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.
Nestlé's KitKat trademark fails in the General Court of EU
Nestle's Fight to Trademark the Kit Kat Bar
Nestle's Fight to Trademark the Kit Kat Bar
NEHA V KUMAR posted on LinkedIn
Kit Kats Have A Surprising Ingredient In Their Filling, 42% OFF
Kit Kats Have A Surprising Ingredient In Their Filling, 42% OFF
What Nestlé's attempt to trademark the shape of a KitKat teaches us about design
Kit Kat case: No break for Nestlé in trademark row
KitKat foiled again in attempt to trademark four-fingered bar's shape, Nestlé
There's Only One Way to Eat a KitKat, and It's Not Like This
Nestlé KitKat shape trademark fails as Cadbury appeal allowed
Nestlé v Petra Foods, 2016 Trademark Lawsuit Case Study
Nestle's Fight to Trademark the Kit Kat Bar
Science + Tech – Articles, Analysis, Comment – The Conversation – page 96