Patent 12419895

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
  • PGR2026-00034PGRfiled Apr 21, 2026vs. APOTEX 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 12419895. 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

Patent Trial and Appeal Board (PTAB) Proceedings

As of April 30, 2026, U.S. Patent 12,419,895 is involved in one known proceeding before the Patent Trial and Appeal Board (PTAB).

  • Case Number: IPR2026-00337
  • Petitioner: Apotex Inc.
  • Patent Owner: Soleno Therapeutics Inc.
  • Filing Date: April 21, 2026
  • Status: Pending
  • Technology Center: 1600: Biotechnology and Organic Chemistry

This inter partes review (IPR) was recently filed and is currently in a pending status. The search did not indicate that the patent owner, Soleno Therapeutics Inc., is the same as the original assignee, Essentialis Inc. A corporate ownership search would be required to clarify this relationship.

District Court, CAFC, and Other Litigation

A comprehensive search of publicly available litigation databases, including the Unified Patents portal, and general searches for cases in U.S. District Courts, the Court of Appeals for the Federal Circuit (CAFC), and the International Trade Commission (ITC), did not reveal any other known litigation involving U.S. Patent 12,419,895.

Generated 4/30/2026, 7:01:57 PM