Patent 11967857

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.

  • IPR2026-00024IPRfiled Oct 10, 2025vs. Generac Power Systems, Inc.Discretionary Denial
  • IPR2026-00023IPRfiled Oct 10, 2025vs. Generac Power Systems, Inc.Discretionary Denial
  • IPR2026-00022IPRfiled Oct 10, 2025vs. Generac Power Systems, 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 11967857. The free-form analysis below may also discuss cases beyond this list.

  • Untitled case
    2:24-cv-01270Wisconsin Eastern District CourtLitigation

Litigation summary

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

✓ Generated

Known litigation involving US patent 11967857 includes:

  1. US District Court Case

    • Plaintiff(s): Not explicitly stated in the provided text.
    • Defendant(s): Not explicitly stated in the provided text.
    • Jurisdiction: Wisconsin Eastern District Court
    • Case Number: 2:24-cv-01270
    • Filing Date: Not explicitly stated in the provided text, but the case number suggests a 2024 filing.
    • Outcome/Current Status: Litigation (Source: District Court)

  2. PTAB Case IPR2026-00023

    • Plaintiff(s): Petitioner (details not explicitly stated)
    • Defendant(s): Not explicitly stated in the provided text.
    • Jurisdiction: PTAB (Patent Trial and Appeal Board)
    • Case Number: IPR2026-00023
    • Filing Date: Not explicitly stated in the provided text, but the case number indicates a 2026 filing.
    • Outcome/Current Status: Not Instituted - Procedural

  3. PTAB Case IPR2026-00024

    • Plaintiff(s): Petitioner (details not explicitly stated)
    • Defendant(s): Not explicitly stated in the provided text.
    • Jurisdiction: PTAB (Patent Trial and Appeal Board)
    • Case Number: IPR2026-00024
    • Filing Date: Not explicitly stated in the provided text, but the case number indicates a 2026 filing.
    • Outcome/Current Status: Not Instituted - Procedural

  4. PTAB Case IPR2026-00022

    • Plaintiff(s): Petitioner (details not explicitly stated)
    • Defendant(s): Not explicitly stated in the provided text.
    • Jurisdiction: PTAB (Patent Trial and Appeal Board)
    • Case Number: IPR2026-00022
    • Filing Date: Not explicitly stated in the provided text, but the case number indicates a 2026 filing.
    • Outcome/Current Status: Not Instituted - Procedural

Generated 5/25/2026, 12:48:53 PM