INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL 542 v. Mallinckrodt ARD, Inc. f/k/a Questcor Pharmaceuticals, Inc.

**Union Challenges Pharmaceutical Company in Federal Court** This case involved a dispute between Operating Engineers Local 542, a labor union, and Mallinckrodt ARD (formerly Questcor Pharmaceuticals), a pharmaceutical company. The union filed a statutory action against the company, meaning they claimed the employer violated specific laws that protect workers' rights. The exact nature of the dispute - whether it involved contract violations, benefit issues, or other workplace matters - isn't detailed in the available information. The case was heard by the Third Circuit Court of Appeals, indicating it was appealed from a lower court decision. However, the specific outcome and court's reasoning aren't provided in the available details. **What This Means for Workers:** Even without knowing the specific outcome, this case demonstrates that unions actively use the court system to enforce workers' rights when they believe employers have violated labor laws. When unions take legal action against employers, it can set important precedents that affect workplace protections, collective bargaining rights, and benefit entitlements for union members and potentially other workers. These types of cases help clarify what employers can and cannot do under federal labor law.