What are the merits of the following cause of action in a trademark infringement case:

1. Trademark Infringement — 15 U.S.C. 1114
2. Federal Trademark Dilution — 15 U.S.C. 1125(c)
3. False Designation of Origin — 15 U.S.C. 1125(a)
4. Common Law Trademark Infringement
5. Common Law Unfair Competition