Former President Donald Trump continued to press claims Monday that Twitter was acting on behalf of the government when the company banned his account following the Jan. 6 riot at the Capitol, a claim that one legal expert said appears to be dubious.

Trump and other Republican groups and individuals suing Twitter over censorship claims argued in a brief that past statements from Democratic lawmakers about potentially removing certain protections for social media companies under Section 230 of the Communications Decency Act amount to the government coercing the company into silencing certain viewpoints in violation of the First Amendment. Throughout the filing, he also recycled some debunked claims about the 2020 election results and the origins of COVID-19.