According to Penal Code 16470, a dirk or dagger is any knife or instrument capable of ready use as a stabbing weapon that can cause great bodily injury or death. This category is a general grouping of fixed-blade knives, stilettos, and even folding knives, provided the blade is locked in an open position. Although they are often used as a functional or historical tool, California's weapon laws are mainly concerned with the physical ability of an object to stab or puncture.

Penal Code 21310 makes it illegal to carry a concealed dagger or dirk on your person. Open carry is generally lawful only when the knife is worn in a sheath suspended from the waist. Nonetheless, concealing the blade on your person (including in clothing or carried containers like bags) may constitute a wobbler offense. This means you might be charged with a misdemeanor or a felony, which may involve substantial fines and lengthy jail terms, as you will see below.

What Is a Dirk or Dagger Under California Law?

To know your legal situation in accordance with Penal Code 16470, it is important first to know what the state considers a dirk or a dagger.

The law does not apply only to traditional combat knives. It also applies to any knife or instrument that can be used as a stabbing weapon capable of causing great bodily harm or death.

It is worth noting that you do not need to be carrying a classic knife to face charges. The law permits reclassifying common tools as dirks or daggers if they can be used to stab. In legal proceedings, an object, including a sharpened screwdriver, ice pick, metal scrap with a homemade handle, or a sharpened stick, falls within the definition. When the weapon in your possession can cause “great bodily injury,” meaning significant physical injury, then it satisfies the legal requirement.

Whether or not the instrument could have been used immediately is the most important consideration of your liability. This difference greatly affects the legal treatment of the particular kind of blade that you possessed:

  • Fixed-blade knives — When you are carrying a fixed-blade knife, it is considered a dirk or dagger by default since the blade is always in position and can be used at any given time.
  • Folding pocket knives — When you have a normal folding knife, you are usually safe in this classification, provided you keep the knife folded. However, the moment the blade is exposed and locked into place, you are legally in possession of a dagger or dirk.

The operation of your knife can significantly impact the legality of your position. Courts have defined "locked into position" as the blade being in place and immovable. When you carry a non-locking folding knife like a traditional Swiss Army knife or a slipjoint, and the blade is open, it might not be considered to be a dirk or a dagger, so long as it can fold up when it hits an object. But when the blade is locked into position, and you carry it in a hidden manner, like in your pocket or under your garments, you face "wobbler" offense charges for a violation of Penal Code 21310.

Open Carry vs. Concealed Carry of Knives in California

Under knife laws, illegality largely depends on one factor: visibility. Carrying a dagger or dirk on your hip is generally legal, but concealing it may be a criminal offense, charged as a misdemeanor or felony. The state is more concerned with avoiding surprise attacks, in which a potentially deadly stabbing weapon should be instantly visible to law enforcement and the community.

To stay within the law, you have to comply with the particular stipulations of California Penal Code 20200, which requires the knife to be carried in a sheath suspended from the waist. To be considered for open carry, a dagger or dirk must fulfill two conditions:

  • The knife should be in a sheath
  • Your sheath must be worn suspended from the waist

When you wear a fixed-blade knife in a sheath on your belt, it is open to carry, even though your arm may sometimes conceal it. Nonetheless, the hilt or handle must be visible to an ordinary person. When your shirt, jacket, or any other clothing covers the handle, you have crossed the boundary between open and concealed carry.

You violate Penal Code 21310 if you carry a dirk or dagger that is "substantially concealed" on your person. Substantial concealment does not require the item to be completely invisible. It only means the item is not easily visible. You violate the law if you hide the weapon:

  • Under clothing —The sheath is hidden under clothing at the waist, but it may be seen through the inside of your trousers
  • In pockets — Inside a jacket, coat, or trouser pocket
  • In containers — Within a bag, wallet, briefcase, or messenger bag that you are wearing or carrying

There is an important legal difference about bags that you should note. The California Supreme Court made it clear in a case of the People v. Wade (2015) that a weapon in a backpack would be considered “upon your person." This means it is legally equivalent to having a fixed-blade or a locked-open folding knife in a backpack you wear, rather than in your pocket. A backpack placed near you, such as on the floor, may not be considered on your person, but it still poses a significant legal risk.

