A person who is not satisfied with an appellate court's decision can also a file an appeal at which court

A person who is not satisfied with an Appellate court decision can also file an appeal at the Supreme Court.

Explanation:

Appellate courts: are the part of the judicial system that is responsible for hearing and reviewing appeals from legal cases that have already been heard in a trial-level or other lower court. Appellate courts are present at the state and federal levels.

Appellate court is commonly called court of appeal.

The Supreme court is the highest judicial court in a country or state.