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Self Defence

ORC 2901.05 and 2901.09 — what the state has to prove

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Two changes in recent years reshaped this entirely, and both went the same direction. One moved the burden of proof. The other removed the duty to retreat. Anything written about Ohio self defence before 2019 describes a different rule.

You do not prove self defence. The state disproves it. Once there is evidence at trial that tends to support acting in self defence, defence of another, or defence of a residence, the prosecution must prove beyond reasonable doubt that you did not. That is the opposite of the old rule, where the burden sat on the defendant.

There is no duty to retreat before using force anywhere you lawfully have a right to be. The statute goes further than removing the duty: it tells the trier of fact not to consider the possibility of retreat at all when weighing whether the force was reasonably believed to be necessary.

  • The rule reaches self defence, defence of another, and defence of a residence.
  • It applies anywhere you are lawfully present, not only at home.
  • Being somewhere unlawfully takes you outside it.
  • Removing the duty to retreat does not remove the requirement that the belief in the need for force was reasonable.

Separately there is a presumption. Where the person that force was used against was unlawfully entering, or had unlawfully entered, the residence or the occupied vehicle of the person using it, self defence is presumed. That presumption does not apply where the other person had a right to be there or lived there, or where the person using force was themselves there unlawfully.

This section states the law. It does not tell you when to act. Every one of these turns on facts a court finds afterwards, including what a reasonable person would have believed at that moment. Nothing here is a green light, and no page can tell you what a specific situation calls for.

Stand your ground came in through Senate Bill 175, effective April 2021. The burden shift came earlier, through House Bill 228, in 2019. Both are now in the sections cited above.

Sources for this section (2)
  1. ORC 2901.05 — Burden of proof, and the self defence presumption
  2. ORC 2901.09 — No duty to retreat where you lawfully are

Legal information, not legal advice. Verified as of September 2026. Talk to a licensed Ohio attorney about your situation.

MyRightz is legal education, not legal advice. Nothing here creates an attorney client relationship. For your specific situation talk to a licensed Ohio attorney.

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