Indiana Code Title 31. Family Law and Juvenile Law § 31-35-1-4.5

(1) fails to file a paternity action under IC 31-14 or in a court located in another state that is competent to obtain jurisdiction over the paternity action, not more than thirty (30) days after receiving actual notice under IC 31-19-3 of the mother's intent to proceed with an adoptive placement of the child, regardless of whether:

(2) files a paternity action:

during the thirty (30) day period prescribed by subdivision (1) and fails to establish paternity in the paternity proceeding within a reasonable period determined under IC 31-14-21-9 through IC 31-14-21-9.2 or the laws applicable to a court of another state when the court obtains jurisdiction over the paternity action.