Holding that a red heart on a teddy bear "earrie[d] no distinctive message of origin to the consumer . . . given the heart shape's widespread use as decoration for any number of products put out by many different companies"
In AmBrit, the trademark holder failed to use the mark for 48 years, and then resumed extensive use. During the interim, however, a competitor used a similar mark in commerce.
Holding that plaintiff's trade dress for an automobile polish was merely a combination and refinement of elements already prevalent in the relevant product market