The concept of utility model refers only to material products of a durable form, so objects which characterize a certain spatial shape.

An item which, after it has been separated from the environment, shall be regarded as a utility model which still retains its usefulness (eg. Must not be a utility model of the "wall" acting function, but may be a specific technical element eg. Panel, block, brick). The application model may be an object consisting of parts whose position is not fixed, provided that the freedom of movement of those parts is clearly defined. The binding of Przemieszczalnych parts must be organic or functional e.g. window and frame. A utility model may also be subject to the nature of the material from which it is made, provided that the material is a decisive characteristic of the usability.