Law Commons^™

State Action On Appeal: Parker Immunity And The Collateral Order Doctrine In Antitrust Litigation, Jason Kornmehl

Seattle University Law Review

The collateral order doctrine is perhaps the most significant exception to the general rule that only final judgments are appealable. The doctrine is particularly important in antitrust litigation when a defendant asserts state action immunity, often referred to as Parker immunity. However, the circuit courts have struggled with the question of whether a denial of Parker immunity is immediately appealable as a collateral order. This unsettled procedural issue is further complicated by the fact that the substantive law on Parker immunity differs depending on the entity asserting state action. This Article argues that a governmental entity that is deemed part …