; and (B) in paragraph (12), by striking section 315(c) and inserting section 315(d) . (d) Conduct of inter partes review Section 316 of title 35, United States Code, is amended— (1) in subsection (a)— (A) by amending paragraph (5) to read as follows: (5) setting forth standards and procedures for discovery of relevant evidence, including that such discovery shall be limited to— (A) the deposition of witnesses submitting affidavits or declarations; (B) evidence identifying the real parties in interest of the petitioner; and (C) what is otherwise necessary in the interest of justice; ; (B) by amending paragraph (9) to read as follows: (9) setting forth standards and procedures for— (A) allowing the patent owner to move to amend the patent under subsection (d) to cancel a challenged claim or propose a reasonable number of substitute claims; (B) allowing the Patent Trial and Appeal Board to provide guidance on substitute claims proposed by the patent owner; (C) allowing the patent owner to further revise proposed substitute claims after the issuance of guidance described in subparagraph (B); and (D) ensuring that any information submitted by the patent owner in support of any amendment entered under subsection (d), and any guidance issued by the Patent Trial and Appeal Board, is made available to the public as part of the prosecution history of the patent; ; (C) in paragraph (12), by striking and at the end; (D) in paragraph (13), by striking the period at the end and inserting ; and ; and (E) by adding at the end the following: (14) setting forth the standards for demonstrating exceptional circumstances under sections 303(e)(1) and 315(e)(2).