British American Tobacco BAT launches first CBD vaping product British American Tobacco wants to build global vape brands VAPE HK BAT's menthol vape wins stay of execution Proactive Philip Morris v RAI: British American Tobacco patent for heated tobacco device revoked for lack of inventive step and added matter Hogarth Chambers British American Tobacco (BAT), a global tobacco company, will enter the synthetic nicotine liquid e.. MK