There was a discussion a few days ago about splitting shares : http://news.ycombinator.com/item?id=4379079 http://news.ycombinator.com/item?id=4379079 CodeCube

There was a discussion a few days ago about splitting shares : http://news.ycombinator.com/item?id=4379079 http://news.ycombinator.com/item?id=4379079 CodeCube provided a link to Joel Spolsky's answer on how to do this. He speaks about your specific case where you'd work full time on it while your co-founder does not : http://answers.onstartups.com/questions/6949/forming-a-new-software-startup-how-do-i-allocate-ownership-fairly/23326#23326 http://answers.onstartups.com/questions/6949/forming-a-new-s...