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ARTICLE · 03 DECEMBER 2025

The Curious Case Of Sumitomo's Signature Scent

Introduction: Among the various categories of trademarks available to businesses, a select few are classified as "unconventional marks."

IndiaIntellectual Property

Introduction: Among the various categories of trademarks available to businesses, a select few are classified as "unconventional marks." These include marks based on sound (such as advertisement jingles), shape, colour, and even smell. Securing registration for such marks has historically been challenging, primarily due to difficulties in representation and the stringent distinctiveness criteria they must satisfy.

For certain businesses, a distinctive scent, much like taste can leave a lasting impression on consumers. In such cases, smell has the potential to function as a source identifier, helping differentiate one business from its competitors. Traditionally, in India, smell marks have not been granted registration due to legal and practical limitations. However, in a significant recent development, one smell mark has been accepted by the Indian Trade Marks Registry.

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