[narcissus]

From the Wikipedia article: "Such trademarks would include instantly recognizable brand names, such as Coca-Cola, Kleenex, Kool-Aid, or Sony, and unique terms that were invented (such as Exxon) rather than surnames (such as Ford or Zamboni) or ordinary words in language."

So in this case, at least, I would think that 'Apple' is an 'ordinary word'.