Rachel Siegel

The Washington Post

Sweet, slightly musky.

Vanilla-like.

Slight overtones of cherry.

Natural smell of a salted, wheat-based dough.

Behold, Play-Doh. Behold, childhood.

Behold, the newest trademarked scent.

Hasbro became the latest company inducted into the small club of brands with a scent registered by the United States Patent and Trademark Office.

As of Friday, the Play-Doh scent trademark is one of 13 active registrations, according to a spokesman from the patent and trademark office, joining the ranks of a strawberry-scented toothbrush and ukuleles that come with a whiff of piña colada.

Invented in 1956, Play-Doh has wedged its way into children’s fingernails and living room carpets ever since. Now, the company has convinced the U.S. trademark office that consumers across the country specifically link the Play-Doh smell to Hasbro’s neon modeling clay.

That alone is a squishy feat.

“The law tries to make it relatively difficult,” said Polk Wagner, an expert on intellectual property law at the University of Pennsylvania Law School. “Not everybody can say they have the world’s most distinctive scent.”

According to the patent and trademark office, scents that serve a utilitarian purpose — like the scent of perfume or an air freshener — serve a function and cannot be registered as trademarks. The guidelines note that the “amount of evidence required to establish that a scent or fragrance functions as a mark is substantial.”

As for patents, scents can be patented and generally fall into categories for cleaning and perfume compositions.

Scents, colors and sounds — like the NBC chime — can be trademarked, so long as the companies or individuals behind them can prove that consumers have strong associations with them. Companies can provide surveys and studies demonstrating how consumers link certain smells or sounds with a particular product. Still, trademarks like logos or images — like the Nike swoosh — might carry those ties more obviously, Wagner said.

According to the patent and trademark office, other active trademarks for scents, smells, odors and fragrances include the “flowery musk scent” used in Verizon stores and a bubble gum scent used for shoes and flip-flops by the retailer Grendene. Cherry, grape and strawberry scents were trademarked for lubricants used for land and water vehicles by Manhattan Oil. And jewelry company Le Vian trademarked a chocolate scent for its stores.

Wagner said Hasbro’s trademark could be used to cut down confusion for consumers if other companies or individuals make products with a scent similar to Play-Doh’s.

Before the scent’s trademark, Hasbro debuted a Play-Doh fragrance in 2006 for the toy’s 50th birthday. The “eau de Play-Doh” rolled out just before Mother’s Day and came in a clear, 1-ounce spray bottle.

But not all one-time toddlers could get behind the Play-Doh scent.

In the words of one Twitter user, “Who ever thought it was a good idea to trademark Play-Doh scent must have eaten too much of it as a kid.”

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