Amazon.com Inc. drivers will get to fight out their claims the internet giant misclassified them as independent contractors in court, a federal judge ruled April 23.

In a move that affects tens of thousands of Amazon workers nationwide, Judge Jon Coughenour said the individual arbitration clauses used in the drivers’ employment contracts aren’t enforceable.

The Federal Arbitration Act has an enforcement carve out for “workers engaged in foreign or interstate commerce,” he said for the U.S. District Court for the Western District of Washington.

That clause applies to the plaintiffs here because Amazon is “in the business of delivering packages ...