
Led by Paul Marquardt in Washington DC, the team at Davis Polk & Wardwell LLP is well-equipped to advise on the CFIUS aspects of complex, cross-border transactions. It leverages the firm’s wider M&A practice and is closely integrated with the firm’s established China practice. The group’s client base includes financial institutions and companies operating in the energy, pharmaceutical, aerospace and defense, and semiconductors sectors. Marquardt has long-standing expertise guiding companies through CFIUS reviews. Ben Joseloff joined in 2026, bringing with him prior government experience, and a focus on CFIUS aspects of cross-border transactions.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Key clients
- Inner Mongolia Yitai Group Co., Ltd.
- Aerostar Airport Holdings LLC
- Tencent Holdings Ltd.
- Goldman Sachs Merchant Banking
- TPG
- Quanta Computer, Inc.
- Nidec Corporation
- Morrison Express Holding Corporation
- ASMedia Technology, Inc.
- The Shyft Group, Inc.
- Altair Engineering
- Arcadium Lithium
Work highlights
Advised on CFIUS matters in Tencent Holdings Ltd's €1.16 billion investment in a new subsidiary of Ubisoft Entertainment S.A and other transactions.
Obtained CFIUS approval for the $10.6 billion acquisition of a simulation software, artificial intelligence, high-performance computing, and data analytics solutions company, Altair Engineering, by Siemens AG.
Obtained CFIUS approval for the $6.7 billion acquisition of Arcadium Lithium by Rio Tinto.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Paul Marquardt
Other key lawyers
Benjamin Joseloff
