009 — Class 9 consists mostly of instruments used for controlling vehicles (such as ships), scientific research, and all computer programs and software regardless of the recording media such as CD-ROMs, hard drives, downloads, etc.

017 — Class 17 includes mainly electrical, thermal and acoustic insulating materials and plastics, being for use in manufacture in the form of sheets, blocks and rods.

037 — Class 37 includes mainly services rendered by contractors or subcontractors in the construction or making of permanent buildings, as well as services rendered by persons or organizations engaged in the restoration of objects to their original condition or in their preservation without altering their physical or chemical properties.

042 — Class 42 includes mainly services provided by persons, individually or collectively, in relation to the theoretical and practical aspects of complex fields of activities; such services are provided by members of professions such as chemists, physicists, engineers, computer programmers, etc.