Wisconsin circuit courts
In addition, the courts are constrained from taking action that will encroach on the powers of the legislative or executive branches. Under the separation of powers doctrine, no branch of government may exercise a power of government assigned exclusively to another branch. The purpose of separating powers among the branches of government is to avoid concentration of governmental power in the hands of a new and to give the various branches the ability to check actions by the other branches.
State governments of the United States
The judicial branch in most states has a court of last resort usually called a supreme court that hears appeals from lower state courts. New York's highest court is called the Court of Appeals, while its trial court is known as the Supreme Court. Maryland also calls its highest court the Court of Appeals. Texas and Oklahoma each separate courts of last resort for civil and criminal appeals. Each state's court has the last word on issues of state law and can only be overruled by federal courts on issues of Constitutional law.