Arnold & Porter Kaye Scholer

When Arnold & Porter merged with Kaye Scholer, it marked one of largest law firm tie-ups of the past decade - and one of the most significant combinations of antitrust practices in the recent history of Big Law, particularly in the US.

A&P’s well-regarded Washington, DC-based team joined up with Kaye Scholer’s strong presence in New York. As of 1 January 2017, the merged firm totaled more than 100 competition lawyers, including more than 50 partners. The practice appeared ready to compete for the most significant antitrust matters in the country.

That merger appeared prudent even while some of the firm’s top talent was in government. Former A&P partners Bill Baer, Deborah Feinstein and Sonia Pfaffenroth had left the practice in 2013 to serve in senior leadership positions at the US antitrust agencies during the second term of the Obama Administration. They all returned to the now-merged firm in 2017; no antitrust group has been as well-served by the revolving door between the government during the Obama years and private practice as Arnold & Porter.

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