To print this article, all you need is to be registered or login on Mondaq.com. With antitrust enforcement of the technology sector making headlines daily, and as lawmakers focus on strengthening and potentially reforming antitrust laws as a tool to regulate the tech industry, we anticipate a significant increase in scrutiny by US federal antitrust authorities of vertical mergers, 1 including merger of complements and so-called "diagonal mergers" in the technology sector. Notwithstanding the current challenges of vertical merger enforcement, 2 on June 30, 2020, the Federal Trade Commission ("FTC") and the Department of Justice ("DOJ") issued guidelines (the "Vertical Merger Guidelines") 3 describing the