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Analysis 2026-04-06 11 min

Dispute settlement clause: why state-to-state arbitration doesn't protect your investment

Alessandro Brenci

Attorney at law, international trade law expert

Dispute settlement clause: why state-to-state arbitration doesn't protect your investment
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Dispute settlement in the EU-MERCOSUR agreement: mechanisms and strategies for businesses\n\nThe trade agreement between the European Union (EU) and MERCOSUR does not just reduce tariff barriers; it also puts in place a sophisticated legal framework for dispute settlement. For businesses operating in this new free trade area, understanding the subtleties of this mechanism is essential to protect their investments and ensure that their rights are respected. This article details the dispute settlement mechanisms and proposes practical strategies for businesses.\n\n### The State-to-State dispute settlement mechanism\n\nThe main dispute settlement mechanism in the agreement is a State-to-State dispute settlement system, which takes place in three stages:\n\n1. **Consultations:** When a dispute arises, the first step is for the States concerned to enter into formal consultations. The aim is to reach a mutually satisfactory solution within 30 days (or 15 days in cases of urgency).\n\n2. **Panel procedure:** If the consultations fail, the complaining party may request the establishment of an arbitration panel. This panel is composed of three independent arbitrators chosen by the parties. The panel examines the arguments of both parties and issues a final report within 120 days. This report is legally binding.\n\n3. **Compliance and retaliatory measures:** The losing party must comply with the panel's decision. If it fails to do so within a reasonable period of time, the winning party may impose retaliatory measures, such as the suspension of trade concessions of an amount equivalent to the damage suffered.\n\n### Strategies for businesses\n\nAlthough the dispute settlement mechanism is of an interstate nature, businesses have a crucial role to play before and after the procedure.\n\n* **Documentation and monitoring:** Businesses must meticulously document any damage suffered as a result of an alleged breach of the agreement by a MERCOSUR country or by the EU. This includes collecting evidence, assessing financial losses and identifying the specific provisions of the agreement that have been breached.\n\n* **Lobbying and communication:** Businesses must proactively communicate with their national governments and EU authorities to inform them of the dispute and encourage them to take action. The presentation of a solid and well-documented case is essential to convince the authorities to initiate a dispute settlement procedure.\n\n* **Use of complaint mechanisms:** The EU has formal complaint mechanisms, such as the Single Entry Point (SEP), which allow businesses to report trade barriers and request action from the European Commission.\n\n* **Exploring national remedies:** In parallel with the mechanisms of the agreement, businesses can also explore the remedies available in the national courts of the country concerned.\n\n### The special case of investment protection\n\nThe EU-MERCOSUR agreement does not contain a traditional investor-State dispute settlement (ISDS) mechanism. Instead, it is planned to set up an Investment Court System (ICS), with a first instance tribunal and an appeal tribunal. This system aims to ensure greater transparency, independence and predictability in the settlement of investment disputes.\n\nFor businesses, this means that they will have to closely monitor the implementation of this new system and understand how it will interact with the existing bilateral investment treaties (BITs) between EU member states and MERCOSUR countries.\n\n### Key takeaways\n\n* **Proactivity is key:** Businesses should not wait for disputes to escalate. Early and well-prepared action is the key to success.\n\n* **Collaboration is crucial:** Working closely with trade associations, specialised law firms and government authorities can significantly strengthen a company's position.\n\n* **A multi-pronged approach:** Combining the mechanisms of the agreement with national remedies and political lobbying can prove to be the most effective strategy.\n\nBy mastering the dispute settlement mechanisms of the EU-MERCOSUR agreement, businesses can not only defend themselves against unfair trade practices, but also help to shape a more stable and predictable trade environment for all players.

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