dilution
dy-LOO-shun
/daɪˈluː.ʃən/
The weakening of a famous trademark's distinctiveness or prestige, regardless of whether direct consumer confusion occurs.
Applies strictly to famous marks when used on unrelated products (e.g., selling 'Rolex' brand hammer handles).
The story behind the word. From Latin 'diluere', meaning 'to wash away or dissolve'. In legal terms, it describes 'watering down' the distinct commercial power of a famous mark.
Word relationships
- weakening: Weakening is general; dilution is a specific legal concept protecting famous marks from loss of distinctiveness.
- impairment: Impairment implies damage or reduction in quality, whereas dilution specifically means reducing distinctiveness.
- strengthening: Enhancing or fortifying brand distinctiveness and market clarity.
Commonly confused with
- infringement: Infringement requires likelihood of consumer confusion; dilution occurs when a mark's unique prestige is eroded even without confusion.
Word family
- dilute (verb): To weaken the strength or distinctiveness of something.
- diluted (adjective): Made weaker or less distinct.
Collocations
- trademark dilution
- dilution by blurring
- dilution by tarnishment
- prevent dilution
Example sentences
- "The court ruled that using a famous luxury mark on low-quality household items constituted trademark dilution." Trademark law monograph
- "Licensing our brand name too broadly risks brand dilution and damages our premium reputation." Brand strategy document
Memory hook
DILUTION DILUTES (waters down) the power of a famous brand name. DILUTION = Watering down brand uniqueness.
When not to use
Do not confuse trademark dilution with direct trademark infringement where consumers are tricked into buying fake goods.
Fun facts
- Under US federal law (FTDA), dilution claims are divided into 'blurring' (reducing uniqueness) and 'tarnishment' (harming reputation).
Related words
Explore more words
Depreciation, prestige, Conglomerate, degradation, irrelevant, intellectual property
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