"(i) Despite occasional references to a possible distinction between jurisdiction and discretion in the operation ofCPR 3.1 (7), there is in all probability no line to be drawn between the two. The rule is apparently broad and unfettered, but considerations of finality, the undesirability of allowing litigants to have two bites at the cherry, and the need to avoid undermining the concept of appeal, all push towards a principled curtailment of an otherwise apparently open discretion. Whether that curtailment goes even further in the case of a final order does not arise in this appeal. (ii) The cases all warn against an attempt at an exhaustive definition of the circumstances in which a principled exercise of the discretion may arise. Subject to that, however, the jurisprudence has laid down firm guidance as to the primary circumstances in which the discretion may, as a matter of principle, be appropriately exercised, namely normally only (a) where there has been a material change of circumstances since the order was made, or (b) where the facts on which the original decision was made were (innocently or otherwise) misstated."
"Even if one accepts all the criticisms made there are a number of difficulties with RM's case. In particular: (1) None of these failures could have affected David Steel J's finding that RM had been in contempt in his complete failure to comply with Master Miller's order of17 January 2007 . He had been ordered to produce the documents for a hearing of11 March 2008 . He failed to produce any documents. That pre-dates any of the criticisms made of Mr Benson."