The United States Department of Justice has granted final approval for Paramount Global's proposed acquisition of Warner Bros.

Discovery, a person familiar with the matter told CNBC on Friday.

The clearance marks the conclusion of the primary antitrust review in the United States for the $110 billion mega-deal, which aims to merge Paramount's streaming and broadcast assets with Warner Bros.

The clearance marks the conclusion of the primary antitrust review in the United States for the $110 billion mega-deal, which aims to merge Paramount's streaming and broadcast assets with Warner Bros.

Discovery's content library and cable networks.

The approval removes the last significant domestic regulatory obstacle for the transaction.

While the deal has faced scrutiny over potential market concentration in the streaming and theatrical distribution sectors, the DOJ's sign-off indicates that US regulators are satisfied with the structural remedies or competitive conditions proposed by the parties.