The court was unanimous in dismissing a lawsuit from Congressman Mike Kelly and other Republicans that sought to invalidate absentee voting and halt the certification of votes.
In a series of tweets on Saturday, Trump said his team plans to challenge many more than the 81,000 votes that he lost by in Pennsylvania.
The Trump campaign paid $3 million for a partial recount in Wisconsin's Milwaukee and Dane counties.
A proposed resolution by state GOP lawmakers calls for the election certification to be withdrawn—and for the GOP-controlled state legislature to pick electors.
Circuit Judge Stephanos Bibas noted that the president's "claims have no merit."
Reacting to the ban, Trump compared the actions of Twitter with those of a communist country, and said the social network's decision could not stand.
Tom Ridge has tweeted it was a "shameful irony" that a meeting was held in Gettysburg to discuss how to overturn the election result.
In a tweet, Pennsylvania's Attorney General Josh Shapiro wrote, "The sitting president's remarks today were devoid of reality. The election is over. Pennsylvania has certified results & declared Joe Biden the winner of our Commonwealth."
President Trump on Wednesday gave his lengthiest remarks about the election since Joe Biden was declared the winner, by calling into a meeting that Pennsylvania's GOP state senators held to question the election results.
"I don't want to see this man punished like the women in Texas," John Fetterman told Newsweek in a statement, referring to Crystal Mason's 2016 case. "I don't want that for anybody."
President Donald Trump has apparently canceled plans to join his legal team in Gettysburg, Pennsylvania today for a meeting with the state's Republican senators about the election.
"I do think that Donald Trump should concede when the certifications come in," said Chistopher Ruddy, the CEO of Newsmax Media. "I would not support going to state legislators to overturn the electors."
Despite the results being certified, the Trump campaign plans to continue the battle for Pennsylvania.
A bar and tavern association acknowledged it must do its part to keep people safe, but it couldn't understand why legislators weren't providing financial help.
Taking aim at COVID, the suspension applies to all bars and restaurants on the night before Thanksgiving, one of the biggest drinking nights of the year.
Pennsylvania's county elections officials are due to certify their respective jurisdictions' results on Monday.
Sen. Patrick Toomey (R-PA) made the comments after the Trump campaign's latest legal set back in Pennsylvania.
In a scathing opinion, District Judge Matthew W. Brann on Saturday said the Trump campaign submitted "strained legal arguments without merit and speculative accusations."
The lawsuit attempts to throw out over 2.5 million mail-in ballots cast in the state.
Pennsylvania Governor Tom Wolf said the audit was unnecessary because the committee in charge has "no expertise or role in election administration."
White House Press Secretary Kayleigh McEnany said Wednesday that requiring poll watchers in Pennsylvania to stand "a football field away" during the vote-counting process was a "travesty."
"How exactly will they enforce that? I smell the stench of an overreaching government," the actor tweeted on Wednesday.
"This is not a television program," Mick Mulvaney said.
Pennsylvania has announced four new efforts that include wearing face masks and testing visitors before they enter the state.
The former New York mayor appeared in court on behalf of the Trump campaign to challenge election results.
The Philadelphia Board of Elections acted correctly in setting up its access rules for observers, the court ruled Tuesday.
The Trump campaign has made unsubstantiated claims of voter fraud in several key swing states since November 3.
The lieutenant governor of Texas had offered a large sum for any evidence of voter fraud and his Pennsylvania counterpart says he found it.
President Donald Trump has insisted foul play facilitated Joe Biden's election success, with his campaign pushing a raft of legal action following November 3.