GRANDPARENT VISITATION : GRANDPARENTS AND PARENTS MUST BE AWARE OF THEIR RIGHTS. THESE CASES CAN BE EXTREMELY DIFFICULT. THE U.S. SUPREME COURT, THE CALIFORNIA SUPREME COURT, AND NUMEROUS CALIFORNIA APPELLATE APPELLATE COURTS HAVE MADE IMPORTANT RULINGS ON THIS CRITICAL ISSUE. GRANDPARENTS AND PARENTS MUST KNOW THE LAW.