The mark comprises a complex structure characterized by the presence of figurative and nominative elements; in particular, there is the drawing of a broken curved line which symbolises in a stylized manner the letters "I", "N" et "D", with to the left a closed lobed shape corresponding to the letter "D", the above lobed shape contains another letter in full stroke which is parallel, to the right of all this there is the inscription "indena" and, below, the inscription "Science is Our Nature".