Cheese Sys., Inc. v. Tetra Pak Cheese & Powder Sys., Inc., No. 12-1463 (Fed. Cir. 2013)Annotate this Case
Tetra Pak’s patent involves commercial cheese-making vats. The district court granted summary judgment, holding that CSI infringed under the doctrine of equivalents and had not proven the patent invalid, and entered a permanent injunction against CSI. The Federal Circuit affirmed.