Uber Technologies and its Gibson, Dunn & Crutcher counsel shrugged off claims from shuttered ride-hailing startup Sidecar that Uber surged into new markets and deployed anti-competitive tactics to create a monopoly.

On Tuesday, U.S. District Chief Magistrate Judge Joseph Spero of the Northern District of California granted Uber’s motion to dismiss Sidecar’s amended complaint, which alleged Uber acted as a monopolist to drive Sidecar and other companies out of business.