Meta, TikTok Challenge EU’s Crackdown on Big Tech Dominance (1)

The owners of Facebook and TikTok have formally challenged the European Union’s latest clampdown on the dominance of Big Tech firms, paving the way for a fresh legal fight between regulators and the social media powerhouses.

Meta Platforms Inc. argued that the European Commission was wrong to put Facebook’s Marketplace and Messenger services within the scope of the bloc’s Digital Markets Act, which is designed to rein in market abuse. Its appeal filed on Wednesday sets up a battle in the courts with EU lawyers.

“This appeal seeks clarification on specific points of law regarding the designations” under the ...