“The Court is persuaded that it can presume the proposed merger is likely to violate antitrust laws,” wrote Judge Martínez-Olguín.

Judge Araceli Martínez-Olguín determined the merger likely violated antitrust laws.

Paramount's owners were hoping they'd be firmly in control of rival Warner Bros. Discovery by the end of this week. Monday's temporary restraining order puts that plan on hold.

A federal judge on Monday ordered Paramount and Warner Bros