Apple is heading to court in London on Monday to defend against a class-action lawsuit seeking £1.5 billion ($1.9 billion) in damages

Apple has abused its dominant position by charging app developers an unfair 30% commission through its App Store, costing British consumers up to 1.5 billion pounds ($1.8 billion), a London tribunal heard on Monday.

A four-year-old class action lawsuit filed in the UK again Apple's App Store fees will finally go to trial on Monday, January 13 — seeking up to 1.5 billion pounds ($1.83 billion) in potential damages.

Apple is being accused of taking advantage of its dominant position by charging a 30% commission on app sales. This, according to a London tribunal, led to UK consumers being overcharged by as much as £1.

Apple is facing a lawsuit filed on behalf of around 20 million iPhone and iPad users in the UK, who claim they were overcharged for app purchases.

STORY: Apple has abused its dominant position and cost British consumers up to $1.8 billion.That was what a London tribunal heard on Monday (Jan 13).The U.S. tech giant is accused of charging app developers an unfair 30% commission through its App Store.

Apple was accused Monday of abusing the dominant position of its app store at the start of a court trial in the UK, with plaintiffs seeking £1.5 billion ($1.8 billion)