Overview

• Germany’s Landgericht Stuttgart confirms the suit was filed at the end of July and has scheduled the first oral hearing for 18 November 2025.
• Ritter Sport seeks to stop production, marketing and sales of the square-packaged bars, plus disclosure on use, a damages finding and a product recall.
• The chocolate maker says it must defend its three-dimensional mark, which the Federal Court of Justice upheld in 2020.
• Wacker has sold the “Monnemer Quadrat Bio” since November 2024 after receiving a warning in January, and its founder says the small firm cannot fund a lengthy legal fight.
• The Mannheim company says the bar pays tribute to the city’s grid layout, while Ritter Sport argues the square shape and use of “Quadrat” intensify a trademark collision for goods viewed as similar.