It's being reported that Apple legal has urged a federal appeals court to uphold a judge’s ruling that largely vindicated its business model which charges commissions on developers for App Store transactions.

The iPhone maker on Thursday argued that Epic Games Inc., the maker of Fortnite, has failed to provide evidence backing its claim that Apple’s app distribution marketplace is a monopoly.

Apple said a judge in Oakland, California, was correct to conclude in September, following a trial, that App Store rules and regulations don’t violate federal antitrust law.

The battle between the two companies began in 2020 after Apple removed the Fortnite game from the App Store because Epic created a workaround to paying a 30% fee on customers’ in-app purchases.

The technology giant also asked the appeals court to reverse a part of the September ruling that didn’t go its way. Apple was found to have engaged in anticompetitive conduct under California law and ordered to allow app and game developers to steer consumers to outside payment methods on the web. The order is on hold while the appeal plays out. For more, read the full Bloomberg report.