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Patent directory · USPTO A61K / A61P

Patents matching “methadone”

3 pharma patents match "methadone" 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 "methadone" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

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

  1. US 12384744

    Enzyme-cleavable methadone prodrugs and methods of use thereof

    Ensysce Biosciences Inc. · Granted Aug 12, 2025 · Expires Aug 7, 2045

    granted

  2. US 9855226

    d-methadone for the treatment of psychiatric symptoms

    Relmada Therapeutics, Inc. · Granted Jan 2, 2018 · Expires Dec 28, 2037

    granted

  3. US 9468611

    d-Methadone for the treatment of psychiatric symptoms

    Relmada Therapeutics, Inc. · Granted Oct 18, 2016 · Expires Oct 13, 2036

    granted

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