California Penal Code § 273.5(a): Corporal Injury to a Spouse or Cohabitant

Domestic violence is a broad term, but Penal Code § 273.5(a) targets one of the most basic and serious forms: willfully inflicting a corporal injury that produces a traumatic condition on an intimate partner. This offense—sometimes called corporal injury on a spouse—reflects California’s commitment to protect people from violence in their own homes. A conviction carries substantial jail time and fines, plus collateral consequences like firearm restrictions and potential immigration problems.

Who is Covered under § 273.5?

To qualify as “domestic violence” under § 273.5, the injury must be inflicted on a person in one of several qualifying relationships:

  • Current or former spouse or registered domestic partner.
  • Cohabitant or former cohabitant. You do not need a formal marriage to be considered cohabitants. Factors courts consider include living together in the same residence, sharing expenses, joint use or ownership of property, portraying yourselves as a couple, and the continuity and length of the relationship.
  • Fiancé(e) or a person in a serious dating relationship.
  • Parent of the accused’s child.

If the alleged victim does not fit into one of these categories, prosecutors will typically just file other charges such as simple battery or assault.

What Counts as a “Traumatic Condition”?

A traumatic condition is misleadingly named and legally is defined very broadly. It includes any wound or bodily injury caused by the direct application of physical force—no matter how minor. A bruise, scrape or some kind of mark can suffice. To prove that an injury resulted in a traumatic condition, prosecutors must show three things:

  1. Natural and probable result: the injury would logically and ordinarily cause the condition.
  2. Direct and substantial factor: the defendant’s act was a significant cause of the condition.
  3. But-for causation: the “traumatic condition” would not have occurred without the defendant’s act.

These requirements ensure that purely accidental injuries or injuries caused by third parties are not unjustly attributed to the accused.

Elements of the Offense

According to CALCRIM No. 840 and the statute, prosecutors must establish three elements beyond a reasonable doubt:

  1. Willful infliction of physical injury. “Willfully” means doing something intentionally, not necessarily with intent to break the law.
  2. Qualifying victim. The injury must be inflicted on a spouse, cohabitant, former cohabitant, fiancé(e), serious dating partner, or parent of the accused’s child.
  3. The injury caused a traumatic condition. As discussed above, even a minor wound qualifies if it meets the natural‑and‑probable, direct‑and‑substantial and but‑for causation tests.

If the injury does not cause a traumatic condition, prosecutors may instead bring a domestic battery charge under Penal Code § 243(e)(1), which requires proof of offensive touching but no injury.

Penalties and Sentencing

Wobbler Classification

Section 273.5 is a wobbler, meaning prosecutors can charge it as a misdemeanor or felony depending on the severity of the injuries and the defendant’s criminal history.

Conviction Level

Potential Penalty (PC § 273.5)

Notes

Misdemeanor


Up to 1 year in county jail and/or a fine up to $6,000

Judges may grant summary (informal) probation in lieu of jail time.

Felony

2, 3 or 4 years in state prison and/or a fine up to $6,000


Formal probation may be available; more serious injuries or prior convictions can increase the term to up to 5 years and fines to $10,000.

Additionally, any state‑prison sentence makes the conviction ineligible for expungement, and defendants are typically subject to domestic violence restraining orders, mandatory counseling, and loss of firearm rights.

Repeat‑Offender Enhancements

If you have a prior domestic violence conviction within the last seven years—such as for domestic battery (§ 243(e)(1))—felony penalties under § 273.5 can increase. Repeat offenders face enhanced prison terms and higher fines. Additional sentence enhancements apply if the victim suffers great bodily injury or if the defendant used a weapon.

Defenses to PC § 273.5 Charges

A skilled attorney will scrutinize the facts and evidence to identify effective defenses. Common strategies include:

  • Lack of willfulness: The injury was accidental or caused without intent. For example, if the alleged victim was injured while grabbing the defendant and falling, the “willful” element may be missing.
  • Self‑defense or defense of others: California law permits reasonable force to protect oneself or another from imminent harm. Evidence that the alleged victim was the aggressor or that the defendant acted reasonably can negate culpability.
  • False accusations or motive to fabricate: In some cases, alleged victims misreport incidents due to jealousy, custody disputes, or other motives. Highlighting inconsistencies or ulterior motives can undermine credibility.
  • Insufficient evidence: Challenges to the sufficiency of medical records, photographs and witness statements can create reasonable doubt about whether a traumatic condition existed or whether the defendant caused it.
  • Causation questions: The defense may argue that the injury was not the natural and probable result of the defendant’s act, or that another intervening cause was responsible.

The best defense depends on the specific facts; experienced counsel will tailor an approach to your circumstances.

  • Domestic Battery (§ 243(e)(1)) – Misdemeanor offense requiring only harmful or offensive touching; no injury necessary.
  • Assault with a Deadly Weapon (§ 245) – Charged when a weapon or force likely to produce great bodily injury is used.
  • Child Endangerment (§ 273a) – Applicable if children are present during the incident.
  • Violating a Restraining Order (§ 273.6) – Separate offense if a protective order is in place.

These offenses can be charged in addition to § 273.5 if applicable.

Why You Need Experienced Counsel

A domestic violence conviction can destroy reputations, careers and families. As former prosecutors, Radford & Rome, LLP understand how quickly allegations can lead to arrest and how aggressively district attorneys pursue these cases. We have extensive experience litigating domestic violence and serious felony charges throughout Southern California, from Los Angeles County to Orange, Riverside, Ventura and San Bernardino.

If you are accused of inflicting corporal injury on a spouse, cohabitant or dating partner, do not speak to police without counsel. Contact our office immediately for a confidential consultation. We can evaluate the evidence, advise you on the right strategy and fight to protect your freedom and future.