Colo. Rev. Stat. » Title 19
Colorado Revised Statutes

Colo. Rev. Stat. § 19-4-101 (2026)

Short title

✓ current as of July 2026
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This article shall be known and may be cited as the "Uniform Parentage Act".

Source: L. 87: Entire title R&RE, p. 793, § 1, effective October 1.

Editor's note: This section was contained in a title that was repealed and reenacted in 1987. Provisions of this section, as it existed in 1987, are similar to those contained in 19-6-101 as said section existed in 1986, the year prior to the repeal and reenactment of this title.

Notes of Decisions
Cited in 58 cases (7 in the last 5 years), 1980–2026 · leading case: in Interest of M.B, 2020 COA 13 (Colo. Ct. App. 2020).
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in Interest of M.B, 2020 COA 13 (Colo. Ct. App. 2020). · cites it 2× “In doing so, the division addresses whether, in a dependency and neglect proceeding, paternity must be resolved “as soon as practicable” — the standard under the Uniform Parentage Act, sections 19-4-101 to -130, C.R.S. 2019. The division also declines to review unpreserved due…”
People in Interest of RTL, 780 P.2d 508 (Colo. 1989). · cites it 8× “), precludes a presumed father from asserting nonpaternity as a defense in a child support proceeding brought under Article 6 of the Colorado Children's Code (Children's Code), §§ 19-6-101 to 19-6-106, 8B C.”
People ex rel. J.G.C., 318 P.3d 576 (Colo. Ct. App. 2013). “T8 Determining a child's paternity (or, more rarely, maternity) in Colorado is subject to Colorado's version of the Uniform Parentage Act (the UPA), sections 19-4-101 to -130, C.R.8.2018. 19 Except as otherwise provided by law, the juvenile court has exclusive original…”
In re the Parental Responsibilities of A.R.L., 318 P.3d 581 (Colo. Ct. App. 2013). “Opinion by JUDGE DUNN T1 Can a child have a biological mother and a presumptive mother under the Colorado Uniform Parentage Act, sections 19-4-101 to -130, C.R.8.2013 (UPA)? The trial court implicitly answered this question "no," when it denied Elizabeth Limberis' petition for…”
In Re the Marriage of Smith, 7 P.3d 1012 (Colo. Ct. App. 2000). · cites it 4× “This third-party proceeding arose under the Uniform Parentage Act (UPA), § 19-4-101, et seq., C.R.S.1999, in connection with the dissolution of the marriage of husband and wife.”
L.G. v. People, 890 P.2d 647 (Colo. 1995). “1990) (applying the jurisdictional requirements of the UCCJA to an action for determination of parentage, custody, and visitation under the Uniform Parentage Act, §§ 19-4-101 to -129, 8B C.R.S. (1994 Supp.”
People Ex Rel. R.L.H., 942 P.2d 1386 (Colo. Ct. App. 1997). “In so concluding, the trial court reasoned that, because a parentage determination pursuant to UIFSA requires “application” of the Uniform Parentage Act (UPA), § 19-4-101, et seq., C.R.S. (1996 Cum.Supp.”
In the Interest of R.C., 775 P.2d 27 (Colo. 1989). · cites it 2× “Laws 1010, 1011-12 (now codified at §§ 19-4-101 to -129, 8B C.R.S. (1988 Supp.”
Petition of SO, 795 P.2d 254 (Colo. 1990). · cites it 2× “[7] Section 19-1-103(21), 8B C.R.S. (1989 Supp.), provides that a parent means either a natural parent of a child, as may be established under the Uniform Parentage Act, sections 19-4-101 to -129, 8B C.”
Petition of JBP, 608 P.2d 847 (Colo. Ct. App. 1980). · cites it 3× “filed a petition pursuant to § 19-4-101, et seq., C.R.S.1973 (1978 Cum.”
in the Interest of G.C.M.M, 2020 COA 152 (Colo. Ct. App. 2020). “Addison Freebairn, Colorado Springs, Colorado, for Appellee ¶1 In this paternity proceeding, we must consider the interplay between the jurisdictional provisions of the Uniform Parentage Act (UPA), §§ 19-4-101 to -130, C.R.S. 2019, and the Uniform Child- custody Jurisdiction and…”
in Interest of M.R.M, 2021 COA 22 (Colo. Ct. App. 2021). “Legal Principles ¶ 25 Under the Uniform Parentage Act (UPA), sections 19-4-101 to -130, C.R.S. 2020, a man is presumed to be the natural father of a child if, as relevant here, “genetic tests or other tests of inherited characteristics have been administered .”
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— Colo. Rev. Stat. § 19-4-101(l)(b) — 1 case
Petition of JBP, 608 P.2d 847 (Colo. Ct. App. 1980). “filed a petition pursuant to § 19-4-101, et seq., C.R.S.1973 (1978 Cum.”
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