The mark consists of two concentric circles, with the outer circle grey and the inner circle shaded in in blue. In the center of the inner circle is a hollow letter "N" with a white design inside, made up of four segments coming together, with three concentric circles where they meet in the center, the outer and inner circles being black and the middle one blue. Below the overall image is the phrase "NEUROLON" in lower case, grey letters. The background of the mark is black.
The color(s) blue, black, grey, white is/are claimed as a feature of the mark.