Brazil's Tribunal Superior Eleitoral (TSE) is reviewing a decision to suspend a presidential voting intentions poll conducted by the AtlasIntel institute [1].

The case centers on the integrity of electoral data and the legal boundaries of polling methodology. If the court upholds the suspension, it could set a precedent for how political figures challenge public opinion data based on questionnaire design.

The review follows a decision by TSE President Minister Kassio Nunes Marques to halt the publication of the poll [1]. This action was triggered by a complaint from Senator Flávio Bolsonaro, who said the survey's methodology was flawed [1].

According to court documents, the dispute involves a questionnaire that included specific questions and audio clips regarding the Daniel Vorcaro case and the financing of the film "Dark Horse" [1], [4]. Bolsonaro said these elements were designed to induce respondents and bias the results [1], [4].

The legal proceedings took place in Brasília on Tuesday, June 9, 2026 [1], [2]. While some reports indicated the judgment was occurring that day, other accounts suggested the decision may have been postponed to allow for further dialogue with research institutes [2], [3].

As part of the process, technical documentation regarding the poll's methodology must be presented within two days [5]. The TSE is tasked with determining if the AtlasIntel survey violated electoral rules by leading participants toward specific answers, a move that could invalidate the data and lead to sanctions for the institute [1], [3].

“The TSE is reviewing a decision to suspend a presidential voting intentions poll conducted by the AtlasIntel institute.”

This legal challenge highlights the increasing tension between independent data collection and political oversight in Brazil. By scrutinizing the specific wording and audio used in polls, the TSE is defining the threshold for 'induced' responses, which could make polling firms more cautious in how they frame controversial political scandals to respondents.