MARYANNE KAMAU advises companies, trade associations, and governments on international and EU trade and investment law matters, including market access, investment screening, trade controls (economic sanctions and export controls), and dispute settlement.
In particular, Maryanne’s practice is tailored to helping clients navigate the intricate web of rules and maximize opportunities as they bring products and services to the market. She regularly assists clients mitigate risks arising from investment screening, trade controls, and subsidy controls reviews in the context of complex international transactions. Most recently, Maryanne has been advising on Russia-related sanctions.
In addition, Maryanne advises clients on EU environmental and climate action measures that introduce compliance obligations and impact market access, including, for example, EU product and chemical regulations, vehicle emissions regulations, and the unfolding regulatory initiatives covered by the European Green Deal, such as the Carbon Border Adjustment Mechanism and the Batteries Regulation. She also assists clients develop regulatory compliance strategies for EU environmental, product regulation, and supply chain due diligence issues.
Maryanne regularly speaks at international conferences and webinars and has also published in academic journals and books on various legal issues central to her practice.
Managing Associate
Maryanne W. Kamau
- Environmental
- Global Arbitration, Trade and Advocacy
Experience
- Representative Matters
- Pro Bono
- Memberships and Activities
Recent experience includes advising:
- Siris Capital Group in the foreign direct investment screening aspects of its US$591 Million Sale of Fiery.
- International Game Technology PLC on the ex-US FDI aspects of the spinoff of its Global Gaming and PlayDigital businesses in a deal valued at approximately US$6.2 billion.
- ShoreView Industries in Its Sale of Portfolio Company Avidity Science.
- The African Union before the International Tribunal for the Law of the Sea (ITLOS), in an advisory proceeding concerning climate change and its effects on the marine environment.
- Airbus, standing behind the European Union in the landmark Boeing-Airbus “large civil aircraft” subsidy disputes, which are the biggest and longest-running dispute in the WTO’s history.
- Confluence Technologies, Inc. in its US$500 million acquisition of Investment Metrics, a major provider of investment data, performance, analytics, and research software solutions.
- KKR on its majority acquisition of Biosynth Carbosynth, a Swiss life sciences reagents and custom synthesis and manufacturing services company.
- nThrive, Inc., a leading healthcare revenue cycle management software-as-a-service platform backed by Clearlake Capital Group, L.P., in its US$1.74 billion acquisition of TransUnion Healthcare from TransUnion.
A keen advocate, Maryanne actively participates in Sidley’s pro bono practice through the firm’s Trade for Development Initiative and Emerging Enterprises Pro Bono Program, which provide free legal support to small- and medium-size for-profit enterprises, market-focused non-governmental organizations, least developed and low-income developing countries, and trade associations, in areas related to trade and investment.
- International Bar Association (African Regional Forum and International Trade and Customs Law Committee)
Capabilities
SERVICES AND INDUSTRIES
- Automotive and Mobility
- Environmental
- Global Arbitration, Trade and Advocacy
- Anti-dumping, Countervailing Duties and Trade Remedies
- Climate Change
- Customs
- Economic Sanctions
- EU Environmental
- EU Law and Regulation
- EU Litigation and Appellate
- Export Controls/Anti-Boycott
- Global Policy and Advocacy
- International Intellectual Property
- Investment Screening
- Market Access and Regulatory Barriers
- National and Economic Security
- WTO Disputes
News & Insights
Credentials
Admissions & Certifications
- Advocate of the High Court of Kenya
- Associated Member of the Brussels Bar – B list
Education
- King's College London, Postgraduate Diploma in European Union Law, 2019
- University of Barcelona, LL.M in International Economic Law and Policy, 2017
- King's College London, Master in European Union Law, 2020
Languages
- English
- Kiswahili