Bar Examination is an examination conducted for law school graduates for license to practice law. A pass in the bar examination is required to practice as an attorney in all states. On obtaining license in a state, an attorney is authorized to practice in all courts in that state. If an attorney has to practice in some other state s/he has to attend the bar exam of that state or in some cases may practice with the leave of the court. Usually, bar examinations are multi day tests.