The president failed to overturn his loss to Democrat Joe Biden in the battleground state.
It was the latest court failure for Trump and his allies, who have lost dozens of cases in state and federal courts.
Similar Trump campaign lawsuits have failed in other battleground states.
The Trump campaign has been using shady legal language buried in the solicitations to donors.
In Milwaukee County, Biden’s lead increased by 132 votes after county election officials recounted the more than 450,000 votes that were cast there.
The unanimous action sends Gov. Steve Sisolak results that will deliver six electoral votes from the battleground state to Biden.
The president remains fixated in his unprecedented attempt to maintain his grasp on power to delegitimize Biden's win.
The gathering may be a long-shot attempt to subvert the process that saw Democrat Joe Biden win the battleground state.
The Trump campaign has pursued litigation in several battleground states, with little to show for it.
The Trump campaign says it's filing lawsuits in Michigan and Pennsylvania.