What Nestlé's attempt to trademark the shape of a KitKat teaches us about design

The concept of “affordances” is used by product designers to capture the sense that an object seems to call for certain kinds of use. A handle affords holding, a button pressing and a KitKat breaking.

Kit Kat Was Unable to Trademark the Four-Fingered Candy Bar Shape

KitKat lost its trade mark case: what you need to know

Nestlé left with four-fingered problem in quest for Kit Kat trademark, Nestlé

Nestlé loses high court battle to trademark shape of KitKat, Nestlé

Candy Bars Make Trademark News Yet Again

Cadbury's are free to make their own version of one of Nestlé's most iconic chocolate bars

chocolate – The British Candy Connoisseur

Kit Kat Trademark and Copyright Law

What Nestlé's attempt to trademark the shape of a KitKat teaches us about design

From Toblerone to Kit Kat, why the shape of your chocolate bar matters more than you think