Former President Donald J. Trump on Wednesday sued a few tech giants — Fb, Twitter and Google — and the firms’ main executives right after the platforms took many steps to ban him or block him from submitting.

Mr. Trump, talking from his Bedminster, N.J., golfing club, declared that he would provide as the lead plaintiff in the class-action lawsuit, arguing that he has been censored wrongfully by the tech businesses. Speaking about “freedom of speech” and the Initially Amendment — which applies to the federal government, not to non-public-sector providers — Mr. Trump named his lawsuit, which was filed on Wednesday in the United States District Court for the Southern District of Florida, a “very beautiful improvement.”

His political operation instantly commenced fund-boosting off it.

At the occasion and in court files, Mr. Trump’s legal workforce argued that the tech companies amounted to point out actors and thus the To start with Amendment applied to them.

Lawful authorities claimed related arguments had repeatedly unsuccessful in the courts ahead of.

“Mark Zuckerberg does not operate for the governing administration, Jack Dorsey does not function for the govt,” Eric Goldman, a legislation professor at Santa Clara College School of Regulation and a co-director of the Superior Tech Law Institute, explained of the Fb and Twitter main executives. “The strategy that in some way, magically, we can take care of them as an extension of the govt is illogical.”

Social media businesses are allowed, under present regulation, to reasonable their platforms. They are safeguarded by a provision, regarded as Portion 230, that exempts world-wide-web companies from legal responsibility for what is posted on their networks and also lets them to take out postings that violate their standards.

The lawsuit asks the court to declare Portion 230, which Mr. Trump has railed towards, “unconstitutional” and to restore the former president’s entry to the websites, as nicely as that of other members of the lawsuit who have been blocked. The go well with also asks to stop the tech companies from “censorship” of Mr. Trump in the potential.

“Our scenario will show this censorship is unlawful, unconstitutional and wholly un-American,” Mr. Trump reported. “If they can do it to me, they can do it to any individual.”

Twitter declined to remark. Facebook and Google did not immediately reply to requests for comment.

To some extent, the lawsuit appeared to be as substantially a publicity perform — Mr. Trump employed the prospect to when all over again assault some of his most loved political targets that were unrelated to the lawsuit — as an true authorized gambit. Mr. Trump also said on Wednesday that he would pursue his anti-tech enterprise agenda in Congress, condition legislatures and “ultimately, the ballot box.”

Before Mr. Trump was completed speaking, each the National Republican Congressional Committee and the Countrywide Republican Senatorial Committee experienced despatched text messages about the lawsuit and asked for contributions. Mr. Trump’s political action committee despatched its own solicitation shortly following the party finished. “Donate NOW,” it claimed.

The previous president produced the announcement in concert with the The united states Very first Policy Institute, a nonprofit run by veterans of his administration, such as Brooke Rollins, the previous director of the Domestic Policy Council, and Linda McMahon, who served as administrator of the Tiny Organization Administration.

“There’s not significantly precedent for an American president using main-media firms to court — nor is there a lot precedent for an American president partaking the judiciary to form the landscape of American freedoms right after his presidency,” Ms. Rollins reported in a assertion.

Blake Reid, a scientific professor at the University of Colorado Legislation College, who studies the intersection of law and technologies, put it another way: “The lawsuit is a lawfully frivolous publicity stunt that has primarily no likelihood of succeeding in courtroom but a superior prospect of drawing a whole lot of awareness.”