Antitrust Chronicle® – Ohio v. American Express: A Year Later…
Spring 2019, Volume 3, Number 2
Dear Readers, 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 […]
In this issue
Jun 25, 2019
Jun 25, 2019
Jun 25, 2019
Jun 24, 2019
Jun 24, 2019
In case you missed it...

March
This Chronicle brings together contributions that explore the evolving relationship between industrial policy, competition, regulation & technological change from complementary angles.

February
This month’s TechREG Chronicle focuses on online consumer protection, at a moment when regulators on both sides of the Atlantic are reassessing how legacy consumer-protection frameworks apply in digital, data-driven markets.

January
Tech banking charters have returned to the center of regulatory and strategic debate, driven by the convergence of digital assets, stablecoins, and the maturation of fintech business models.
See more Chronicles by year:
Featured News
Failed Utah AI Bill Highlights Ongoing Conflict Between States and Feds
Apr 20, 2026 by
CPI
Fragmented Data Regulations Challenge Corporate Compliance Teams
Apr 20, 2026 by
CPI
American Airlines Rejects Merger With United, Citing Competition Concerns
Apr 20, 2026 by
CPI
A&O Shearman Expands US Antitrust Practice with Key Partner Hire
Apr 20, 2026 by
CPI
DOJ Launches Criminal Antitrust Probe Into Major Meatpackers Amid Rising Beef Prices
Apr 20, 2026 by
CPI