2 parties bring up what they believe is the legal justification for their position in dispute and a judge rules on which is the correct position. If a party thinks the judge got the ruling wrong (interpreted the law wrong), they object and appeal.
2 parties bring up what they believe is the legal justification for their position in dispute and a judge rules on which is the correct position. If a party thinks the judge got the ruling wrong (interpreted the law wrong), they object and appeal.