increase font size Cannabis sellers argue in appeal to restore ban on out-of-state providers Plaintiffs argued Thursday before the Maine Supreme Judicial Court that the state must enforce a residency clause in its adult-use cannabis law. Share A group of medical cannabis providers is not giving up its fight to keep out-of-state interests away from Maine’s growing adult-use marijuana market. In August, the Maine Superior Court dismissed a lawsuit filed by United Cannabis Patients and Caregivers of Maine that would have required the state to enforce a residency requirement that the state attorney general had decided is likely unconstitutional.