4.5 Essential features
4.5.3 Generalisation of essential features
In deciding how specific the essential features must be, the provisions of Art. 83 must be borne in mind: the application as a whole must describe the necessary characteristics of an invention in a degree of detail such that a skilled person can perform the invention (see F‑III, 3). It is not necessary to include all details of the invention in the independent claim. Thus, a certain degree of generalisation of the claimed features may be permitted if the claimed generalised features as a whole allow the problem to be solved. In this case, a more specific definition of the features is not required. This principle applies equally to structural and functional features.