Apple has asked to participate in Google's upcoming U.S. antitrust trial over online search, saying it cannot rely on Google to defend revenue-sharing agreements that send the iPhone maker billions of dollars each year for making Google the default search engine on its Safari browser.

Apple has stepped into Google’s high-stakes antitrust trial, aiming to defend its billion-dollar revenue-sharing agreement with the search giant, according to Reuters. This arrangement ensures Google remains the default search engine on Apple’s Safari browser,