The problem of papal primacy is one the most fragile issues between Catholics and Protestants. The author of the article discusses the possibility of a separation of the primacy of jurisdiction from the primacy of teaching. The method of reasoning follows the one of St. Thomas: first the arguments pro are given, and later the arguments contra. The arguments are from Catholic theology, Lutheran theology and philosophy. The answer is given from Ecumenical Perspective.The problem of papal primacy is one the most fragile issues between Catholics and Protestants. The author of the article discusses the possibility of a separation of the primacy of jurisdiction from the primacy of teaching. The method of reasoning follows the one of St. Thomas: first the arguments pro are given, and later the arguments contra. The arguments are from Catholic theology, Lutheran theology and philosophy. The answer is given from Ecumenical Perspective