Skip to main content
← Back to B Definitions

Burden of proof

<div id="LINK_POOL" style="display: none;"> [legal dispute](https://diversification.com/term/legal-dispute) arbitration [litigation](https://diversification.com/term/litigation) [evidence](https://diversification.com/term/evidence) [securities law](https://diversification.com/term/securities-law) [regulatory compliance](https://diversification.com/term/regulatory-compliance) [fraud](https://diversification.com/term/fraud) [investor protection](https://diversification.com/term/investor-protection) [due diligence](https://diversification.com/term/due-diligence) [fiduciary duty](https://diversification.com/term/fiduciary-duty) [class action](https://diversification.com/term/class-action) [settlement](https://diversification.com/term/settlement) asset forfeiture [Ponzi scheme](https://diversification.com/term/ponzi-scheme) preponderance of the evidence </div>

What Is Burden of Proof?

The burden of proof refers to the obligation of a party in a legal dispute to present evidence to support their claims or defenses. This fundamental legal concept, often encountered within the broader Legal and Regulatory Framework governing financial activities, dictates which party must demonstrate the truth of a particular fact or set of facts in a court of law, arbitration proceeding, or other adjudicative forum. Without meeting the burden of proof, a party's claim or defense may be dismissed. The burden of proof typically falls upon the party initiating a claim, such as a plaintiff in a civil lawsuit or a prosecutor in a criminal case.

History and Origin

The concept of the burden of proof has deep roots in legal systems, evolving from ancient judicial practices to modern jurisprudence. Historically, it reflects the principle that the party alleging a fact must demonstrate its existence, rather than the opposing party having to disprove it. This foundational idea is captured in the Latin maxim "semper necessitas probandi incumbit ei qui agit," which translates to "the necessity of proof always lies with the person who lays charges." In the United States, the Legal Information Institute at Cornell Law School provides extensive resources on how the burden of proof operates, outlining its components, such as the burden of production (the obligation to present sufficient evidence) and the burden of persuasion (the obligation to convince the fact-finder).4

Key Takeaways

  • The burden of proof is the obligation of one party in a legal proceeding to present sufficient evidence to prove a fact.
  • It generally rests on the party making an assertion or bringing a claim.
  • Failing to meet the burden of proof typically results in the dismissal of a claim or defense.
  • The concept is distinct from the standard of proof, which refers to the degree of evidence required.
  • It is a critical component in various financial and legal contexts, from regulatory compliance to investment disputes.

Interpreting the Burden of Proof

Interpreting the burden of proof involves understanding which party holds the responsibility for presenting a convincing case. In financial contexts, this is crucial for investor protection and market integrity. For example, if an investor alleges that a financial advisor breached their fiduciary duty, the investor typically bears the burden of proof to demonstrate that the breach occurred and led to damages. Conversely, if the advisor asserts an affirmative defense, such as having performed proper due diligence, the burden of proving that defense would shift to the advisor. The specifics of how the burden is interpreted depend heavily on the applicable laws and regulations governing the dispute.

Hypothetical Example

Consider a hypothetical scenario where an investor, Ms. Chen, believes she was misled by a brokerage firm regarding a particular investment that subsequently lost significant value. Ms. Chen decides to pursue arbitration against the firm. In this case, Ms. Chen, as the claimant, bears the initial burden of proof.

Her steps would include:

  1. Filing a Statement of Claim: Ms. Chen files a formal complaint detailing her allegations, including how the firm misrepresented the investment's risks and how this led to her losses. This sets the stage for the legal dispute.
  2. Presenting Evidence: Ms. Chen must then gather and present evidence to support her claims. This might include account statements, correspondence with the broker, marketing materials, and expert testimony showing the misrepresentation.
  3. Demonstrating Causation and Damages: She needs to prove that the firm's actions directly caused her financial losses, not merely market fluctuations.

If Ms. Chen fails to present sufficient evidence to convince the arbitrators that the firm's actions caused her losses, the firm may not need to present a robust defense, as Ms. Chen would have failed to meet her burden of proof.

Practical Applications

The burden of proof is a cornerstone in numerous areas of finance and regulation. In securities law, for instance, the Securities and Exchange Commission (SEC) carries the burden of proving violations when initiating enforcement actions against individuals or firms. This involves demonstrating that alleged misconduct, such as fraud or insider trading, occurred based on collected evidence.

