
Perjury is a serious criminal offense that involves lying under oath or making a knowingly false statement in a legal proceeding. Because sworn testimony and statements are essential to the integrity of the justice system, allegations of perjury are treated seriously by prosecutors and courts alike.
Understanding what constitutes perjury under California law, how it differs from other false-statement offenses, and what defenses may apply is critical for anyone facing this type of accusation.
What Is Perjury?

Perjury occurs when a person knowingly makes a false statement while under oath in an official legal setting. The oath may be administered in a courtroom, during a deposition, or as part of a sworn written statement, such as an affidavit.
The defining feature of perjury is not merely that a statement is incorrect, but that it is intentionally false and made under circumstances where truthfulness is legally required.
Courts rely on sworn statements to make fair and accurate decisions. As a result, perjury laws are designed to discourage dishonesty and preserve the integrity of judicial and governmental proceedings.
Key Elements of a Perjury Charge
To secure a conviction for perjury, the prosecution must typically prove several elements beyond a reasonable doubt.
While the exact requirements vary by jurisdiction, most perjury charges include the following components:
- Oath or affirmation: The statement must have been made under oath or affirmation, meaning the individual formally agreed to tell the truth.
- False statement: The statement must be objectively false, not simply misleading or incomplete.
- Knowledge and intent: The individual must have known the statement was false at the time it was made. Honest mistakes or confusion generally do not qualify as perjury.
- Materiality: The false statement must be material to the proceeding, meaning it had the potential to influence the outcome or affect a key issue being decided.
If any one of these elements cannot be established, a perjury charge may not be legally sustainable.
Perjury vs. False Statements
Although perjury and false statements are often discussed together, they are distinct offenses. Perjury specifically involves false statements made under oath in a formal legal context. False statement charges, on the other hand, may apply to statements made to government officials—even if not made under oath—such as law enforcement officers or federal agencies.
In many jurisdictions, false statement offenses carry different penalties and may require proof of different elements, such as intent to mislead a government authority. Understanding the distinction is important, as the applicable charge can affect both potential defenses and sentencing exposure.
Penalties for Perjury
Perjury is commonly classified as a felony, though the severity of penalties varies depending on whether the charge is brought under state or federal law and the circumstances of the case.
Possible penalties may include:
- Incarceration, ranging from months to several years
- Fines and court costs
- Probation or supervised release
In addition to criminal penalties, a perjury conviction can carry long-term consequences. These may include damage to personal credibility, loss of professional licenses, difficulty securing employment, and adverse immigration consequences for non-citizens.
Common Defenses to Perjury Allegations
A perjury charge does not automatically mean a conviction.
Several criminal defenses may be available depending on the facts of the case, including:
- Lack of intent: Demonstrating that the statement was made due to confusion, mistake, or faulty memory rather than intentional dishonesty.
- Truthfulness: Showing that the statement was accurate or substantially true.
- Immateriality: Arguing that the alleged false statement was not material to the legal proceeding.
- Improper oath: Establishing that the statement was not made under a legally valid oath or affirmation.
- Insufficient evidence: Challenging the prosecution’s ability to prove the elements of perjury beyond a reasonable doubt.
An effective defense often requires a detailed review of transcripts, documents, and the context in which the statement was made.
What to Do If You’re Accused of Perjury
If you are accused of perjury or believe you may be under investigation, taking prompt and careful action is critical. Several important steps may help protect your rights and limit further legal risk.
Generally, you should:
- Avoid making additional statements: Attempting to correct, clarify, or expand on prior testimony without legal guidance may be viewed as inconsistent or incriminating, even if the intent is to be truthful.
- Preserve relevant records: Transcripts, affidavits, emails, text messages, and other documents connected to the alleged statement should be retained, as altering or discarding records can create additional legal issues.
- Limit discussions about the matter: Statements made to investigators, coworkers, or third parties may later be used as evidence, even if the conversation appears informal.
- Review the context of the statement: Understanding when the statement was made, whether it was sworn, and how it related to the legal proceeding is essential to evaluating exposure.
- Evaluate intent and materiality: Perjury requires proof that a statement was knowingly false and material, and issues such as ambiguity, confusion, or faulty memory may be legally significant.
- Seek early legal analysis: Because perjury cases often turn on nuance rather than obvious falsehoods, early review of the facts and procedural history can help identify defenses and reduce further risk.
Careful, informed decision-making at the outset can play a meaningful role in shaping the outcome of a perjury case.
Contact Ahmed & Sukaram, Criminal Defense Attorneys, to Speak With a San Jose Criminal Defense Attorney Today
Perjury allegations can carry serious legal and personal consequences. At Ahmed & Sukaram, Criminal Defense Attorneys, we represent individuals facing complex criminal charges in California, including perjury, and work to protect their rights at every stage of the process.
Contact our team today at (408) 217-8818 to discuss your case with a San Jose criminal defense lawyer and learn how we can help.