On June 10, the Texas Democratic Party filed a lawsuit in state court in Austin, seeking a court order to prevent the Green Party from certifying the names of its nominees to the Secretary of State. See this story. The case is probably called Texas Democratic Party v Texas Green Party. The case number is not available yet.
The Texas Democratic Party also seeks a court order to allow its attorneys to take depositions to find out who donated money to pay for the party’s petition drive.