Here's a breakdown of Trump's legal challenges in key battleground states — and why they have no chance of succeeding

As President-elect Joe Biden's transition team begins working to prepare for a January inauguration, President Donald Trump is still engaged in a chaotic fight to overturn the results of the election. In the last several days, Trump's campaign has filed a string of lawsuit contesting election results in several states.

After Biden was declared the projected winner on Saturday, the Trump campaign hit back with a statement confirming its intent to launch a legal attack.

"Our campaign will start prosecuting our case in court to ensure election laws are fully upheld and the rightful winner is seated," Trump said in a statement Saturday. "The American People are entitled to an honest election: that means counting all legal ballots, and not counting any illegal ballots."

But despite the campaign's efforts, they have had very little success in court due to their inability to provide substantial evidence to support their baseless claims of "rife" voter fraud.

"You can't go to court just because you don't like the vote totals," Ohio State election law professor Ned Foley said on MSNBC over the weekend. "You have to have a legal claim, and you have to have evidence to back it up. And that's just not there."

Here is a quick breakdown of the tactics they have used so far that have come up short:

Michigan: Baseless accusations of lack of transparency - On Election night, Trump was confident Michigan was a state he would win, but as mail-in ballot counts were reported, the president's lead quickly dwindled. When the president lost the city of Detroit, he attempted to claim the loss was due to some form of lack in transparency in the vote counting process. Again, the Trump campaign was faced with the same roadblock: no evidence to support their claims.

"This court finds that while there are assertions made by the plaintiffs that there is no evidence in support of those assertions," Judge Timothy Kenny said in a response denying the campaign's request to delay election results certification.

Judge Cynthia Stephens also denied a separate legal claim from the campaign.

"On this factual record, I have no basis to find that there's a substantial likelihood of success on the merits as relates to this defendant, nor am I convinced that there is a clear legal duty on behalf of anyone who is properly before this court to manage this issue," Stephens said.

Arizona: The "Sharpiegate" conspiracy - Trump's campaign claimed voters had their ballots rejected because they used Sharpie markers to fill them out. Although the rumor, which began circulating on social media, was ultimately debunked by Arizona officials, the Trump campaign still moved forward with its lawsuit. During a local TV interview, Secretary of State Katie Hobbs described the campaign's lawsuit as an attempt at "repackaging" of Sharpiegate conspiracy.

"The claims are baseless," Hobbs said. "At this point folks are grasping at straws."

Georgia: The "late ballots" claim with no evidence - After Trump's lead tumbled in Georgia, Trump was convinced that the devastating loss had to be the result of "late ballots" being included in the vote count. However, there is just one problem: Trump has no way of providing his claims. Last week, Judge James F. Bass dismissed the lawsuit citing lack of evidence that "the ballots referenced in the petition were received after 7:00 p.m. on [Election Day], thereby making those ballots invalid."

Pennsylvania: Distorted claims about extended deadlines and lack of Republican observers - Trump has made bold claims about the results in Pennsylvania often claiming the election was "stolen" from him. However, state officials are pushing back against Trump's claims to uphold the integrity of their election systems.

Pennsylvania Attorney General Josh Shapiro told NPR that despite President Trump's rhetoric about "big" legal wins in the state, the lawsuits thus far have yielded no material changes to election processes.

Nevada: Rejected calls to halt machine verification and processing of mail ballots - In Nevada, Trump's campaign filed a lawsuit to halt the vote-counting process. However, that lawsuit has also been unsuccessful.