This ruling only effects California and a single driver, as explained by an article in Forbes: http://www.forbes.com/sites/quora/2015/06/30/the-california-...

California did not rule that Uber drivers are employees. Rather, a single labor commissioner made that finding (not a ruling) in an informal, non-binding hearing that is based on the facts of the specific driver’s circumstances, applies only to that driver, is likely to be appealed, and is of no precedential effect. Other commissioners in other circumstances have found the opposite