The doctrine of exhaustion of remedies prevents a litigant from seeking a remedy in a new court or jurisdiction until all claims or remedies have been exhausted (pursued as fully as possible) in the original one. The doctrine was originally created by case law based on the principles of comity. In the United States, exhaustion of remedies is applied extensively in administrative law. Many cases are handled first by independent agencies of the United States government which have primary responsibility for cases involving the statutes or regulations which the agency administers.