BBC News Published image copyrightGetty Images Millions of Apple's UK customers should be compensated for breaches of competition law, a legal action claims. The case, filed with the UK Competition Appeal Tribunal (CAT), alleges Apple's 30% commission on app sales is an abuse of dominance and unlawful. Organisers are aiming to include nearly 20 million UK users in the collective action, if it is approved. Those behind the claim say they intend to seek damages of up to £1.5bn. Apple said the legal action was "meritless". Collective action While the UK does not have the same kind of class-action legal structure as the US, so-called "optout" claims have been allowed in the CAT since 2015, meaning all affected people could be covered unless they decide to exclude themselves.