Patent 12569491

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
  • PGR2026-00059PGRfiled Jun 18, 2026vs. Neurocrine Biosciences, Inc.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 12569491. 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

Known Litigation Involving US Patent 12569491

As of April 26, 2026, a direct search for litigation involving US patent 12569491 through publicly accessible databases like PACER and the CAFC dockets did not immediately yield explicit results for district court litigation or appeals at the Federal Circuit.

However, as stated in the previously generated "Patent summary" and "PTAB challenges" sections, there is "First worldwide family litigation filed" related to this patent family, and there is one active Post-Grant Review (PGR) proceeding on US patent 12569491, namely PGR2026-00059. This PGR is a challenge to the patent's validity before the Patent Trial and Appeal Board (PTAB) and is a form of litigation.

PGR2026-00059 — Neurocrine Biosciences, Inc. v. Spruce Biosciences Inc

  • Plaintiff(s): Neurocrine Biosciences, Inc. (Petitioner)
  • Defendant(s): Spruce Biosciences Inc (Patent Owner)
  • Jurisdiction: Patent Trial and Appeal Board (PTAB) of the U.S. Patent and Trademark Office
  • Case Number: PGR2026-00059
  • Filing Date: 2026-06-18
  • Outcome or Current Status: Pending. The petition has been filed and is awaiting a decision on institution, which is expected around 2026-12-18.

Generated 6/19/2026, 6:45:36 AM