the doctrine of starry decisis which requires that courts adhere to judicial precedent is fundamental to the american judicial system nonetheless since 1921 every supreme court justice has voted at least once to overrule precedent dobbs vs jackson women's health organization is another instance in which the court overruled its own precedent jackson women's health organization an abortion provider and one of its doctors brought a federal court action challenging a mississippi law prohibiting abortions after 15 weeks of gestation on the ground that the law unconstitutionally infringed on a woman's right to an abortion as established in roe vs wade and planned parenthood of southeastern pennsylvania versus casey the federal district court granted summary judgment for the plaintiffs and permanently enjoined the law's enforcement the fifth circuit affirmed the united states supreme court granted cert