U.S. antitrust cases against tech giants Google and Meta Platforms are expected to come to a head in 2024, likely producing long-awaited rulings that could shape the legacies of top Biden administration regulators.

Silicon Valley and its critics have seen their patience tested on some of these cases. A U.S. antitrust case brought against Alphabet’s Google unit in 2020 went to trial in 2023 and now heads to closing arguments in May.