In 2007, Illinois law required all candidates in the presidential primary to submit 3,000 signatures by November.

[9] The party also had the power to fill ballot vacancies in races where nobody was picked in the February 5 primary.

LeAlan Jones, a journalist and activist from Chicago's South Side, ran for Senate.

Whitney and Jones filed a lawsuit against Public Broadcasting Station member WTTW for excluding them.

[16] In 2016, the Green Party ran Scott Summers for U.S. Senate and Tim Curtin for Illinois Comptroller.