 In the 1970s, aboriginal rights were declared to be property rights, as protected by the Federal Constitution.Decisions in the 1970s and 1980s blocked state-sanctioned logging on customary land.In 1997, Mokhtar Sidin JCA of the Jahore High Court became the first Malaysian judge to acknowledge common law aboriginal title in "Adong bin Kuwau v. Kerajaan Negeri Johor".