13 Del. C. § 8-637: Binding effect of determination of parentage [Effective until Dec. 6, 2026].

(a) Except as otherwise provided in subsection (b) of this section, a determination of parentage is binding on:

(1) All signatories to an acknowledgment or denial of paternity as provided in subchapter III of this chapter;

(2) All parties to an adjudication by a court acting under circumstances that satisfy the jurisdictional requirements of § 6-201 of this title;

(3) The child.

(b) In a proceeding to dissolve a marriage, the court is deemed to have made an adjudication of the parentage of a child if the court acts under circumstances that satisfy the jurisdictional requirements of § 6-201 of this title and the final order:

(1) Expressly identifies a child as a “child of the marriage,” “issue of the marriage,” or similar words indicating that the husband is the father of the child; or

(2) Provides for support of the child by the husband unless paternity is specifically disclaimed in the order.

(c) Except as otherwise provided in subsection (b) of this section, a determination of parentage may be a defense in a subsequent proceeding seeking to adjudicate parentage by an individual who was not a party to the earlier proceeding.

(d) A party to an adjudication of paternity may challenge the adjudication only under law of this State relating to appeal, vacation of judgments or other judicial review.