Permission of a judge in chambers or a division of judges to do something. It is most often used in the context of getting permission to commence an appeal, which is required in certain types of cases. For example, “leave to appeal” refers to seeking permission from the court or a justice to appeal an order.
An order, such as those set out in Rule 11, that requires leave to appeal. Rule 11 sets out the types of orders for which leave to appeal is required in order to commence your appeal. A party bringing an appeal or cross appeal must apply for leave to appeal if the order being appealed in a limited appeal order.