Update, 3/29/14, 5:10 p.m. EDT: This story has been updated to reflect that jurors returned a mixed verdict. Reynolds Consumer Products Inc. prevailed on a claim that Handi-Foil engaged in willful trade dress infringement, but it lost on other claims, including trademark infringement and trademark dilution.

In a rare jury trial over claims of trade dress infringement, Reynolds Consumer Products won a verdict that competitor Handi-Foil Corp. willfully infringed its well-known aluminum foil packaging.