United States

Selection, clearance and registration processes for pharmaceutical trademarks are unique due to safety concerns and the chemical nature of the products. Apharmaceutical trademark must avoid confusion with the chemical and generic names of the drug. To market apharmaceutical product in the United States, a US adopted name (USAN) – a generic nonproprietary name – mustfirst be obtained. Existing USAN stems that describe thesubstance, its action or its use should be employed. The USAN is reviewed by the World Health Organisation(WHO) to ensure international harmonisation. The WHO alsoassigns a unique, international nonproprietary name (INN), which is typically identical to the USAN.

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