Logo design: One circle or ellipse
; Circles or ellipses containing one or more triangles or lines forming an angle
; Circles or ellipses containing one or more letters
; Letters repeated by mirror effect or symmetrically in any position
; One letter
The European Union Trademark for Leonardo (Figurative) was filed on 28.09.1998 for goods and services in class(es) 19, 41 and 42 at the European Union Intellectual Property Office (EUIPO). The current status of the trademark No. 000942599 Leonardo is 'registered'.