The color(s) black, white, and yellow is/are claimed as a feature of the mark.
The mark consists of a black background, in large font white letters at the top the word PORTAL, a picture of six stacked wine barrels in front of a stylized large yellow numeral 6, in medium font the words 6 barrels, and in small font the words TAWNY RESERVE PORTO.
PORTAL SIX SIX BARRELS TAWNY RESERVE PORTO