Guide to understanding what a trademark is, the different types of trademarks, searching for United States registered trademarks and how to apply for one
This best trademark to choose is one that is "inherently distinct" and will not be confused with another existing trademark for a similar product or service line.
Strong Trademarks describes types of trademarks from strongest to weakest, i.e., those having the best chance of being registered by the USPTO to those that will be automatically refused.
Fanciful are invented words such as Kleenex, Kodak or Xerox
Arbitrary are existing vocabulary used in an arbitrary way such as Apple (computers) or Diesel (fashion label)
Suggestive connote a characteristic of the product such as Coppertone for suntan lotion
Descriptive merely describe how a product is, example, "creamy whip" for a whipped topping
Generic merely signify what a product is such as "dog food" or "milk"