OH HB590

Defines "reasonable force" as force a reasonable person would judge necessary to prevent injury or loss, which can include deadly force if needed to protect life or safety.

Eliminates duty to retreat from any place where a person is lawfully present before using or threatening reasonable force in self-defense, defense of another, or defense of residence or vehicle.

Establishes civil and criminal immunity for persons who use or threaten reasonable force in accordance with justified self-defense, defense of another, or defense of residence provisions.

Creates presumption that person acted in self-defense or defense of another when using deadly force if unlawful entry occurs or person is being unlawfully removed from a lawful location, subject to specific exceptions involving lawful residents, law enforcement, and criminal activity.

Requires pretrial immunity hearings in criminal and civil cases; shifts burden to prosecution or plaintiff to prove beyond reasonable doubt that force was not justified, with prevailing defendants eligible for attorney's fees and court costs.