Last Updated on January 28, 2026
Brazil’s Supreme Federal Court struck down for a second time the controversial marco temporal (time-limit) doctrine that restricted Indigenous land rights beyond the date of Brazil’s 1988 Constitution.
The case centered on challenges to Law 14.701/2023, passed by Congress after the court’s first rejection of the doctrine in 2023. That legislation had revived marco temporal while tightening procedures governing Indigenous land demarcation. President Luiz Inácio Lula da Silva vetoed parts of the bill, but lawmakers later overrode those vetoes, prompting renewed constitutional scrutiny and legal challenges.
Justice Gilmar Mendes, the rapporteur in the case, wrote in his majority opinion that relying on a fixed historical date as a criteria for territorial rights placed an undue burden on Indigenous communities, many of which were forcibly removed from their ancestral lands long before 1988. He said the doctrine was inconsistent with the Constitution’s recognition that Indigenous land rights are originárias (original), existing prior to and independent of the state.
Brazil’s 1988 Constitution, in Articles 231 and 232, recognizes Indigenous peoples’ traditional rights to the lands they occupy and obligates the federal government to demarcate and protect those territories. According to official figures, Indigenous territories currently cover more than 13 percent of Brazil’s land mass, though thousands of claims remain unresolved.
The Supreme Court’s decision restores the primacy of constitutional protections against legislative and political efforts to impose temporal limitations on Indigenous land claims. Legal experts say the ruling underscores that Indigenous rights in Brazil are not subject to arbitrary deadlines and are deeply rooted in constitutional and human-rights principles.
But uncertainty persists. Legal analysts and Indigenous rights groups caution that while the marco temporal doctrine has again been struck down, other provisions of Law 14.701 may continue to shape land-demarcation processes in ways that Indigenous advocates view as problematic.
For instance, under Law 14.701, federal authorities may still be required to compensate non-Indigenous occupants for land improvements made in good faith, a provision that could slow demarcation by increasing costs and encouraging legal disputes. This could, in effect, turn constitutionally guaranteed land rights into negotiated settlements.
The law also expands opportunities for state governments, municipalities and private landholders to challenge demarcation studies at multiple stages of the administrative process. Those expanded appeals could prolong proceedings for years, reinforcing a backlog that already leaves hundreds of territories awaiting final recognition.
Another contested provision permits economic activities — including mining, energy projects and large-scale infrastructure — to move forward on Indigenous lands under certain conditions, even before final demarcation is complete.
Law 14.701 further authorizes the federal government to review and potentially revise previously demarcated territories, a measure that opens the door to renewed land disputes.
Brazil’s Indigenous peoples and their allies have said the remaining sections of the law continue to conflict with constitutional guarantees and international agreements ratified by Brazil, including International Labour Organization Convention 169, which affirms Indigenous peoples’ right to Free, Prior and Informed Consent (FPIC).
Legal challenges to those provisions are ongoing, and the Supreme Court is expected to rule in future cases on whether additional sections of Law 14.701 comply with constitutional protections for Indigenous land rights.
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