; (2) in paragraph (11), by striking ; and and inserting a semicolon; (3) in paragraph (12), by striking the period at the end and inserting ; and ; and (4) by adding at the end the following new paragraph: (13) providing that for all purposes under this chapter— (A) each challenged claim of a patent shall be construed as the claim would be construed under section 282(b) in an action to invalidate a patent, including by construing each challenged claim of the patent in accordance with— (i) the ordinary and customary meaning of the claim as understood by a person having ordinary skill in the art to which the claimed invention pertains; and (ii) the prosecution history pertaining to the patent