5.3.

5.3. Does your National Patent Office’s administrative practice provide that, whenever appropriate, claims contain:

   i. a statement indicating those technical features of the invention which are necessary for the definition of the claimed subject-matter but which, in combination, are part of the prior art.

   ii. a characterising portion, preceded by the words "characterised in that", "characterised by", "wherein the improvement comprises," or any other words to the same effect, stating concisely the technical features which, in combination with the features stated under (i), it is desired to protect?