En banc, in banc, in banco or in bank is a
French term used to refer to the hearing of a case by all the
judges of a
court.
Appellate courts in the
United States sometimes grant rehearing en banc to reconsider a decision of a
panel of the court (a panel generally consisting of only three judges), where the case concerns a matter of exceptional public importance or the panel's decision appears to conflict with a prior decision of the court. In rarer instances, an appellate court will order hearing en banc as an initial matter, instead of the panel hearing it first.
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Fr. "by the full court" "in the bench" or "full bench." When all the members of an appellate court hear an argument, they are sitting en banc. Refers to court sessions with the entire membership of a court participating rather than the usual quorum. U.S. courts of appeals usually sit in panels of three judges, but may expand to a larger number in certain cases. They are then said to be sitting en banc.