The increase intersection between constitutional law and law philosophy trabsforma the single orientation of each subject. Technically, this approach is not a subject, neither an issue of consideration by philophers. The state of art in constitutional interpretation call for more than a soft knowledge in moral and polical philosophy. Today democratic questions are raised for scholars who have to dive in deep political philosophy arena, whereareas of many non-philosophers by nature found lack of properties. Thus, in the begging of 21 century, not only the barrier non exist anymore, but also a new trend of both realms raise propoer answers and ways to political and moral debates in the center of justification. The presentation explores the gains and possibilities of a subject (constitutional-philosophy) oriented to case resolution with philosophic approarch of themes that are challenged and examined by constitutional courts.