White & Case (Washington)

Heather Greenfield

White & Case (Washington)
Lawyer (Associate)

Heather Greenfield is an associate in the Global Competition Practice of White & Case. Ms. Greenfield’s areas of focus include government merger and non-merger investigations, counseling on antitrust issues, and antitrust litigation. From 2013-2014, Ms. Greenfield served as a law clerk for the Honorable Jane R. Roth of the United States Court of Appeals for the Third Circuit.

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721 Bulletin

Mark J. Gidley, George Paul, Rebecca H. Farrington, Martin M. Toto, Heather Greenfield, Daniel Rosenthal, Naari Ha The US FTC announces annual changes to the Hart-Scott-Rodino Act notification thresholds


On January 21, 2022, the Federal Trade Commission (FTC) announced the annual changes to the Hart-Scott-Rodino (HSR) Act notification thresholds. The FTC is required by law to revise the jurisdictional thresholds annually, based on the change in gross national product. Accordingly, the 2022 (...)

Heather Greenfield, Mark D. Powell, Nicholas Putz, George Paul, Rebecca H. Farrington, Axel P. Schulz, Jan Jeram The US DoJ and FTC implement policies in response to COVID-19 including new measures to the HSR e-filing system


Last week, in response to the outbreak of the Coronavirus disease (COVID-19), the antitrust agencies in the United States and European Union issued policies that will affect, and may delay, merger filings and reviews. On March 13, 2020, the US Department of Justice (“DOJ”) and Federal Trade (...)

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