Linder v. United States, 268 U.S. 5 (1925), is a Supreme Court case involving the applicability of the Harrison Act.

Dr. Charles O. Linder of Spokane, Washington prescribed the drugs to addicts, which the federal government said was not a legitimate medical practice.

Linder appealed, and the Supreme Court unanimously overturned his conviction, holding that the federal government overstepped its power to regulate medicine.

"[1] With the passage of myriad later laws, including the Controlled Substance Act which gives no exemption whatsoever to Schedule I drugs, and the end of Lochner era, the holding of Linder has now been mostly vitiated.

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