Choose the perfect synonym or antonym for the word An official document granting the holder exclusive rights to an invention or process.
Patent
/ˈpeɪtnt/Synonyms:
Antonyms:
Examples:
I shall obtain full liberty of action concerning this patent.
It was patent that Brissenden was no outdoor man.
I beg therefore to suggest that the patent be withdrawn altogether.
Etymology:
The word patent comes from the Latin "patere," meaning "to lay open" or "to be accessible." It was adopted into Old French in the 14th century and into Middle English, retaining its sense related to opening or evident rights.
Usage Statistics:
18 mentions per 1 million words 
Hint: Frequency according to COCA
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