Since the state considers the act of concealed carrying a dagger or dirk a wobbler, the impact of a mistake is high. When you tuck your fixed-blade knife in your waistband because you find the belt loop uncomfortable, you are committing a crime that can be charged as a felony. To protect yourself, you need to make sure that your blade is sheathed and that nothing gets in the way of your clothing and your sheath.

California Law on Pocket Knives, Switchblades, and Non-Daggers

The law distinguishes between fixed-blade weapons and folding knives to protect people who use them. Except for folding knives, you can carry a concealed pocket knife or utility folder so long as the blade is closed. When the blade is exposed and locked, it qualifies as a ready-to-use dagger or dirk and, hence, as an illegal concealed weapon.

It is also the mechanical functioning of a knife that determines whether it is legal. Under Penal Code 21510, possession or carrying a switchblade that has a blade two inches or longer is a misdemeanor. Switchblades are characterized by automatic functions (buttons, gravity, or handle pressure). On the other hand, spring-assisted knives are legal. They have a bias toward remaining closed, meaning that they must be opened manually.

Misconceptions about the length of the blades can easily lead to legal issues. The law does not specify the minimum length for a concealed fixed-blade knife. Whether it is a large hunting knife or a small neck knife, concealing any fixed blade is a violation of Penal Code 21310. A knife under two inches might be legal elsewhere, but it is still strictly banned in schools and other restricted zones.

When Does an Ordinary Object Become a Dagger?

The law has a very broad definition of a weapon, and the definition of a dirk or dagger has been expanded to include any object that can be used to stab someone.

Under Penal Code 16470, a common tool, like a screwdriver, an ice pick, or even a sharpened piece of metal, becomes a prohibited weapon depending on its physical ability to cause severe bodily harm. This categorization is based on the objective nature of the object, not the manufacturer’s intended purpose. As a result, you may find that carrying a typical household object in a concealed manner triggers the same legal consequences as carrying a traditional combat knife.

While you might assume that your intent in carrying an object determines its legality, the California Supreme Court in People v. Rubalcava held that intent to use as a weapon is not required; the prosecution need not prove that you intended to use the object as a weapon. In the law, the possession of a concealed dagger or dirk is a general intent crime. It means that the state must only establish that:

  • You had the object
  • You were aware that the object could be used to cause stabbing

Because of this high standard, the utensil defense is not applicable when you are found carrying a kitchen knife in your jacket. The law considers this very act of concealment a criminal act, not whether you intended to use the knife for a picnic or to defend yourself.

The situation and your behavior during an interaction with police largely determine how they classify the tool you are carrying. To determine whether an object is being carried as a weapon, prosecutors and police officers investigate the specific circumstances. A carpenter who carries a sharpened awl in a tool belt is likely carrying that tool for professional purposes. However, if you enter a bar with that same awl in your waistband, the context moves to a weapon-focused view. Alterations made to a tool, for example, wrapping a handle with tape to improve grip or sharpening the tip to a finer point, indicate that you have used a tool to make a stabbing weapon.

It is worth noting that self-defense does not give you legal cover when it comes to a concealed carry indictment. California does not allow you to hide a dirk or dagger due to fear for your safety or being in a high-crime area. Actually, when you confess that you were carrying a screwdriver or a fixed-blade knife as a safety measure, it may, in fact, help the prosecution by demonstrating that you were aware that the item could be used as a stabbing weapon. To remain compliant, you need to make sure that any instrument that can stab another person is either openly carried in a sheath on the waist or is left in a place where it is not in the "upon the person" requirement of concealment.

