Apple has officially responded to the US Department of Justice's antitrust lawsuit, strongly denying accusations of a smartphone monopoly. Filed in March 2024, the DOJ's complaint alleges that Apple's practices stifle competition and harm consumers. Apple's formal response argues that the lawsuit threatens the core principles that differentiate the iPhone and contribute to its success. The company maintains its commitment to innovation and user experience, asserting that the DOJ's claims are unfounded and could negatively impact the future of smartphone development.