
Paul Cahill to Speak at Webinar: Defining a Winning Business Strategy for Your PI Firm
Davidson Cahill Morrison LLP is pleased to announce that Paul Cahill will be a featured panelist at the upcoming webinar, “Defining a Winning Business Strategy

In the landscape of Canadian civil litigation, the Court of Appeal for Ontario’s decision in Cadieux v. Cadieux stands as a powerful affirmation of the judiciary’s strong preference for promoting and upholding settlement agreements. The ruling sends an unequivocal message to the legal community: the public interest in resolving complex, multi-party disputes through settlement will often take precedence, even when a non-settling party faces the potential for significant prejudice. The court’s focus was not on achieving a perfect allocation of risk among all defendants, but rather on facilitating the finality and efficiency that settlement tools, such as Pierringer Agreements, provide. This decision underscores a judicial philosophy that champions the resolution of litigation, placing the onus on defendants to strategically manage their own risks in multi-defendant lawsuits rather than relying on the courts to protect them from the harsh consequences of joint and several liability.
The litigation stemmed from a tragic motor vehicle accident that resulted in catastrophic injuries to two children. A lawsuit was commenced on their behalf, targeting three parties:
The financial stakes were immense, with a claim for future care costs alone possibly exceeding $14 million. This made the available insurance coverage a critical issue. The father was insured for $2 million, while the trucking company held a $5 million policy. The City of Ottawa was self-insured.
Before trial, the plaintiffs negotiated a Pierringer Agreement (or “partial settlement agreement”) with the City of Ottawa. This agreement allowed the City to exit the lawsuit, leaving the plaintiffs to pursue the remaining defendants, the father and United Petroleum.
United Petroleum vigorously opposed the court’s approval of this settlement, arguing that it created significant and unfair prejudice. The core of the issue was the rule of joint and several liability. Without the settlement, had the case proceeded to trial and the father been found liable for an amount exceeding his insurance policy, both United Petroleum and the self-insured City of Ottawa would have been jointly responsible for covering the shortfall. The Pierringer Agreement, however, fundamentally altered this dynamic. By removing the City from the equation, it left United Petroleum as the sole remaining defendant with deep pockets, meaning it alone would be forced to cover any shortfall created by the underinsured father. This concentration of risk was the basis for United Petroleum’s appeal.
The Court of Appeal’s decision to uphold the settlement provides critical guidance and some stark reminders for all parties involved in multi-defendant litigation.

Davidson Cahill Morrison LLP is pleased to announce that Paul Cahill will be a featured panelist at the upcoming webinar, “Defining a Winning Business Strategy

On March 3, 2026, Hudson Chalmers, an associate at Davidson Cahill Morrison LLP, acted as a trial judge for the medical malpractice moot organized by

In the recent decision of Austin v. MacFarlane, 2026 ONSC 463, the Ontario Superior Court of Justice addressed the ongoing tension between a vendor’s silence

In the landscape of Ontario real estate litigation, the principle of caveat emptor (buyer beware) has long served as a formidable defense for vendors. However,