No he signed an affidavit which said he had not acted as a professional engineer during the time it was lapsed which was true. Because he hadn't done any engineering work.
The entire "representation" was just a title on a single slide of a PowerPoint presentation.
He lost in state court because the MBoE lied about the order of events and decided to "make an example" out of him. And the reason they decided to do that was 100% because they didn't like the content of his political speech.
And that's the point. These organizations will use and abuse their power to punish dissent. Period.