This story lists the twelve Republicans and three Democrats placed on the Wisconsin presidential primary ballots by election officials. The list does not include Rocky De La Fuente. Candidates discussed in the news media go on the ballots automatically in Wisconsin.
In Illinois, presidential primary petitions need their own petition of 3,000 signatures. And if they want to elect delegates, separate petitions are needed in each U.S. House district. According to this story, Republican presidential candidate John Kasich failed to file enough valid signatures in six of the eighteen districts.
Also, an individual named William K. Graham of Glen Ellyn has filed a challenge to the Illinois Marco Rubio petition.
On January 12, the Vermont Secretary of State said ten Republican presidential candidates qualified for the Republican primary, and four Democrats qualified for the Democratic primary. See the list here.
Never before had more than seven candidates qualified for a Vermont Republican presidential primary.
The Progressive Party and Liberty Union Party are eligible for a presidential primary as well, but no one filed for those parties. Those two parties are still free to nominate a presidential candidate for the general election ballot. Generally the Progressive Party does not participate in presidential elections, although it did nominate Ralph Nader in 2000.
On January 5, Level the Playing Field, the Libertarian Party, and the Green Party, filed an amended complaint in the lawsuit concerning presidential debates. The amended complaint was needed because only in December 2015 did the FEC formally deny the complaint filed against the Commission on Presidential Debates by the two political parties, so the new complaint was needed to reflect that.
The U.S. Supreme Court conference of Friday, January 22, will consider Erard v Johnson, the Michigan Socialist Party’s ballot access case. The issue is Michigan law that requires newly-qualifying parties to show approximately twice as much support to get on the ballot, as old parties must show to remain on.
However, the January 22 conference date may simply decide whether the case was timely filed. There is a dispute as to whether it was filed in time. The case number at this point is 15M76.