Hi, F1ash, They could have filed a drug marketing application with FDA and with the approval probably gotten some exclusive rights but they chose not and probably go with only trademark protection. One reason, of course, is that providing evidence is costly (trials etc..) but also that then they would have to prove efficacy. Also, they are abusing FDA terminology in their marketing - there can't be phase IV after marketing approval study if there was not marketing approval based on phase III study. You know, if it smells like ...