Jones Day (Washington)

Aimee DeFilippo

Jones Day (Washington)

Aimee DeFilippo has more than a decade of experience practicing antitrust law, focusing on mergers and acquisitions, counseling, compliance, and nonmerger investigations. She has represented clients before the U.S. Department of Justice, Federal Trade Commission, and state attorneys general and has experience across numerous industries including health care, pharmaceuticals, power, consumer products, agriculture, airlines, communications, and more. Aimee has worked to secure clearances in numerous complex transactions and has steered clients through high-profile government investigations. She also regularly advises clients on antitrust issues involving competitor collaborations, distribution and pricing arrangements, and information sharing.


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978 Bulletin

Tiffany D. Lipscomb-Jackson, Aimee DeFilippo, Debra R. Belott, Larissa C. Bergin, Thilini Chandrasekera, Amanda Vaughn The US Senate introduces proposed antitrust reform legislation titled the Competition and Antitrust Law Enforcement Reform Act of 2021 (CALERA)


This article has been nominated for the 2022 Antitrust Writing Awards. Click here to learn more about the Antitrust Writing Awards Antitrust reform has become a popular topic in the halls of Congress, academia, and even some (socially distant) gatherings. The topic has slowly picked up pace (...)

Catherine E. Livingston, James Lenahan Poth, Aimee DeFilippo, Kenneth W. Field, Michael A. Gleason, Lisa Han, David Kiernan, Margaret A. Ward The US Congress passes the Competitive Health Insurance Reform Act limiting the antitrust exemption available to companies under the McCarran-Ferguson Act


In Short The Development: Congress unanimously passed and before leaving office, President Trump signed into law, the Competitive Health Insurance Reform Act ("CHIRA"). CHIRA limits application of the McCarran-Ferguson Act, an exemption from the federal antitrust laws, as it relates to the (...)

Kenneth W. Field, Aimee DeFilippo, Kristie Xian, Michael A. Gleason The US Court of Appeals for the Eighth Circuit upholds an injunction against a proposed acquisition of a hospital on the grounds that it would lead to near-monopolisation in four different markets (Sanford Health / Sanford Bismarck / Mid Dakota Clinic)


In a decision that extends the FTC’s winning streak in the courts of appeals in healthcare provider merger cases, the Eighth Circuit affirmed the Federal Trade Commission’s ("FTC") bid to enjoin Sanford Health’s acquisition of Mid Dakota Clinic ("MDC"). This decision follows almost three years of (...)

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