A federal judge hammered key elements of Google’s defense on Thursday as closing arguments began in a landmark antitrust trial that could potentially upend the tech giant’s online search empire. Judge Amit Mehta,

The government and Google made closing arguments in a high-stakes antitrust trial to a federal judge, who must now decide whether the tech giant’s search engine constitutes an illegal monopoly.

Judge Amit P. Mehta must now decide whether Google violated the law, potentially setting a precedent for a series of tech monopoly cases.