Thank you; the paternity of a child may be adjudicated according to the following statute of limitation: (up until 3 years after the child reaches the age of majority)
36-2-306. Statute of limitations.
An action to establish the parentage of a child may be instituted before or after the birth of the child and until three (3) years beyond the child's age of majority. The provisions of this chapter shall not affect the relationship of parent and child as established in § 31-2-105.
The mother may bring an action to establish paternity:
36-2-305. Agreement to establish parentage Complaint to establish parentage Parties When action may be brought Order of protection.
(a) The court may enter an order of parentage upon the agreement of the mother and father unless the court on its own motion orders genetic testing. In any such agreement, the mother and father must affirmatively acknowledge their parentage of the child. Any agreement under this part shall comply with the requirements of § 36-2-311.
(b) Absent an agreement or an acknowledgement of parentage as prescribed by §§ 68-3-203(g), 68-3-302, or 68-3-305(b), a complaint to establish parentage may be filed. Except as hereinafter provided, Tennessee Rules of Civil Procedure shall govern all actions under this subsection (b).
(1) A complaint to establish parentage of a child may be filed by:
(A) The child, if the child has reached the age of majority, or if the child is a minor, the child through a guardian or next friend;
(B) The child's mother, or if the mother is a minor, the mother's personal representative, parent, or guardian;
(C) A man claiming to be the child's father, or if the man is a minor, the man's parent, guardian, or personal representative;
(D) The department of human services or its contractor.
(2) One (1) man or several men may be named as the father. The naming of one (1) man as father does not preclude a later suit against another man if the court finds that the first man is not the father of the child.