These appellate courts ensure that lower courts have made the correct assessment and followed the correct procedures of the law. “In addition, the Court of Appeals for the Federal Circuit has nationwide jurisdiction to hear appeals in specialized cases such as those involving patent laws and cases decided by the US Court of Federal Claims” (Court Role and Structure). These courts do not use a jury and only have about three judges. Finally, the highest courts of appeal are the Supreme Court and the Court of Criminal Appeals. The Supreme Court is involved in civil jurisdiction and has only nine justices. However, the court of appeal deals with criminal jurisdiction and has nine judges. “Comprised of the Chief Justice and eight justices, the Texas Supreme Court is the court of last resort for civil matters in the state of Texas” (The Texas Supreme Court). Then there is the Court of Criminal Appeal, which is the highest for any criminal