; or (B) charged with infringement of the patent. (e) Real party in interest For purposes of this chapter, a person that, directly or through an affiliate, subsidiary, or proxy, makes a financial contribution to the preparation for, or conduct during, an inter partes review on behalf of a petitioner shall be considered a real party in interest of that petitioner. . (b) Institution decision rehearing timing Section 314 of title 35, United States Code, is amended by adding at the end the following: (e) Rehearing Not later than 45 days after the date on which a request for rehearing from a determination by the Director under subsection (b) is filed, the Director shall finally decide any request for reconsideration, rehearing, or review with respect to the determination, except that the Director may, for good cause shown, extend that 45-day period by not more than 30 days. . (c) Eliminating repetitive proceedings (1) In general Section 315 of title 35, United States Code, is amended— (A) in subsection (b), by amending the second sentence to read as follows: The time limitation set forth in the preceding sentence shall not bar a request for joinder under subsection (d), but shall establish a rebuttable presumption against joinder for the requesting person. ; (B) by redesignating subsections (c), (d), and (e) as subsections (d), (e), and (f), respectively