A young couple wanted to contest AT & T 's $ 30 sales tax charge on a ` ` free '' phone . Because the charge was small , they wanted to press the issue with other potential purchasers . The current case is AT & T Mobility LLC v. Concepcion ( 09-893 ) . The court ruled that the carrier 's clause against larger class - action lawsuits is permissible .
A young couple wanted to contest AT & T 's $ 30 sales tax charge on a ` ` free '' phone . Because the charge was small , they wanted to press the issue with other potential purchasers . The court ruled that the carrier 's clause against larger class - action lawsuits is permissible .