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Guidelines for Examination

User interfaces 

Features concerning the graphic design of user interfaces do not have a technical effect, because their design is not based on technical considerations, but on general intellectual considerations as to which design is particularly appealing to a user.

For example, the colour, shape, size, layout or arrangement of items on the screen is usually not a technical aspect of a graphical user interface. Also, the information contained in a message displayed on a device is not technical even if it prompts the user to perform some specific action on the device.

However, when these features are combined with interaction steps or means or when they concern technical information (e.g. internal machine states), the examiner must check whether they are necessary for achieving a particular technical effect, for example by enhancing the precision of an input device or by lowering the cognitive burden of a user when performing certain computer interactions. The technical effect achieved might be a more efficient man-machine interface.