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Donald Trump is following through with his promise to take his fight to the courts.

The entrepreneur has filed a $500 million lawsuit in New York State Supreme Court against Univision for failing to air the Miss USA Pageant. Last week, the nation’s largest Spanish-language network dropped the pageant, which is owned by Trump and NBC, after the reality star made derogatory remarks about immigrants while announcing his candidacy for President of the United States.

“While Univision claims its decision came solely in response to comments by Mr. Trump during a June 16, 2015 campaign speech announcing his candidacy for President of the United States, the decision was, in reality, a politically motivated attempt to suppress Mr. Trump’s freedom of speech under the First Amendment as he begins to campaign for the nation’s presidency,” read a statement from Trump released to CNN.

Trump has also threatened to sue NBC after the net announced Monday that it would yank the pageant, too.

Univision released this response: “We just reviewed Mr. Trump’s complaint for the first time, and it is both factually false and legally ridiculous. We will not only vigorously defend the case, but will continue to fight against Mr. Trump’s ongoing efforts to run away from the derogatory comments he made on June 16 about Mexican immigrants. Our decision to end our business relationship with Mr. Trump was influenced solely by our responsibility to speak up for the community we serve.”

In the lawsuit, Trump claims the decision to yank the pageant was “a thinly veiled attempt by Univision, a privately held company principally owned by longtime Clinton Foundation donor and current Hillary Clinton fundraiser, Haim Saban, to suppress Mr. Trump’s freedom of speech under the First Amendment as he begins to campaign for the nation’s president and, in recent weeks, has dramatically risen in the polls while expressing critical views of Mrs. Clinton.”

The lawsuit also addresses how eight days after Trump announced his candidacy, a high-ranking exec at Univision called him to say how the net has been inundated with calls about his deregatory comments toward Mexican immigrants and that it was terminating its relationship with the Miss Universe Organization because it could “no longer sell” the pageant to advertisers. Univision would still pay the $13.5 million in license fees to the organization, the lawsuit said.

Trump claims in the lawsuit that his views toward immigration reform are nothing new and that he’s been talking about the influx of illegals “pouring into the U.S.” for over a decade. He even cites a quote he gave to Bill O’Reilly on Fox News in 2011 about how “they’re climbing over a fence, and there’s nobody within 10 miles .. and they’re selling drugs all over the place, they’re killing people all over the place and we’re not doing anything about it.”