Which trademark should I protect?

From the information you provided:

  • You have a brand name

  • You do not currently have a logo

Having a brand name without a supporting logo is not that unusual. It means that brand name is very important to you is your most important trademark

You should seek to protect your brand name

You can do that by:

  • Choosing “Word or Words” as they type of trademark you want to protect

  • Carefully typing in your brand name, making sure you do not include any typos