California Penal Code Section 245(a)(1) makes it illegal to commit assault with a deadly weapon or instrument when that instrument is not a firearm. This crime is commonly referred to as ADW (Assault with a Deadly Weapon). The law is designed to protect people from serious threats of injury or harm. A person can face jail time, fines, or both if convicted under this section.
Key Elements of PC 245(a)(1)
For a person to be convicted under this law, the prosecution must generally prove several key elements:
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An Act Likely to Apply Force
The defendant must have performed an act that would likely result in the application of force on another person. -
Use of a Deadly Weapon or Force Likely to Cause Serious Injury
The act must involve either a deadly weapon or force that could result in great bodily injury. -
Willful Conduct
The defendant must have acted deliberately. Intent to commit the crime is not necessary; simply acting purposefully is enough. -
Awareness of Risk
The defendant must know, or a reasonable person would recognize, that their actions could likely result in harm. -
Present Ability to Apply Force
The person must have had the ability to actually use the weapon or force at the time of the act.
What Counts as a “Deadly Weapon”?
A “deadly weapon” under California law is broadly defined. It’s any object or instrument capable of causing death or serious injury. Common examples include:
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Knives
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Baseball bats
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Broken bottles or other sharp objects
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Tools such as hammers or crowbars
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Everyday objects used in a way that can cause serious harm
Even ordinary objects can become deadly weapons depending on how they are used.
Understanding “Great Bodily Injury” (GBI)
Great bodily injury refers to substantial physical injury—more serious than minor cuts or bruises. Examples include:
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Broken bones
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Deep lacerations
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Gunshot or stab wounds
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Severe contusions or trauma
GBI is a critical factor in determining the severity of an assault under PC § 245(a)(1).
Penalties for Assault with a Deadly Weapon
PC § 245(a)(1) is classified as a “wobbler”, meaning prosecutors can charge it as a misdemeanor or a felony depending on circumstances.
Misdemeanor Penalties:
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Up to 1 year in county jail
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Fines, which may vary depending on the case
Felony Penalties:
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2, 3, or 4 years in state prison
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Fines, which can be significantly higher than for misdemeanors
Enhanced Penalties:
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Using certain firearms can increase prison time
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Assaulting peace officers, firefighters, or other protected individuals may result in longer sentences
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A felony conviction may also lead to loss of gun rights, professional licensing issues, and other collateral consequences
Common Defenses to PC 245(a)(1)
Defendants charged under PC 245(a)(1) may pursue several defenses depending on the facts:
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Self-Defense
Acting to protect oneself from imminent harm may justify the use of force. -
Object Was Not a Deadly Weapon
Arguing that the item used was not capable of causing serious injury can be a valid defense. -
Lack of Intent
If the act was accidental or unintentional, it may negate the “willful” element of the crime. -
Mistaken Identity
The defendant may argue that they were incorrectly identified as the person who committed the assault. -
Constitutional Violations
Evidence obtained unlawfully or statements taken without proper advisement may be excluded. -
Mental Impairment or Insanity
A defendant may claim that they did not understand their actions or could not distinguish right from wrong. -
Duress or Necessity
Acting under threat or emergency circumstances may justify the use of force.
Scenarios
PC § 245(a)(1) cases often arise from:
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Fights where a person uses a bottle, bat, or other object to threaten or strike someone
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Arguments escalating to physical altercations involving improvised weapons
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Situations where everyday objects are used in a manner capable of causing serious injury
Even if the original intent was not to harm, the law can treat certain acts as assault with a deadly weapon if the outcome could have been serious injury.
Long-Term Consequences of Conviction
A conviction under PC § 245(a)(1) can impact more than just jail time or fines:
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Firearm Restrictions: Felony convictions typically result in a lifetime ban on firearms; misdemeanor convictions may carry a 10-year ban.
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Immigration Consequences: Non-citizens may face deportation or other immigration penalties.
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Three-Strikes Law: Repeat offenders may face harsher sentencing under California’s Three-Strikes law.
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Professional Impact: Licensing, employment opportunities, and housing may be affected.
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Expungement: Under certain conditions, a defendant may seek to have a conviction removed from their record.
Practical Advice
If you are charged with assault with a deadly weapon:
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Seek Legal Representation Immediately
A skilled criminal defense attorney can help evaluate your case, explore defenses, and negotiate plea options. -
Document the Situation
Gather evidence, including photos, videos, and witness statements. -
Avoid Self-Representation
Assault cases are complex, and professional legal support can significantly improve outcomes. -
Consider Long-Term Effects
Beyond immediate penalties, consider potential impacts on rights, employment, and personal life.
Conclusion
California Penal Code § 245(a)(1) is a serious law aimed at preventing assaults with deadly weapons or acts likely to cause great bodily injury. Because it can carry felony-level penalties and long-term consequences, understanding the law and taking immediate legal action is crucial.
If you or someone you know is facing charges under PC § 245(a)(1), don’t wait. Contact us today to speak with an experienced attorney who can help protect your rights and guide you through the legal process. Protect your future and get professional legal support. Reach out to Southwest Legal now for a consultation.


