I was always amused by the smell/scent of Hasbro Play-Doh while my kids playing with them. On 15th May 2018,  Hasbro gets U.S. trade mark Reg. No. 5,467,089 for the particular smell of Play-doh brand modeling compound for " a scent of a sweet, slightly musky, vanilla fragrance, with slight overtones of cherry, combined with the smell of a salted, wheat-based dough". The Trademark Registration has gained significance since it is one of the non-conventional trademark being scent that is granted in recent years by United States Patent and Trademark office (USPTO). Other important aspect of the Trademark Registered in  International Class 28 for "Toy Modeling Compounds".  Hasbro also claimed that it is in the market since 12th September 1955 and recorded the same as first usage of the scent in the market. Our sources reveal that the present Registration of Scent Mark is one of 13 Active Registrations for Scent marks from USPTO. The recent R