A Win for Workers! CA Supreme Court Clarifies Whistleblower Protection Standards
- Anthony J. Nunes
- Jan 3
- 3 min read

A recent landmark ruling from the California Supreme Court in Lawson v. PPG Architectural Finishes, Inc., clarifies the standard of proof for whistleblower claims under Labor Code section 1102.5. This section is crucial as it protects employees from retaliation when they report violations of state or federal laws or refuse to participate in activities that would result in such violations. Before this ruling, there was considerable confusion among courts regarding which framework to apply when litigating these claims. Some courts used the McDonnell-Douglas burden-shifting framework, which required employees to establish a prima facie case of retaliation. This framework then shifted the burden to employers to provide a legitimate reason for the adverse action. Other courts applied the more employee-friendly standard under Labor Code section 1102.6, which places a higher burden on employers to prove that the adverse action would have occurred for legitimate reasons, even if the employee had not engaged in whistleblowing.
The California Supreme Court in Lawson clarified that the proper framework is the one outlined in Labor Code section 1102.6. Under this framework, employees must first show by a preponderance of the evidence that their whistleblowing was a contributing factor to the adverse employment action. Once this is established, the burden shifts to the employer to prove by clear and convincing evidence that the adverse action would have occurred for legitimate, independent reasons, regardless of the whistleblowing.
This ruling is a significant win for employees, as it makes it more challenging for employers to defend against whistleblower retaliation claims. The decision, combined with the enactment of AB 1947, which authorizes attorneys' fees for successful claims, provides additional incentives for employees to report violations without fear of retaliation. The case of Lawson v. PPG Architectural Finishes, Inc. involved Wallen Lawson, who worked as a territory manager for PPG, a paint and coatings manufacturer. Lawson alleged that his direct supervisor instructed him to intentionally mis-tint slow-selling PPG paint products to avoid buying back excess unsold products. Lawson did not agree with this instruction and filed two anonymous complaints, in addition to confronting his supervisor directly. PPG investigated the issue and told the supervisor to discontinue the practice but did not terminate the supervisor's employment. The supervisor continued to directly supervise Lawson, and ultimately, PPG terminated Lawson's employment upon the supervisor's recommendation, citing performance issues. Lawson sued PPG, alleging he was fired because he "blew the whistle" on his supervisor's mistinting order, in violation of Labor Code section 1102.5. The lower court applied the McDonnell-Douglas burden-shifting framework and concluded that while Lawson had established a prima facie case of unlawful retaliation, PPG sustained its burden of articulating a legitimate, non-retaliatory reason for firing him.
The court granted summary judgment in favor of PPG, as Lawson was unable to provide sufficient evidence that PPG's stated reason for terminating him was pretextual. On appeal, Lawson argued that the court was wrong to use the McDonnell-Douglas framework and that the issue should have been analyzed under the framework laid out in Labor Code section 1102.6. Under Section 1102.6, Lawson only needed to show that his whistleblowing was a "contributing factor" in his dismissal; he was not required to show that the employer's reason for termination was pretextual. The California Supreme Court held that Labor Code section 1102.6, not McDonnell-Douglas, is the proper framework for litigating 1102.5 whistleblower claims.
The Court reasoned that 1102.6 describes the standards and burdens of proof for both parties in a 1102.5 retaliation case. First, the employee must demonstrate by a preponderance of the evidence that the employee's protected whistleblowing was a contributing factor to an adverse employment action. Second, once established, the employer must prove by clear and convincing evidence that the alleged adverse employment action would have occurred for legitimate, independent reasons, even if the employee were not involved in protected whistleblowing activities.
The Court observed that the McDonnell-Douglas test is not well-suited as a framework to litigate whistleblower claims because it presumes an employer's reason for adverse action is either discriminatory or legitimate. In contrast, an employee alleging 1102.5 whistleblower retaliation can prove unlawful retaliation even when other, legitimate factors also contributed to the adverse action.
This decision is a significant step forward in protecting employee rights in California, ensuring that those who report illegal activities are safeguarded from retaliation and can seek justice more effectively.
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