When a U.S. judge declared Google LLC an illegal monopoly last month, it didn’t mark the end of the tech giant’s legal troubles. Now, Google is being sued by Yelp Inc. – one of its longstanding critics.

Google has won a court challenge against a 1.49 billion euro European Union antitrust fine imposed five years ago that targeted its online advertising business

In an effort to quell monopoly concerns in the EU, Google reportedly offered to sell its AdX advertising marketplace. Sources told Reuters that European publishers rejected Google's offer, arguing that the company would have to divest more in order to dismantle the conflicts of interest in its online advertising operations.