This story was originally published on Packaging Dive. To receive daily news and insights, subscribe to our free daily Packaging Dive newsletter. Both containerboard production and box shipments fell in the third quarter, while operating rates and inventories ticked up, according to the American Forest & Paper Association’s quarterly data report released Oct. 31. This aligns with trends major producers discussed during Q3 earnings calls, which signal challenging market conditions. Containerboard producti ...

Core Viewpoint - The class-action lawsuit against major containerboard manufacturers alleges price-fixing and market manipulation, claiming a coordinated effort to inflate prices by approximately 30% since late 2020 [2][3][4]. Group 1: Lawsuit Details - The lawsuit was initiated by Artuso Pastry Foods Corp. in July 2025, naming eight major containerboard manufacturers as defendants [1]. - Graphic Packaging International was voluntarily dismissed from the case on 25 September 2025, leaving seven defendants accused of conspiring to raise prices [2][5]. - The plaintiffs allege that the defendants engaged in coordinated price increases through seven hikes from November 2020 to the present, despite weak demand [3]. Group 2: Antitrust Allegations - The lawsuit claims that the actions of the defendants constitute a violation of U.S. antitrust laws, suggesting they operated as a "cartel" to manipulate market prices [4]. - Over 85% of the U.S. containerboard market is reportedly controlled by a small number of companies, which may facilitate collusive behavior [4]. Group 3: Industry Response and Legal Proceedings - Most defendants have not publicly commented on the litigation, but Georgia-Pacific has denied the claims, asserting they are without merit [5]. - The case is set to proceed against the remaining companies, with a status update required by 17 December 2025 [6]. - Plaintiffs are seeking treble damages, which could lead to settlements or increased scrutiny of pricing practices in the sector [6]. Group 4: Market Implications - The ongoing litigation has significant implications for the broader containerboard market, potentially affecting pricing and market stability [7].