Oh, absolutely. It's just that, if they grant yours first, and you also intentionally write it with overreach, then even if the PTO also grants theirs, the cou

Oh, absolutely. It's just that, if they grant yours first, and you also intentionally write it with overreach, then even if the PTO also grants theirs, the courts will find for you because yours has priority. That's the theory. In practice it tilts the odds in your favor, but is not an absolute safety net.