The Ninth Circuit Court of Appeals has upheld a lower court's decision to send a class action lawsuit against Suzuki Motor of America, Inc., back to state court. The ruling, issued on November 12, 2026, affects plaintiffs Alex Lopez and Travell Woods, who allege that Suzuki's practices have harmed them and other consumers. This decision is significant because it reinforces the Class Action Fairness Act's home state exception, which allows certain cases to remain in state courts when most class members are from that state.

The case, Lopez v. Suzuki Motor of America, Inc., was filed in the Central District of California and centers around claims made by the plaintiffs regarding Suzuki's business practices. The plaintiffs argued that a significant portion of the class members were California citizens, which would invoke the home state exception of the Class Action Fairness Act (CAFA). The district court agreed with the plaintiffs and remanded the case back to state court, prompting Suzuki to appeal the decision.

In its appeal, Suzuki challenged the district court's findings on the citizenship of the class members. The company argued that the evidence provided by the plaintiffs was insufficient to establish that at least two-thirds of the class were California citizens, as required by CAFA. The court filing did not name the attorneys for either side.

The Ninth Circuit reviewed the district court's decision, focusing on whether the lower court had made any clear errors in its findings. The court noted that the plaintiffs had presented expert analysis using Suzuki's customer registration data, which indicated that 81.7% of the proposed class had a last-known mailing address in California. The district court determined that this evidence was sufficient to conclude that at least two-thirds of the class were California citizens at the time of removal.

The Ninth Circuit judges, R. Nelson, H.A. Thomas, and Araceli Martínez-Olguín, concluded that the district court's findings were reasonable. The court ruled, "It was not clear error for the district court to conclude that at least 2/3 of the proposed class are likely California citizens." The judges emphasized that the plaintiffs had met their burden of proof, which required them to provide evidence showing the citizenship of class members.

In affirming the lower court's decision, the Ninth Circuit addressed several arguments made by Suzuki. The company contended that evidence of last-known mailing addresses could not definitively establish citizenship. However, the court referenced previous cases that supported the use of residency as a basis for determining citizenship. The judges noted that the plaintiffs' evidence was not mere guesswork and was sufficient to support the district court's conclusion.

Additionally, the Ninth Circuit found that Suzuki's arguments regarding the classification of the data and the assumptions made by the district court were without merit. The judges pointed out that the district court had relied on Suzuki's own representations about the data provided, which included personally identifiable information of individuals. The court ruled that the district court did not err in its interpretation of the evidence.

The ruling has broader implications for class action lawsuits, particularly those involving companies with significant operations in California. By affirming the remand, the Ninth Circuit reinforces the importance of the home state exception under CAFA, which allows state courts to retain jurisdiction over cases where the majority of class members are from that state. This decision could influence how companies approach class action lawsuits in the future, especially in determining whether to remove cases to federal court.

Looking ahead, it remains to be seen whether Suzuki will seek to appeal the Ninth Circuit's ruling. The court filing did not indicate any pending related cases. However, the decision may encourage other plaintiffs in similar situations to pursue class actions in state courts, knowing that the home state exception can provide a pathway to maintain jurisdiction.