Sectors
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Lindsey P. Zirkle

Associate

Lindsey Zirkle is an associate with Foley & Lardner LLP and a member of the firm’s Government Enforcement Defense & Investigations Practice Group. Her practice encompasses a range of government enforcement matters, including regulatory compliance, internal investigations, and defense against civil and criminal enforcement actions. Lindsey represents companies and individuals in investigations involving the False Claims Act (FCA), the Foreign Corrupt Practices Act (FCPA), and other federal enforcement regimes, including matters led by the U.S. Department of Justice (DOJ). She also represents companies in antidumping investigations and other trade proceedings before the U.S. International Trade Commission (ITC) and the U.S. Department of Commerce (DOC).

Lindsey regularly advises clients on complex international trade and regulatory issues, including dual-use export controls (EAR), arms control regulations (ITAR), and U.S. Customs and Border Protection (CBP) compliance. She also has experience advising clients on securities-related matters, including regulatory inquiries and U.S. Securities and Exchange Commission (SEC) enforcement investigations into alleged securities law violations. In addition, Lindsey has conducted several internal investigations for professional sports leagues, further expanding her experience in sensitive, high-stakes investigative matters.

While in law school, Lindsey worked as a student attorney for the Georgetown Law Domestic Violence Clinic, where she directly represented survivors of domestic violence in Temporary Protection Order and Civil Protection Order proceedings in the District of Columbia Superior Court. She also served as a summer associate in Foley’s Washington, D.C. office.

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July 15, 2026

What Every Multinational Should Know About … The New Customs Enforcement Realities (Part IV): Ten Dubious Tariff-Saving “Opportunities” Every Importer Should Avoid

The Trump administration’s new tariff initiatives are reshaping the customs compliance landscape. Higher tariff rates and new customs requirements are increasing customs bond requirements, new executive actions are signaling a more aggressive enforcement posture, and importers face a growing likelihood of audits, investigations, and other enforcement activity. Together, these developments are creating what may be described as the new customs enforcement reality.
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July 15, 2026

What Every Multinational Should Know About … The New Customs Enforcement Realities (Part III): The Increasing Enforcement Activity of the Department of Justice

The landscape of tariff enforcement is intensifying, creating significant compliance, financial, and operational challenges for importers. We now proceed to analyze the impact of the new focus of the Department of Justice on tariff underpayments, which further increases the risk of importing.
A worker in a safety vest and helmet stands in front of stacked colorful shipping containers, holding a clipboard and inspecting the area—much like lawyers in Chicago carefully review every detail for their clients.
July 15, 2026

What Every Multinational Should Know About … The New Customs Enforcement Realities (Part II): President Trump’s Executive Order Strengthening Customs Enforcement

The landscape of tariff enforcement is intensifying, creating significant compliance, financial, and operational challenges for importers. This article focuses on Customs enforcement, starting with a new executive order focused on “Strengthening Customs Enforcement,” which directs that DHS and CBP undertake a broad overhaul of the rules governing importation into the United States.
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June 24, 2026 Tariff & International Trade Resource

What Every Multinational Should Know About … The Opportunity to Shape the Next Phase of U.S.-China Tariffs

Following the May 2026 meeting between President Trump and President Xi Jinping, the Office of the U.S. Trade Representative (USTR) announced a public comment process intended to help shape the next phase of U.S.-China trade negotiations.
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June 24, 2026 Tariff & International Trade Resource

What Every Multinational Should Know About … The First Use of Economic Sanctions to Target Intellectual Property Theft

Rather than treating trade-secret misappropriation solely as a commercial dispute, the United States is showing a willingness to use economic sanctions — traditionally reserved for threats such as terrorism and proliferation — to deter and punish large-scale IP theft.
June 18, 2026 Tariff & International Trade Resource

What Every Multinational Should Know About … The New Customs Enforcement Realities (Part I): Managing Rising Bond and Collateral Requirements

The Trump Administration's new tariff initiatives are reshaping the importing environment in ways that extend far beyond the tariff rates themselves. Increased duties are driving higher customs bond requirements, new executive actions are signaling a more aggressive enforcement posture, and importers are facing growing pressure to ensure that their compliance programs can withstand heightened scrutiny.