Home Antitrust Chronicle 2019 Spring 2019, Volume 3, Number 2

Spring 2019, Volume 3, Number 2

JUNE-2019-3-2

Ohio v. American Express: A Year Later…

On June 25, 2018, the Supreme Court sided in a 5-4 decision with American Express in a lawsuit over rules it imposes on merchants who accept its cards. The Supreme Court’s decision in Ohio v. American Express addressed a number of important issues concerning multisided platforms: for instance, whether each side of a platform is a separate relevant product market and whether a prima facie assessment of competitive harm must incorporate the impact to consumers on all sides of a platform.

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June 2019 - I

May 2019 - II

May 2019 - I

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