Service Employees International Union, United Healthcare Workers-West v. Prime Health Care Services, Inc.

**What Happened** The Service Employees International Union (SEIU) sued Prime Health Care Services after the company laid off a large number of workers. The union claimed Prime violated the WARN Act, a federal law that requires employers to give 60 days' advance notice before mass layoffs or closing facilities. The union argued the company either laid off too many people at once or closed a workplace without proper warning to employees. **What the Court Decided** The court sided with Prime Health Care Services. The judges found that the union couldn't prove the company actually violated the WARN Act. The court determined there was no evidence of either a "mass layoff" (which has specific legal requirements about how many workers must be affected) or a "plant closing." Additionally, the court noted the union weakened its own case by failing to properly argue the plant closing issue in its initial court filing. **What This Means for Workers** This case shows how challenging it can be to win WARN Act violations in court. Workers and unions must carefully document layoffs and present strong evidence that the specific legal requirements were met. The ruling also highlights the importance of thorough legal preparation when challenging employers over layoff notices.