Wednesday, July 8, 2026

Patent directory · USPTO A61K / A61P

Patents matching “cantharidin”

3 pharma patents match "cantharidin" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.

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This filtered view shows 3 pharmaceutical patents matching "cantharidin" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

3 results for “cantharidin” · 30,257 patents in full index Clear search

  1. US 12221452

    Synthesis of cantharidin

    Verrica Pharmaceuticals Inc. · Granted Feb 11, 2025 · Expires Feb 6, 2045

    granted
  2. US 11168091

    Quantification and preparation of pharmaceutical grade cantharidin

    Verrica Pharmaceuticals Inc. · Granted Nov 9, 2021 · Expires Nov 4, 2041

    granted
  3. US 10745413

    Commercially viable synthesis of cantharidin and bioactive cantharidin derivatives

    Verrica Pharmaceuticals Inc. · Granted Aug 18, 2020 · Expires Aug 13, 2040

    granted