Restaurants like to adopt names that tell customers about the
nature of the restaurant in some interesting way. But it can be
difficult to register a descriptive name as a service mark.
A mark is merely descriptive if it immediately conveys knowledge
of a quality, feature, function, or characteristic of the goods or
services with which it is used. If your restaurant name is
"merely descriptive," you cannot get exclusive rights to
that name without proof that customers have come to recognize the
name as identifying your restaurant and distinguishing it from
others (known as acquiring "secondary meaning"). But if
the name is "suggestive," it is considered inherently
distinctive without further proof. The dividing line is thin.