Q: How long uncontested divorce in Illinois? A: 3-7 months typically, or 30-90 days if you qualify for joint simplified dissolution. Cook County (Chicago) takes longer (4-9 months) due to backlog. Smaller counties faster (2-5 months). | Q: Does Illinois have waiting period? A: No. Illinois has no mandatory waiting period. Once you file and prove grounds, divorce can finalize when court schedules prove-up hearing. | Q: What is joint simplified dissolution? A: Fast-track option in Illinois for couples married less than 8 years, no children, no real estate, combined assets under $50,000, both waive support and appeals. Can finalize in 30-90 days. | Q: How prove grounds in Illinois? A: Illinois only allows irreconcilable differences (no-fault). Prove by: (1) living separate and apart for 6+ months, OR (2) both spouses signing joint settlement agreement stating irreconcilable differences. | Q: Do I need parent education? A: Required in Cook County for all divorces with children (4 hours, $50). Strongly recommended but not mandatory in most other counties. | Q: What is Illinois maintenance formula? A: Illinois has statutory formula: 33.33% of higher earner's net income minus 25% of lower earner's net income. Capped so recipient's income plus maintenance doesn't exceed 40% of combined income. Courts can deviate with justification.