It depends on whether they have evidence to prove that the trademark logo you actually use infringes the copyright of the font. Because you have changed now, if they don't have the previous evidence, it will be difficult for them to win the case.

At the same time, you don't know whether they have valid evidence, so it is not convenient to file a non-infringement lawsuit.

At present, this proposal has been ignored. If the other party files a lawsuit, it shall decide whether to counterclaim according to the evidence provided by the other party.