Nippon Steel Corporation, along with its subsidiary Nippon Steel North America, Inc., has concluded litigation and disputes with United States Steel Corporation, the United Steelworkers (USW), and Cleveland-Cliffs Inc. The legal matters were related to the partnership between Nippon Steel and U. S. Steel, formalized in June 2025. The resolution includes the dismissal of a lawsuit against USW International President David McCall and the withdrawal of an unfair labor practice charge by the USW against U. S. Steel. No financial considerations were exchanged in the settlement, and the parties remain committed to focusing on steelmaking and collective bargaining. Additionally, all claims in the lawsuit involving Cliffs and its CEO Lourenco Goncalves have been dismissed, marking the end of the litigation.