The Institute has been involved in numerous high-profile cases. Particularly noteworthy cases include school choice lawsuits in Cleveland, Milwaukee, Arizona, and Florida; an eminent domain lawsuit brought against Donald Trump; the interstate wine sales case of Swedenburg v. Kelly; and the eminent domain lawsuit of Kelo v. City of New London. The initial funding for the Institute came from the Koch Family Foundations which also fund the libertarian Cato Institute and Citizens for a Sound Economy.