Family Law Research Guide
Comparative overview of custody presumptions and family law frameworks across US jurisdictions.
50/50 Custody Presumption States
States that presume shared parental responsibility absent evidence of harm or inability to parent:
| State | Statute | Year | Status | Notes |
|---|---|---|---|---|
| Kentucky - Original Model | KRS 403.270 | 2018 | Statutory | Rebuttable presumption; foundational legislation |
| Arizona | ARS § 25-403.02 | 2012 | Case Law | De facto presumption established via judicial precedent |
| Florida | Fla. Stat. § 61.13 | 2023 | Statutory | Amended to create presumption; largest state adoption |
| Arkansas | Ark. Code § 9-13-101 | 2021 | Statutory | Clear & convincing standard; explicit rebuttal framework |
Other Major Family Law States
| State | Key Statute | Custody Standard | Specialization |
|---|---|---|---|
| California | CA Family Code § 3044 | Best Interest (Discretionary) | Comprehensive family law; trust & estate integration |
| Utah | Utah Code § 30-3-10 | Best Interest (Statutory) | Presumption of equal custody; friendly parent doctrine |
| Idaho | Idaho Code § 32-717 | Best Interest (Statutory) | Enhanced parental involvement emphasis |
Family Law Topic Areas
Custody & Parental Responsibility
- 50/50 Shared Custody: Kentucky’s pioneering KRS 403.270 model and state-by-state comparisons
- Custody Standards: Best Interest vs. Shared Responsibility presumptions
- Modification & Enforcement: Rules for changing custody orders and enforcement mechanisms
- Relocation: Moving with children; jurisdiction and consent requirements
Parental Rights & Responsibilities
- Parental Powers: Decision-making authority (education, medical, religious)
- Child Support: Guidelines, deviation factors, modifications
- Visitation: Parenting time arrangements and enforcement
- Grandparent Rights: Recognition and limitations by jurisdiction
Family Relationships
- Marriage & Divorce: Statutory requirements, property division, alimony
- Domestic Partnerships: Recognition and legal status across states
- Adoption: Consent requirements, parental rights, termination
- Guardianship: Alternatives to custody; temporary and permanent arrangements
Trust & Estate Planning (Family Context)
- Wills & Trusts: Family provisions, charitable giving, tax efficiency
- Probate: Succession rules, spousal/child protections
- Power of Attorney: Family decision-making authority
- Advance Directives: Medical and end-of-life planning in family context
Cross-Jurisdiction Resources
Comparative Tables
- Custody Presumptions Table (above) - 50/50 states vs. best interest standard states
- Family Law Hierarchy: Federal framework → State codes → Administrative rules → Case law
Research Methods
- Statutory Approach: Start with primary statute (KRS 403, ARS § 25-403, Fla. Stat. § 61, Ark. Code § 9-13)
- Comparative Analysis: Review how different states address same issue (e.g., custody modification)
- Federal Overlay: Uniform laws (UCCJEA, PKPA), interstate enforcement
- Case Law: State appellate decisions interpreting statutory frameworks
Navigation
- Kentucky Statutes - Complete KRS with custody presumption focus
- Arizona Statutes - Case law development of 50/50 presumption
- Florida Statutes - Recent statutory adoption of presumption
- Arkansas Code - Clear & convincing rebuttal standard
- California Code - Comprehensive family law and trust integration
- Utah Code - Enhanced parental involvement framework
- Idaho Code - Best interest with parental involvement emphasis
- Federal Law - UCCJEA, PKPA, child support guidelines
See Also
- LexGraph - All jurisdictions
- Family law resource sites (state bar associations, legal aid organizations)
Last updated: 2026-03-29 Research guide for comparative family law across US jurisdictions