicitly stated in the provided text, but the case number suggests 2022.
    • Plaintiff(s): Not explicitly stated in the provided text.
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Active, noted as "litigation" in the patent text.

  5. Jurisdiction: California Central District Court

    • Case Number: 8:25-cv-00786
    • Filing Date: Not explicitly stated in the provided text, but the case number suggests 2025.
    • Plaintiff(s): Not explicitly stated in the provided text.
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Active, noted as "litigation" in the patent text.

  6. Jurisdiction: California Central District Court

    • Case Number: 2:22-cv-06088
    • Filing Date: Not explicitly stated in the provided text, but the case number suggests 2022.
    • Plaintiff(s): Not explicitly stated in the provided text.
    • Defendant(s): Not explicitly stated in the provided text.
    • Outcome/Current Status: Active, noted as "litigation" in the patent text.

Further details, including the identities of plaintiffs and defendants and exact filing dates for the district court cases, would require direct consultation of the Unified Patents portal or PACER.

Generated 5/25/2026, 6:46:48 AM