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Option 3 : Patent
The correct word is 'Patent.' ‘Patent’ is the exclusive right granted to an inventor to manufacture, use, or sell an invention for a certain number of years.
Monopoly: the exclusive possession or control of the supply of or trade in a commodity or service.
Hegemony: leadership or dominance, especially by one state or social group over others.
Copyright: the exclusive and assignable legal right, given to the originator for a fixed number of years, to print, publish, perform, film, or record literary, artistic, or musical material.
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