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R. v. Stinchcombe:
Involves the Mandate to Disclose All Relevant Evidence
Last Updated: July 03 2026
Question: What disclosure must the Crown provide to the defence after R. v. Stinchcombe, and how can a lawyer help if you believe relevant evidence was not disclosed in Ontario?
Answer: A lawyer at Lo Greco Law can help you understand and apply the disclosure principles from R. v. Stinchcombe, [1991] 3 S.C.R. 326, including that the Crown prosecutor generally must disclose all relevant information in their possession, even if the prosecutor does not plan to rely on it at trial, so you can make full answer and defence and preserve your fair trial rights in Ontario If you think disclosure was incomplete, Lo Greco Law’s 30+ year experienced lawyer services and LSO tribunal representation can assist with reviewing the disclosure record, assessing materiality and impact, and advising on next steps such as requesting additional disclosure or raising the issue with the court To discuss your situation, call (416) 488-4110 for a free 1/4 hour consultation.
Decision Summary: R. v. Stinchcombe:
The case of R. v. Stinchcombe, [1991] 3 S.C.R. 326, was a landmark decision in Canadian criminal law rendered by the Supreme Court of Canada. The case centered around the obligation of the Crown prosecutor to disclose evidence to the defence. The decision significantly influenced the principles of fair trial and the legal duty of disclosure imposed upon prosecutors. Key issues include:
- Obligation to Disclose Evidence:
The primary legal issue was whether the Crown prosecutor is obliged to disclose all relevant information to the defence, including statements from witnesses that the Crown is without an intention to call to testify at Trial. - Impact Upon the Right to a Fair Trial:
The case highlighted the implications of a failure to disclose evidence upon the ability of an accused person to make full answer and defence as well as stressing the importance of transparency so to ensure a fair trial. - Judicial Review of Discretion:
The case also addressed the role of the trial judge when reviewing the discretion of the Crown prosecutor to withhold evidence perceived as irrelevant and the principles guiding such discretion.
Details and Insights
- Legal Duty to Disclose:
The Supreme Court held that the Crown prosecutor must disclose all relevant information to the defence including material that the Crown prosecutor plans to forgo relying upon at trial. - Precedent in Canadian Justice System:
The decision set a precedent ensuring that the accused person can prepare an adequate defence by having access to all pertinent information held by the prosecution. - Strategic Legal Approaches:
The ruling underscored the need for prosecutors to exercise discretion transparently and responsibly.
Gaining an understanding of this case can assist legal professionals and clients navigating similar legal scenarios. Explore the full case judgment for more detailed information and specific legal arguments.
The official case judgment is available here: R. v. Stinchcombe, [1991] 3 S.C.R. 326
Conclusion
The Stinchcombe case underscores the critical importance of disclosure in ensuring a fair trial within the Canadian legal framework. The principles articulated in the case decision emphasize the necessity for prosecutors to share all relevant information with the defence thereby promoting fairness and justice.