Meta to Face Class Action Claims Over Ad Reach, Court Says

Meta Platforms Inc. failed to persuade a federal appeals court to nix a class action lawsuit from advertisers alleging the company overstated the number of people seeing Facebook and Instagram ads.

The US Court of Appeals for the Ninth Circuit on Thursday upheld a district court ruling that the proposed group — people who purchased ads on Meta platforms from August 2014 to the present — could sue as a class.

The lead plaintiffs allege Meta expressed the reach of ads as a number of people when it was actually a number of accounts, representing fewer people. The class, which ...