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CFIUS Law Firm and Lawyer consulting services

CFIUS Practice

With unique and unrivaled capabilities, we help clients
navigate export controls and national security laws.

Unique Value. Led by a lawyer who re-wrote export control laws, including those aspects that affect CFIUS review, we can make a difference through our practical and strategic counsel, as we deeply understand the regulator’s perspective and otherwise opaque agency practices.

Trusted Advisor. We have advised 100+ companies and organizations, from Fortune Global 50 companies to start-ups, on complex and high-stakes issues - including as lawyers of “last resort” to reverse adverse agency decisions.

Thought Leader. We have successfully advocated major regulatory changes, originated novel legal arguments that were successfully used in litigation, and wrote the only guide on preparing effective public comments to proposed rules.

Stagg P.C. advises U.S. and non-U.S. companies and investors on all matters involving the Committee on Foreign Investment in the United States (CFIUS). This includes counseling on potential CFIUS intervention, by identifying risk and whether CFIUS has jurisdiction, to filing a mandatory or voluntary notice. We also develop and negotiate mitigation agreements.

Additionally, the firm has substantial experience in determining whether a company or organization is involved in critical technologies. Stagg P.C. is led by a lawyer who was involved in revising the U.S. Munitions List and Commerce Control, two of the principal areas that affect whether an item is considered a critical technology for CFIUS purposes.

The firm offers clients unique value with a diverse and forward-looking approach that differentiates itself from other practices. In particular, the firm's lawyers and advisors were former national security government regulators. That experience included re-writing the International Traffic in Arms Regulations (ITAR) and the Export Administration Regulations (EAR), including thee U.S. Munitions List and Commerce Control List. As such, our background and perspective helps to guide companies through opaque government procedures and by advancing their interests before the agencies.


Evaluating CFIUS risks for a potential voluntary filing or post-transaction review.


Assist with CFIUS jurisdictional questions, and whether filing is mandatory or voluntary.


Filing mandatory declarations or voluntary notices to CFIUS.


Determining whether the U.S. company is involved in critical technologies.


Developing and negotiating mitigation agreements.

For more information, check out or contact us at (212) 518-4854.

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