NEW YORK — A Florida judge sanctioned former President Donald Trump and one of his attorneys, ordering them to pay nearly $1 million for filing what he said was a bogus lawsuit against Trump’s 2016 rival Hillary Clinton and others.

In a blistering filing on Thursday, U.S. District Judge Donald M. Middlebrooks accused Trump of a “pattern of abuse of the courts” for filing frivolous lawsuits for political purposes, which he said “undermines the rule of law” and “amounts to obstruction of justice.”

“Here, we are confronted with a lawsuit that should never have been filed, which was completely frivolous, both factually and legally, and which was brought in bad faith for an improper purpose,” he wrote.

Citing Trump’s recent legal action against the Pulitzer Prize board, New York’s attorney general, big tech companies and CNN, he described Trump as “a prolific and sophisticated litigant” who uses the courts “to seek revenge on political adversaries.”

Judge: Trump Is Mastermind of Judicial Process Abuse

“He is the mastermind of strategic abuse of the judicial process,” he wrote.

The ruling required Trump and his attorney, Alina Habba, to pay nearly $938,000 to the defendants in the case.

A spokesman for Trump and Habba did not immediately respond to requests for comment late Thursday.

Middlebrooks in September dismissed the suit Trump had filed against Clinton, former top FBI officials and the Democratic Party, rejecting the former president’s claims that they and others conspired to sink his winning presidential campaign by alleging ties to Russia.

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The lawsuit had named as defendants Clinton and some of her top advisers, as well as former FBI Director James Comey and other FBI officials involved in the investigation into whether Trump’s 2016 presidential campaign had coordinated with Russia to sway the outcome of the election.

He said then the suit contained “glaring structural deficiencies” and that many of the “characterizations of events are implausible.”

In the wake of the sanctions, Trump on Friday withdrew his lawsuit against New York Attorney General Letitia James. The case, in federal court in Florida, had also been before Middlebrooks.

Trump sued James in November in response to her lawsuit alleging he and his company mislead banks and others about the value of assets in a practice she dubbed “The art of the steal.”

Trump, a Republican, also sought to prevent James, a Democrat, from having any oversight over the family trust that controls his company. His 35-page complaint rehashed some claims from his previously dismissed lawsuit against James in federal court in New York, irritating Middlebrooks, who wrote in a December order: “This litigation has all the telltale signs of being both vexatious and frivolous.”