PORTLAND – Ralph Nader is making what could be his last legal stand, seven years after losing his presidential bid.

Nader asked Maine’s Supreme Court on Wednesday to reinstate his lawsuit against the Democratic Party and its allies for tactics used to try to keep him off the ballot in Maine and more than a dozen other states. Last November, a Superior Court justice granted a motion by the Democratic National Committee and others to toss his lawsuit.

The appeal focuses on a 1995 Maine statute that targets meritless lawsuits aimed at silencing activists.