The abuse of rights by majority shareholders such as controlling the GMS to withhold dividends, diluting minority shares, or misusing company assets will be very detrimental to minority shareholders. Therefore, this research aims to determine the form of protection against abuse of rights by majority shareholders in family-owned companies in Indonesia and analyze what cases have occurred related to abuse of rights by majority shareholders in family-owned companies in Indonesian courts. This research is normative legal research that uses three approaches, namely conceptual, statutory, and case study approaches. The result of this research is that to prevent abusive behavior by the majority, the UUPT provides various legal remedies for minority shareholders to protect their interests from the actions of majority shareholders. Despite all the legal remedies available, there are some weaknesses found in asserting the interests of minority shareholders and Indonesian Companies. These weaknesses include the possibility of minority shareholders being undervalued when exercising their appraisal rights and the inability of minority shareholders to file lawsuits on behalf of Perusahaan Indonesia against majority shareholders. An examination of two court decisions shows that courts tend to rule in favor of minority shareholders' interests. However, the courts do not always hand down the same rulings as what the minority shareholders are challenging