No one has left feedback for this problem. I would say go for broke and try anything. you don't have much to loose at this point. I would take a spray bottle and put vineger in and soak it good, then I would use a wet vac to suck the vinegar and try this continuously to get the urine out. or try blotting, rewetting and reblotting. you might try a dry method using the vineger and applying a paste made of baking soda and allowing it to dry as it dries it will put the stain away from the leather? Maybe? These are untested on leather; worth a shot though. ... View related article.