"the claim refers to an aim to be achieved in a nontechnical field, this aim may legitimately appear in the formulation of the [objective technical problem as part of the framework of the technical problem that is to be solved, in particular as a constraint that has to be met." The technical professional or skilled person would, in a realistic situation, receive knowledge of the features which do not as such make a contribution to the technical character of the invention (the non-technical features) as part of the task information given to him (the objective technical problem). In other words, it is permissible to include non-technical features into the formulation of the technical problem, so that they cannot support a finding of inventive step.