Editor's note: A previous version of this story incorrectly implied AB5 was no longer the law in California for anyone. While the law no longer applies to ride-hail and food delivery workers, it remains in effect for other freelancers.
Uber, Lyft and other gig-economy companies face a new challenge from the Biden administration to their use of contract workers, but as they gear up for a fight in Washington they could turn to a lobbying playbook that helped them score a decisive win against California regulators last year.
President Joe Biden campaigned on the promise of providing legal protections and benefits to gig workers, who as independent contractors generally have no access to unemployment insurance, sick pay and health insurance. U.S. Labor Secretary Marty Walsh said last week: "A lot of gig workers should be classified as employees."
In Congress, Democratic lawmakers are pushing a union-supported labor bill, the PRO Act, that in part is modeled…