An Indirect Encounter: Outbound Investment Screening and the Quiet Reach of International Investment Law

Author: Yanqin Mao (PhD Candidate, Durham Law School, Durham University)   I. When Commercial Logic Meets Economic Security On 26 March 2026, German multinational BASF inaugurated its Zhanjiang Verbund site in China’s Guangdong province. At roughly €8.7 billion, the integrated chemical complex is the largest single investment in BASF’s more than 160-year history. From the company’s perspective, the commercial logic of…

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Parallel Proceedings at the Intersection of FDI Screening and Investment Arbitration

Authors: Sally Pei (Arnold & Porter) and Joel Dahlquist (Arnold & Porter)    Introduction  States in Europe and beyond are increasingly screening incoming foreign direct investment (“FDI”). When a host State blocks or restricts an investment on security grounds, the affected investor may seek judicial review domestically, initiate investor-state dispute settlement (“ISDS”) proceedings under an applicable investment…

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Navigating Treaty Liability for Conditional Approvals in Foreign Investment Screening

Author: Dean Merriman (Barrister at the Victorian Bar)    I. Imposition of Conditions on Foreign Investment: Anecdotes from Australia  It is well known that domestic investment screening authorities frequently are given the power to approve inbound foreign investments subject to the imposition of certain conditions, including on national security grounds. In Australia, the Foreign Acquisition and…

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Investment Screening Between Discretion and Arbitrariness – Charting the Borderlands

Authors: Steffen Hindelang (CELIS Institute; Uppsala University), Helene Schramm (CELIS Institute) and Liam McGrath (CELIS Institute) Introduction  Foreign investment screening regimes are built on discretion. Screening decisions often turn on assessments of open-ended lists of risks to ‘national security’ – an inherently ambiguous concept (J Benton Heath 2022, p. 295), which is constantly evolving as States adjust to new threats and vulnerabilities (OECD, 2022, p.…

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Disclosure and Confidentiality in Investment Screening

Author: Dorieke Overduin (Sovereign Arbitration Advisors)    Introduction  In order to assess risks posed by foreign direct investments to national security, authorities must understand not only the target business, but also the investor, its ownership structure, sources of financing, governance arrangements, and potential foreign state involvement. As a result, investment screening procedures impose extensive and often highly detailed…

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Legal Standards, Evidentiary Threshold, Transparency and Due Process in the Context of Investment Screening and Investment Disputes

Author: Jonas Hallberg I. Legal Standards and Evidentiary Threshold Security assessments of a prospective investment necessarily involve an assessment of future contingencies; the evidentiary threshold cannot therefore be set unduly high.  The deciding body must collect classified and secret information from its security agencies. Normally this is done in the form of opinions.   Whatever evidentiary…

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Fair and Equitable Investment Screening

Author: Dr. Bálint Kovács (University of Szeged)    Introduction  With the widespread adoption of investment screening by Western states, there is increasing evidence as to the ways in which this tool of economic security is implemented. Investment screening accommodates an important exception to open market principles: the national security imperative. The liberalisation of foreign direct investment…

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EU Sanctions and Investment Arbitration: An Attempt at Moving the Goalposts through Increased Securitisation?

Author: Alexandros Bakos ((Postdoctoral researcher, Hamad Bin Khalifa University, College of Law) Introduction After the Achmea and Komstroy sagas, marking the end of intra-European Union (EU) investor-state arbitration, the Union finds itself again at the centre of some investment arbitration drama. Sanctioned Russian investors are increasingly bringing arbitral claims against the EU and its Member…

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Between Deadlines and Discretion: Timely Decision-Making in Investment Screening

Authors: Xueji Su (University of Macau) and Alessandro Zocchia (University of Macau)    Introduction: The Pocket Veto Phenomenon  Investment screening involves a procedurally layered process involving notification, jurisdictional assessment, inter-agency consultation, risk analysis, possible mitigation negotiations, and final clearance or prohibition. In this setting, time is not a neutral variable. Delay can operate with the same practical force as a formal prohibition:…

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German Administrative Courts Take the Plunge – First Rulings on German Investment Screening Procedures and their Time Frame

Authors: Dr. Roland M. Stein (BLOMSTEIN) and Henriette Wohlschläger (BLOMSTEIN)     Introduction  In light of the prevailing tense global geopolitical climate, investments are no longer regarded exclusively as catalysts for growth and innovation, but instead as potential sources of security risk. As a key instrument for safeguarding national security as well as economic and technological sovereignty, mechanisms for screening foreign direct…

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Shielding Foreign Investment Screening from Challenge under Investment Treaties

Author: Dr. Joshua Paine (University of Bristol)    Introduction  This post considers how States can design international investment agreements (“IIAs”) to prevent foreign investment screening measures from being subject to successful challenge under such treaties. It will demonstrate that there are a wide variety of strategies for insulating investment screening measures from successful challenge under an…

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Post-Establishment Phase: FDI Screening Decisions and the Treatment of Retroactive Measures in Investment Arbitration

Authors: Bart Wasiak (Arnold & Porter Kaye Scholer (UK) LLP) and Naina Gupta (Arnold & Porter Kaye Scholer (UK) LLP)    Introduction  Decisions concerning the screening of foreign direct investments (“FDI”) are often taken at the post-establishment phase—after the foreign investor already has made an investment in the host State—but may have an effect on the validity of the investor’s earlier acquisition or…

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Constraints on the State’s Right to Screen Foreign Investments Prior to Market Entry

Authors: Steffen Hindelang (Uppsala University; CELIS Institute), Helene Schramm (CELIS Institute) and Liam McGrath (CELIS Institute)    Introduction  As a starting point, a State enjoys broad authority to regulate the admission of foreign investment into its territory, including by reviewing, conditioning, or prohibiting a contemplated transaction before it is implemented. This can be motivated by national security considerations or…

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Introducing the CELIS–Arnold & Porter Initiative on Investment Security x Investment Arbitration

Authors: Steffen Hindelang (Uppsala University; CELIS Institute), Helene Schramm (CELIS Institute) and Liam McGrath (CELIS Institute) Most international rules governing foreign investment still breathe the air of the liberal, if not neoliberal era in which they were created. They place particular emphasis on the promotion and protection of foreign-owned property and often enable foreign investors…

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Balancing Economic Security and Investment Protection – The Case of Nexperia and the China–Netherlands BIT

Authors: Steffen Hindelang (CELIS Institute), Liam McGrath (CELIS Institute), Helene Schramm (CELIS Institute) I. Introduction While the European Union and its Member States are still assessing whether to introduce a mechanism to review outbound investment for economic security reasons, the Netherlands appears to be ahead of the policy curve. On 30 September 2025, following reports…

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Investment Screening and the Nexperia Crisis: Would It Have Made a Difference?

Author: Frans-Paul van der Putten (Founder, ChinaGeopolitics) Introduction Five months have passed since the interventions by the Dutch ministry of Economic Affairs and the Enterprise Chamber of the Amsterdam Court of Appeal that took away control of Dutch chipmaker Nexperia from its Chinese parent company Wingtech Technologies. Looking back at what happened, now that the…

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Global Telecom Holding S.A.E. v Canada – Investment arbitration as a potential remedy against negative FDI screening decisions?

By Kilian Wagner, University of Vienna FDI screening and international investment law Bilateral investment treaties (BITs) and specific chapters in free trade agreements include substantive standards of investment protection. These comprise rules on expropriations, national and most-favoured-nation treatment, and the fair and equitable treatment (FET) of investments. Most BITs contain provisions on investor-state dispute settlement…

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