The two-limb test for leave to appeal interlocutory decisions (sufficient doubt plus substantial injustice) applies with particular stringency to procedural decisions of case-managing judges in the commercial and managed cases list. A proposed minute of interrogatories that is disproportionate in scope (here, 68 pages, 528 questions, 150 pages of annexures) will not support a grant of leave, especially where the judge below has left open the possibility of a further, more focused application.
The full text is available to signed-in members, including the 9 later cases that cite this judgment.
5 of the 9 citing cases carry a classified treatment. How each court treated it is available to signed-in members.