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N.D. Cal.Procedural orderFiled Oct. 2, 2025

Ramirez v. Kaiser Foundation Health Plan, Inc.

Judge
Lin
Docket
3:25-cv-03922
Court
U.S. District Court · Northern District of California
Pages
5
Civil ProcedureEmploymentContract
In one sentence

In Ramirez v. Kaiser Foundation Health Plan, Judge Lin denied the plaintiffs’ motion to remand their putative class action after finding federal labor-law preemption.

Who this affects

The ruling keeps Ramirez and Keck’s putative class action against Kaiser Foundation Health Plan, Inc., Kaiser Foundation Hospitals, The Permanente Medical Group, Inc., and Southern California Permanente Medical Group in federal court rather than returning it to California state court.

What happened

In Idalia Ramirez, et al. v. Kaiser Foundation Health Plan, Inc., et al., Idalia Ramirez and Donald Keck brought a putative class action in California state court alleging wage-law, unfair-competition, and fraud claims against four defendants. The defendants moved the case to federal court, arguing that most claims were displaced by federal labor law because they depended on a collective bargaining agreement.

Ramirez and Keck asked the federal court to send the case back to state court. The court found that their fraud claim depended on wage rights created solely by the collective bargaining agreement, so federal labor law displaced that claim. It also found that the remaining claims arose from the same working conditions and facts, giving the federal court authority to hear them together.

Judge Rita F. Lin denied the motion to remand. The order did not decide whether the plaintiffs ultimately proved their wage or fraud claims.

The detailed version

For law students, journalists, and other readers who want the full reasoning

Case
Ramirez v. Kaiser Foundation Health Plan, Inc. · No. 3:25-cv-03922
Judge
Lin
Date
Oct. 2, 2025

Background

Idalia Ramirez and Donald Keck brought a putative class action in California state court against Kaiser Foundation Health Plan, Inc., Kaiser Foundation Hospitals, The Permanente Medical Group, Inc., and Southern California Permanente Medical Group. Their amended complaint asserted nine causes of action involving the California Labor Code, Industrial Welfare Commission Wage Orders, California’s Unfair Competition Law, and fraud.

The defendants removed the case to federal court. They argued that most of the claims, including the fraud claim, were preempted by section 301 of the Labor Management Relations Act. In this context, preemption means that federal labor law displaces a state-law claim because the claim depends on a collective bargaining agreement. Ramirez and Keck moved to remand, meaning they asked the federal court to return the case to state court.

The Court’s Analysis

The court explained that section 301 provides federal-question jurisdiction for lawsuits alleging violations of contracts between employers and labor organizations. It applied the Ninth Circuit’s two-part test for determining whether a state-law claim is preempted. First, the court asks whether the claimed right comes from state law or exists because of the collective bargaining agreement. Second, if the right comes from state law, the court asks whether resolving the claim would substantially depend on interpreting the agreement.

The court held that the defendants met their burden of establishing federal jurisdiction. It found that Ramirez and Keck’s fraud claim was based on allegations that the defendants failed to pay employees for overtime work and missed breaks as promised in the collective bargaining agreement. The court also found that the claim sought to enforce wage rates available only under that agreement, including rates that exceeded or applied earlier than the rates required by California law. Because the rights at issue arose solely from the collective bargaining agreement, the court held that the fraud claim was preempted under section 301.

The court further held that exercising supplemental jurisdiction over the remaining claims was proper. Supplemental jurisdiction allows a federal court to hear related state-law claims arising from the same underlying facts. According to the court, the remaining claims concerned the same working conditions, employment relationship, and period as the fraud claim, creating a common set of facts that could properly be addressed in one proceeding.

Disposition

Judge Rita F. Lin denied the plaintiffs’ motion to remand. The order determined federal jurisdiction and the related preemption issue; it did not resolve the ultimate merits of the wage, unfair-competition, or fraud claims.

The authoritative version

Read the full 5-page opinion on CourtListener, the free public archive maintained by the Free Law Project.

Open opinion PDF →
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