; (D) by amending subsection (d), as so redesignated, to read as follows: (d) Joinder (1) In general If the Director institutes an inter partes review, the Director, in the discretion of the Director, may join as a party to that inter partes review any person that properly files a request to join the inter partes review and a petition under section 311 that the Director, after receiving a preliminary response under section 313 or the expiration of the time for filing such a response, determines warrants the institution of an inter partes review under section 314. (2) Time-barred person Pursuant to paragraph (1), the Director, in the discretion of the Director, may join as a party to an inter partes review a person that did not satisfy the time limitation under subsection (b) that rebuts the presumption against joinder, except that any such person shall not be permitted to serve as the lead petitioner and shall not be permitted to maintain the inter partes review unless a petitioner that satisfied the time limitation under subsection (b) remains in the inter partes review. ; (E) by amending subsection (e), as so redesignated, to read as follows: (e) Multiple proceedings (1) In general Notwithstanding sections 135(a), 251, and 252, and chapter 30, after a petition to institute an inter partes review is filed, if another proceeding or matter involving the patent is before the Office— (A) the parties shall notify the Director of that other proceeding or matter— (i) not later than 30 days after the date of entry of the notice of filing date accorded to the petition; or (ii) if the other proceeding or matter is filed after the date on which the petition to institute an inter partes review is filed, not later than 30 days after the date on which the other proceeding or matter is filed