It describes Play-Doh’s particular smell as “a unique scent formed through the combination of a sweet, slightly musky, vanilla-like fragrance, with slight overtones of cherry, and the natural smell of a salted, wheat-based dough.”

A container of Play-Doh was sent to the [US Patent and Trademark Office] as part of the application process.

— Smell news I completely missed earlier this year, via The Independent: Toy giant Hasbro is trying to trademark the smell of Play-Doh. Found via Law & Odor: Hasbro Sniffing Out the Opportunities for Trademark Registration at IPWatchDog.