644. Appeals from the Patents Court.

644.     Appeals from the Patents Court.

Appeal lies from a decision of the Patents Court in the exercise of its original jurisdiction, in the ordinary way, on a question of law or fact, to the Court of Appeal1 and thence, with leave, to the Supreme Court2.

Appeal lies to the Court of Appeal (and thence, with leave, to the Supreme Court) from a decision of the Patents Court on an appeal from a decision of the comptroller only with leave of the Patents Court or of the Court of Appeal3, and only where either: