The mark consists of the stylized wording "IDIFU" contained inside a rectangle. To the left of the stylized wording is the letter "D" contained insides a shaded rectangle.
The name(s), portrait(s), and/or signature(s) shown in the mark does not identify a particular living individual.
Color is not claimed as a feature of the mark.
The wording "DIDIFU" has no meaning in a foreign language.