Vacco v. Quill

Background

In this case New York state officials defended a law that makes it a crime to help another person commit suicide. Three New York physicians said they would prescribe lethal medication for mentally competent, terminally ill patients but were deterred by the law. Three gravely ill patients (some since deceased) joined the suit, arguing that because New York allows competent people to refuse life‑saving medical treatment, the assisted‑suicide ban treats similarly situated people unequally. A federal trial court upheld the law but the Second Circuit struck it down, prompting review.

Reasoning

The Court asked whether the ban violated the Equal Protection Clause by treating like people differently. The Court held the statutes do not target a protected class or burden a fundamental right and therefore require only a rational relation to a legitimate state interest. The majority explained that refusing treatment is legally and causally different from prescribing lethal drugs: one lets an underlying disease cause death, the other intentionally causes death. The Court also cited longstanding medical, legal, and legislative practice drawing the line between withdrawing treatment and assisting suicide. New York’s goals — preserving life, protecting vulnerable people, maintaining doctors’ healing role, and preventing a slide toward euthanasia — were found rational.

Real world impact

The decision permits New York and similarly situated States to prohibit physician‑assisted suicide while continuing to allow patients to refuse life‑sustaining treatment. Doctors remain subject to criminal liability for assisting suicide, and terminally ill patients who seek lethal prescriptions cannot rely on an Equal Protection defense in federal court. The ruling reversed the Second Circuit and leaves policy changes to legislatures and state law.

Dissents or concurrances

Several Justices wrote separate opinions. Justice O'Connor concurred; Justice Souter also concurred in the judgment, emphasizing the importance of the claims but agreeing the ban survives review.