Check out the links below to find out ALL THE DETAILS on why Harley-Davidson may not prohibit Ron Grottanelli from using "hog" to identify his motorcycle products and services. Like any other manufacturer with a product identified by a word that is generic.

http://www.realriders.com/bikernews/hog.htm
http://www.westbuslaw.com/cases/harley.html
http://www.tourolaw.edu/2ndCircuit/January99/97-9446.html
http://www.law.columbia.edu/trademarks/graphics/harleyd.html
http://www.harley-davidson.com/company/news/news1691211.asp
http://www.dle-law.com/trademk.htm