This section of the forum is for discussing the business and finance issues of the t-shirt industry. Which business structure to use (sole proprietor, LLC, S Corp, etc), how to handle billing, where to register your business and get the proper licensing, etc.
The little TM means trademark and can be used to show others you are using the name/design and it belongs to you, it's your trademark until you register it officially. The little R in a circle means registered trademark and shows you have registered the name/design. You can only use the R if you HAVE registered the name.