Under the America Invents Act there are 3 ways to challenge patent validity. By partes review (2nd option), with prior art, you must show it's either not inven

Under the America Invents Act there are 3 ways to challenge patent validity. By partes review (2nd option), with prior art, you must show it's either not inventive, or not novel (violating sections 102 or 103 of 35 U.S.C.)