There’s no timeline for the U-S Sixth Circuit Court of Appeals to make the decision.
The state says a federal judge made an error by moving the case from the Ingham County Circuit Court to a U-S District Court.
Attorney General Dana Nessel says her office filed the case under Michigan environmental and public nuisance laws.
“When a state attorney general makes state law claims they should be heard in a state court. It’s pretty simple.”
But Enbridge says there are a host of international controversies related to the pipeline which runs through the U-S and into Canada, including a segment beneath the Straits of Mackinac.
Enbridge says that puts the argument within the province of federal courts.