Trademark infringement can be a messy business. Is a toothpaste brand called “Colddate” similar enough to “Colgate” to merit legal action? What about a fried chicken restaurant called “chaLOUISVUI TONDAK” and fashion label “Louis Vuitton”?

Courts around the world often adjudicate these cases by determining whether a “reasonable person” would consider the trademarks similar enough to cause confusion. But similarity – itself a fairly subjective quality – is often measured in ways that are susceptible to manipulation and bias.

One potential way to get around this: brain scans.

Marketing professor Zhihao Zhang of the University of Virginia and his colleagues wondered whether they could capitalize on how the brain suppresses repetitive information to more neutrally determine similarity between trademarks. In other words, it could confirm to a court whether a similar-sounding name really is confusing to a consumer – and thus help determine whether trademark infringement took place.

Their findings both expand the possible applications of neuroimaging in the law, and raise questions about what role neuroscience should play in legal decision-making.

Vivian Lam

Associate Health and Biomedicine Editor, The Conversation U.S.

A less biased way to determine trademark infringement? Asking the brain directly

Zhihao Zhang, University of Virginia

How do you determine whether one brand is similar enough to another to infringe on its trademark? Researchers propose that comparing brain scans could be an option.

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