Similarly, in consumer and industry disputes within the financial sector, organizations like the Financial Industry Regulatory Authority (FINRA) establish rules for arbitration that dictate the evidentiary responsibilities of parties. For example, in a customer dispute against a brokerage firm, the customer typically bears the burden of proving their claims, such as unsuitability or misrepresentation. The effective application of the burden of proof ensures a structured process for resolving disagreements and seeking accountability. In cases of major financial crimes, such as the Bernie Madoff Ponzi scheme, victims seeking compensation from funds like the Madoff Victim Fund had to demonstrate their losses and connections to the scheme to receive payouts.3 The process of identifying victims and unwinding complex financial transactions required significant efforts in proving claims and tracing the flow of funds.2

Limitations and Criticisms

Despite its foundational role, the burden of proof can present limitations and face criticism. For a claimant, meeting the burden can be challenging, particularly in complex financial cases where information asymmetry exists or evidence is difficult to obtain. For example, proving intent in a fraud case can be exceptionally difficult, requiring a high degree of specific evidence. The cost of litigation and gathering such evidence can be prohibitive for individual investors, potentially deterring them from pursuing valid claims.

Furthermore, different legal jurisdictions or types of cases may assign the burden differently, leading to varying outcomes. While generally falling on the accuser, there are instances where the burden can shift, such as when a defendant raises an affirmative defense. The specific standard of proof required can also be a point of contention; for instance, the "clear and convincing evidence" standard is higher than "preponderance of the evidence" and therefore more difficult to satisfy. The practicalities of proving a claim, especially against well-resourced institutions or in cases involving intricate financial instruments, can pose a significant hurdle for parties seeking redress.

Burden of Proof vs. Standard of Proof

The terms "burden of proof" and "standard of proof" are often used interchangeably, but they refer to distinct concepts in legal proceedings. The burden of proof defines which party has the responsibility to present evidence to establish a fact. It determines who loses if no evidence is presented. For example, in a civil dispute, the plaintiff typically carries the burden of proof to demonstrate the validity of their claim.

In contrast, the standard of proof defines the degree to which a party must prove their case. It dictates how convincing the evidence must be to satisfy the burden. Common standards include:

  • Preponderance of the evidence: This is the lowest standard, common in civil cases, meaning the evidence must show that a fact is more likely than not (i.e., greater than 50% probability).1
  • Clear and convincing evidence: A higher standard, requiring the evidence to be highly and substantially more probable to be true than not, creating a firm belief in its factuality.
  • Beyond a reasonable doubt: The highest standard, typically used in criminal cases, where there can be no reasonable doubt about the defendant's guilt.

While the burden of proof determines who must present the case, the standard of proof dictates the level of conviction required for that presentation to be successful.

FAQs

Who typically has the burden of proof in a financial dispute?

In most financial disputes, especially those initiated by an individual against a financial institution or advisor, the individual bringing the claim (the claimant or plaintiff) typically has the burden of proof. They must present evidence to support their allegations of wrongdoing or loss.

Can the burden of proof shift during a case?

Yes, the burden of proof can sometimes shift. While the initial burden rests with the party making the claim, if the opposing party raises an affirmative defense (a new argument that, if true, would defeat the initial claim), the burden of proving that specific defense shifts to them. For example, in a fraud case, if the defendant claims they acted in good faith, they would bear the burden of proving their good faith.

What happens if a party fails to meet their burden of proof?

If a party fails to meet their burden of proof, their claim or defense will generally be dismissed. This means the court or arbitrator will rule against them, as they have not provided sufficient evidence to substantiate their position. This is a critical aspect of legal dispute resolution.

Is the burden of proof the same as "innocent until proven guilty"?

"Innocent until proven guilty" is a principle closely related to the burden of proof in criminal law. It means that the prosecution bears the burden of proving the defendant's guilt beyond a reasonable doubt, and the defendant is presumed innocent until that burden is met. While the concept applies primarily to criminal cases, the underlying idea that the accuser must prove their case is similar to the general application of the burden of proof in other legal contexts, including financial litigation.