Trademarking a Slogan

Yes, a slogan can be trademarked in the United States.

A trademark protects words, phrases, logos, designs, or a combination of these that identify your goods or services and distinguish them from those of others.  Slogans fall under the "phrase" category of trademarks.

However, for a slogan to be trademarked, it generally needs to meet certain criteria:

Examples of well-known trademarked slogans in the US include:

It's important to note that while "common law" trademark rights can arise from simply using a slogan in commerce, federal registration with the USPTO provides significant advantages, such as nationwide legal protection and the ability to use the ® symbol.1