no, that's not the case in the UK - as long as the person served is over 18, there is no comeback on the bar that served them. Most bars won't serve people who are too drunk but in the UK that generally means "too drunk to talk anymore". If you are sober enough to be able to order it and the bar staff can understand, chances are you'll be served. If you then get into a car and drive into someone. the only person held responsible is you... I remember from when I was in Australia that in some states it's illegal to serve someone who is already drunk but I was never sure how that was enforced, or how you made that call - I got drunk a lot and was never refused service.