Cartels 2025

PORTUGAL Law and Practice Contributed by: Armando Martins Ferreira, Inês Sequeira Mendes and Margarida Calixto Kolmer, Abreu Advogados

2.9 Arguments Against Enforcement Actions At the start of an investigation, the defence counsel can seek to challenge the initiation of the investigation by questioning the sufficiency of the evidence or the legal basis for the inves - tigation. If the PCA has limited or insufficient evidence to support the suspicion of a cartel, defence coun - sel can argue that there is no valid ground for proceeding with the investigation. They might raise arguments about the lack of an economic rationale for the alleged cartel or highlight that the business practices under investigation do not meet the thresholds for anti-competitive conduct. During a dawn raid or when responding to an information request, defence counsel can chal - lenge the scope or legality of the investigation. For example, if they believe that the PCA is requesting documents or access to information that is irrelevant to the investigation, is overly broad, or violates confidentiality rights, counsel can raise these concerns with the PCA. In some cases, they may request judicial review of the legality of the search warrant or seizure. Counsel can also ensure that the procedures followed by the PCA are in accordance with legal standards, thereby protecting the rights of the subject or target. After gathering evidence, the PCA will issue a Statement of Objections (SO), which formally outlines the charges against the company or individual. This is a critical stage where defence counsel has an opportunity to raise legal and factual arguments in defence of the client. The SO provides the basis for the PCA’s reasoning, and defence counsel can argue against the inter - pretation of the evidence, challenge the legal

When responding to requests for information or during dawn raids, companies can flag certain documents or data as confidential or proprietary. This could include trade secrets, sensitive busi - ness strategies, or other information that, if dis - closed, could harm the company’s competitive position. The PCA is obligated to respect confidentiality and must ensure that proprietary or confidential information is handled appropriately through - out the investigation. There are mechanisms in place to protect this type of information, such as sealing documents or providing access only to authorised personnel. In some cases, the PCA may agree to limit access to specific documents to protect sensi - tive information, especially when the information has no relevance to the investigation or is unre - lated to the alleged anti-competitive behaviour. Protection of confidential information extends beyond just the subject of enforcement action. Third parties and witnesses who provide infor - mation to the PCA can also request confidential - ity for their submissions. If, for example, a wit - ness provides testimony or documents, they can request that their identity or certain aspects of their testimony be kept confidential. The PCA is typically sensitive to such requests, especially if the disclosure of this information could endan - ger the witness’s safety or put them at risk of retaliation. However, there are limits to this protection. The PCA can decide, based on the nature of the information and public interest, whether it should remain confidential. In some cases, the PCA might disclose confidential information if it is necessary for the purposes of the investiga - tion or legal proceedings.

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