1. “Whether it is proper to treat a system built in 2019 for purposes of the litigation that included certain prior art components (i.e., the 2019 HAL System) as an anticipatory reference in the absence of proof that 2019 system actually existed prior to the 2006 critical date.”
2. “Whether the suggestion that a prior art system could have existed before the critical date can meet the clear and convincing evidence standard required to prove invalidity.”