Case Summary:

On February 24, 2026, the Supreme Court heard oral arguments in Enbridge Energy, LP v. Nessel, a case that could determine the fate of the controversial Line 5 pipeline through a technical dispute over court deadlines.

The litigation began in 2019 when Michigan Attorney General Dana Nessel sued in state court to shut down a segment of the Enbridge pipeline running beneath the Straits of Mackinac, citing environmental risks. Nearly 30 months into the state court proceedings, Enbridge attempted to "remove" the case to federal court—far beyond the standard 30-day statutory deadline for such moves.

Core Legal Issues

The central question before the Court is whether the 30-day deadline for removing a case from state to federal court (28 U.S.C. § 1446(b) ...