Penalties for Carrying a Concealed Dirk or Dagger

You can be prosecuted under Penal Code 21310 if you are found in possession of a hidden dagger or dirk. This law categorizes this violation as a wobbler. The district attorney has significant discretion to decide whether to prosecute the crime as a misdemeanor or a felony. This decision is not arbitrary. Prosecutors are more likely to consider:

  • Your criminal justice record
  • The nature of the weapon, like an everyday utility knife versus a fighting-type blade
  • Whether the weapon was found at the time of another crime

Misdemeanor Penalties

If the prosecution files the case as a misdemeanor, or if your attorney successfully negotiates a reduction, the penalties are still severe. You could face:

  • Up to one year in county jail
  • Up to $1,000 in fines, substantial court-imposed assessments, and fees
  • Up to 3 years of summary (informal) probation, possibly with conditions, including community service and waiver of search and seizure.

Felony Penalties

When your case is charged as a felony, usually because of prior weapons violations, gang charges, or a violent background, the stakes become significantly higher. Under the law of realignment (PC 1170(h)), you could face the following penalties upon conviction:

  • 16 months or 2 or 3 years of imprisonment
  • A maximum fine of $10,000.
  • Formal probation — This will involve mandatory supervision by a probation officer and strict adherence to specific conditions, like drug testing or geographical restrictions.

Additional Consequences

The true weight of a PC 21310 conviction often lies in the collateral consequences that extend far beyond your time in jail.

A felony conviction of carrying a concealed dagger or dirk causes a lifetime prohibition against the possession or use of firearms under California and federal law. Even a conviction on a misdemeanor can result in a 10-year gun ban by the court in case it finds that the crime committed was an act of violence.

Furthermore, a weapons conviction establishes a criminal record that could ruin your career. Since a "dirk or dagger" is legally described as an instrument that can be used with ready application to cause great bodily injury, your record might be flagged when trying to:

  • Secure employment
  • Secure a place to stay
  • Start a profession

For noncitizens, a conviction on felony charges involving weapons may also have serious immigration implications, specifically, deportation or refusal to acquire a green card or visa.

Understanding these risks helps you choose the best defense strategy, because a felony conviction has long-lasting consequences unless you can reduce it to a misdemeanor under Penal Code 17(b).

Common Legal Defenses You Can Use to Challenge Possession of Dirk or Dagger Charges

If you are facing charges for carrying a concealed dagger or dirk, your defense strategy will likely focus on challenging the prosecution's ability to prove the elements of the crime. The state must prove beyond a reasonable doubt that:

  • You were in possession of the item
  • You knew you possessed the item
  • It was concealed significantly
  • You knew that it could be used as a stabbing weapon

Your attorney can use any of the following defenses to challenge these claims.

The Item Was Not Concealed

Since the open-carrying of a dirk or a dagger in a belt sheath is legal, the most common defense is the statement that the weapon was not actually concealed.

Legally, significant concealment means that the item is not visible to the naked eye. If your attorney can prove either by body-worn camera footage, witness accounts, or even the location of the officer that the knife was in plain view, even though the officer himself was unaware of it at first, then those charges cannot stand.

Lack of Knowledge

The prosecution has to show that you knew that you had the weapon. This defense applies when you borrow a car, a backpack, or a jacket without having to look inside. If a friend left a fixed-blade knife in a pocket of a coat he/she lent you, and you did not even know that it was there until the police found it, you do not have the necessary mens rea (guilty mind) to be found guilty of the offense.

Unreasonable Search and Seizure (4th Amendment)

Although you might have been in possession of a hidden dagger, the court can dismiss the evidence against you in case the police infringed on your constitutional rights. Penal Code 1538.5 provides that your lawyer may move to suppress the evidence in case the police officer had no reasonable suspicion to stop you or probable cause to search you.

If the judge finds the search illegal, the knife is a fruit of the poisonous tree and cannot be used in court. A successful motion to suppress normally results in an outright dismissal of the charges, as the prosecution has no evidence to introduce.

Find a Criminal Defense Attorney Near Me

In California, the legal definition of a "dirk or dagger" is not limited to old-fashioned weapons. It is any fixed-blade knife or device that could be used as a stabbing weapon. It is usually legal to own one, but it is illegal to hide it on your person.

As you have seen, the conviction could result in grave consequences, even if your actions were innocent. Therefore, it is best to seek legal assistance if you are facing criminal charges related to possession of a “dirk or dagger.” Contact the Los Angeles Criminal Attorney at 424-333-0943 for assistance.