Law Commons^™

An Alternate Functionality Reality, Harold R. Weinberg

Law Faculty Scholarly Articles

Trade dress law does not protect the appearance of a product design feature (e.g., a product's configuration) against unauthorized copying if the feature is functional, but may protect the appearance if the feature is nonfunctional. The functionality doctrine is intended to preserve competition in the market for a product incorporating a design feature that allegedly is protected by trade dress law, and to avoid conflicts between trade dress law and patent law. The Supreme Court last addressed the functionality doctrine in TrafFix Devices, Inc. v. Marketing Displays, Inc. The Court intended TrafFix to “choke off” anticompetitive trade dress “strike suits.” …