GW Law Faculty Publications & Other Works

Document Type

Article

Publication Date

2011

Status

Accepted

Abstract

Trademark dilution is a highly controversial cause of action that has been the subject of hundreds of law review articles, but no significant scientific work. We analyze 60 years of telephone white pages, corporate & LLC naming data, advertisements from the New York Times, Wall Street Journal, and Washington Post, state and federal trademark databases, and all recorded dilution litigation. Our data suggest strongly that famous trademarks are frequently borrowed for use as trade names in services, but almost never as trade marks on products. Given that Congress based anti-dilution legislation on the assumption that uses like Buick Aspirin were common, our conclusions are significant. Our data also show that state federal anti-dilution laws likely have had some effect in the significant decline in brand sharing that we chart. We conclude by examining the still-widespread phenomenon of brand sharing and find that recent psychological studies help explain why the harm allegedly caused by unauthorized sharing (denominated dilution by Congress) is unlikely ever to occur.

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