In a blistering decision, U.S. District Judge for the Middle District of Pennsylvania Matthew Brann dismissed the campaign's lawsuit alleging that Republicans were disadvantaged because election officials in Democratic-leaning counties allowed voters to fix errors on their mail-in ballots.
Brann ruled that the campaign is essentially asking the court "to disenfranchise almost seven million voters," using "strained legal arguments without merit and speculative accusations ... unsupported by evidence."
The judge also denied the campaign a motion to file an amended complaint, concluding that it had already done so once before, and that further motions "would unduly delay" the Nov. 23 deadline for Pennsylvania counties to certify their election results.
As NPR previously reported, Rudy Giuliani, President Trump's lawyer, had argued that Republican observers were illegally denied access to ballot counting in Allegheny County and other Democratic-leaning areas and that the court should therefore invalidate nearly 700,000 mail-in votes.
Saturday's order is the latest in a series of defeats in several key swing states where Trump's legal team has sought to either halt or delay the certification of election results as part of the president's longshot strategy to reverse the outcome.