This summary is a blatant attempt to rewrite events and put a spin on what happened. He was "briefly detained" so the police could "determine if he intended for his clock to be perceived as a fake bomb"??? That's certainly not what they said at the time. They actually claimed to have thought it might be a bomb, and that they arrested him as a suspected terrorist. Despite the fact that he never pretended it was a bomb, and told them very clearly from the start that it was just a clock. There was, of course, evidence to indicate they never really believed it was a bomb (like making no attempt to evacuate), but that's what they said.
I don't at all support ridiculous lawsuits, and this has all the hallmarks of a lawyer scenting blood in the water. But let's be honest and not distort what actually happened.