in this land of opportunity, you can copyright/trademark/patent practically anything ;-). How else do the rich get richer and the number of lawyers keep growing ? Protect your investment, even if it's just a word from the dictionary.
As an aside it's normally duplicate names that could be misconstrued, I.e. the same industry. If it was a cough medicine they wouldn't have had a chance, since it's computing it's whomever has the most money and best lawyers (the recent Samsung vs Apple case proved expensive lawyers can be pants).