These rights can include copyright or non-conventional trademark.
[2][3][4] The case was a claim of French cosmetics company, Lancôme, on the property of the scent of its perfume Trésor against the version of such fragance done by the Dutch firm Kecofa.
[2] The Dutch High court granted the protection given that scent as long as it is perceptible and original.
[5] WIPO has collected information on the use of registration of the such called "Olfactory marks" as a tendency among national offices of trademark.
[6] In the United States, Hasbro has a trademark for the smell of Play-Doh.