Factbox-US takes on Apple as efforts to curtail Big Tech gather momentum

FILE PHOTO: The Apple Inc. logo is seen in the lobby of New York City's flagship Apple store January 18, 2011. REUTERS/Mike Segar/File Photo

(Reuters) - Apple was on Thursday sued by the U.S. Department of Justice, the latest antitrust action against Big Tech firms accused by regulators of operating monopolies and abusing their power.

The case is the fifth by the U.S. government aimed at reining in tech giants. Below are some such actions and other lawsuits: