I don't think that word means what you think it means...
I'm not OP, and I'm no lawyer, but I'm sure you're free to try this concept for yourself.
Three ways to protect IP
Trademark is for logos and names Parents are for methods and inventions Copyright is for works of art and writing
They might be able to trademark the phrase "continue and persist", but it's not likely. If they had they would have put a little TM or (r) next to it.
It's not sufficiently original to qualify for copyright protection.
And it's so far from being patentable I hope I don't have to explain why.