What human rights grounds can block extradition from France?

French courts regularly refuse extradition where it would violate Article 3 ECHR (risk of torture or inhuman treatment), Article 6 ECHR (flagrant denial of fair trial), or Article 8 ECHR (disproportionate interference with family life). Successful challenges typically require documentary evidence of prison conditions, judicial corruption, or political persecution in the requesting state. Reports from the UN Committee Against Torture, European Court of Human Rights judgments against the requesting country, and expert testimony on country conditions carry significant weight. The burden of proof lies with the requested person, but French courts apply a rigorous standard.