Sissel v. United States Department of Health & Human Services was a lawsuit filed by the Pacific Legal Foundation as a constitutional challenge to the Patient Protection and Affordable Care Act (ACA). The plaintiffs claimed that the ACA's enactment violated the Origination Clause of the Constitution. The suit was dismissed by the U.S. District Court for the District of Columbia, and the dismissal was affirmed by the U.S. Court of Appeals for the District of Columbia Circuit. The plaintiffs sought review by the U.S. Supreme Court, which declined to hear an appeal.