proprietary name
Definition - A name that is owned — i.e. it is someone's or some company's property.

1. The ownership right is asserted through trademarking.

Example -
Kodak, MooT, and The Sopranos

Etymology -
The word proprietary derives from the Latin proprietas, owner.

Oxford English Dictionary -
The term's first citation is from 1933:
"Vaseline.… A proprietary term, introduced by R. A. Chesebrough in 1872."
(O.E.D. (new impr.) s.v. Vaseline)

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