"Just because you can," is rarely a good reason to support a decision that really matters. This principle is no less true in the trademark world than it is elsewhere.
So, relying on your own navigation of the U.S. Patent and Trademark Office’s (USPTO) online search database without also seeking a trademark attorney’s competent analysis of the

Trademark types frequently encounter brand owners and managers with substantial misunderstanding and confusion about when use of the federal registration notice symbol is lawful. Most of the time a misuse or technical violation results from an honest mistake, but sometimes the misuse is, and starts out intentional, or perhaps the misuse begins to look intentional if it isn’t promptly
A lot can be learned from the