The press conference was an explosion of potential defamation claims by individuals or companies. The only clear defense is truth. The team insists that it can prove these allegations. It may have to do so. https://jonathanturley.org/2020/11/19/is-dominion-going-to-sue-the-trump-team/

...The Trump campaign itself could be liable under the principle of respondeat superior. Ironically, the Latin term means “let the master speak.” The President or his campaign could be forced to speak in a defamation case if they have not spoken in the promised court filings.

...It would seem likely that we will now see some judicial review of these allegations either in an election challenge or a defamation action or both.