Yes to both questions. For cases where Catholics are being denied their rights in the secular world, contact the Catholic League for Religious and Civil Rights, 450 Seventh Ave., New York, NY 10123, phone (212) 371-3191. This organization exists to help defend the rights of Catholics in American courts.
For cases where Catholics are being denied their ecclesial rights within the Church, contact the St. Joseph Foundation, 11107 Wurzbach Ste. 601B, San Antonio, Texas 78230-2570, phone (210) 697-0717.