On September 4, Lowey Dannenberg defeated Defendants' motions to dismiss in Artuso Pastry Foods Corp. v. Packaging Corporation of America, et al., 1:25-cv-08856 (N.D. Ill.). Plaintiff alleges that the largest producers of containerboard, linerboard and containerboard products (including cardboard boxes), colluded to raise prices more than 30% through multiple parallel price increases between 2020 and the present. The case was brought as a class action on behalf of purchasers of containerboard, linerboard, and finished packaging products made therefrom. The case is currently in discovery.

As interim co-lead counsel and a member of the Plaintiffs’ Steering Committee, Lowey represents consumer purchasers of granulated sugar alleging a price fixing and information exchange conspiracy that raised prices of Granulated Sugar between 2019-Present. On October 15, 2025, Judge Blackwell denied the motion to dismiss against the two largest sugar producers in the country, ASR/Domino and United Sugar. The case is currently in discovery.

Lowey, as interim co-lead counsel, represents purchasers of luxury hotel rooms against major hotel chains alleging that they unlawfully shared forward non-public occupancy data to raise prices through a software called Demand360. Plaintiff is currently appealing the court’s order granting Defendants’ motion to dismiss in the Seventh Circuit Court of Appeals.

Lowey Dannenberg, P.C. serves as co-lead counsel on behalf of farmers in a large antitrust class action against Syngenta and Corteva, alleging that their loyalty programs on certain pesticide active ingredients unlawfully raised prices on pesticides sold to American farmers in violation of the Sherman Act.  In 2026, Plaintiffs moved for preliminary approval of an $85 million class action settlement with Corteva.

Lowey Dannenberg serves as Court-appointed sole Lead Counsel in a class action against 10 global financial institutions that allegedly violated the Sherman Act by colluding to fix the prices of debt securities issued by the Mexican Government between 2006 and 2016. Plaintiffs are eight institutional investors that transacted in Mexican government debt, including directly with Defendants. On August 19, 2026, Judge Oetken preliminarily approved an $86.4 million settlement for the remaining six bank defendants.