There are multiple definitions - click on the translation that matches your context.

Marke

Substantiv

full

trademark

noun

Definitions of trademark

English

a defining characteristic

Savile row suits, with matching tie and handkerchief, were his trademark.

English

words or symbols that a company uses to identify itself, which are registered and protected against use by anyone else

While we appreciate the humor, they cannot use our name, which is a protected trademark.