Patent 12291566

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.

1 active
  • IPR2026-00259IPRfiled Mar 20, 2026vs. Accord BioPharma, Inc. et al.Pending

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 12291566. The free-form analysis below may also discuss cases beyond this list.

  • Untitled case
    1:26-cv-00222Delaware District CourtActive litigation

Litigation summary

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

✓ Generated

US patent 12291566 is involved in the following known litigation:

  • Case Number: 1:26-cv-00222

    • Jurisdiction: Delaware District Court
    • Status: Active litigation

  • Case Number: IPR2026-00259

Please note that the plaintiff(s), defendant(s), and filing dates are not explicitly provided in the available snippets for these cases.

Generated 5/29/2026, 5:53:20 PM